Month: February 2017 (page 1 of 8)

Security Electronic PCB Plant Positioned in China



For more information, pls contact me:

Sophie
Skype:wanqijixie
Mail:wanqi10@cwqjx.com
Mob/Whatsapp/Wechat/Viber: 86-13838134483
Tel:86-0371-86596711 Fax:86-0371-86596700
Web:http://wqjx.en.alibaba.com
Zhengzhou City Wanqi Mechanical Equipment Co., Ltd

Source

Security Electronic PCB Plant Positioned in China

12-pwb-pcb-factories-01

Leadsintec Inc.

Leadsintec Co.,Ltd is an electronic manufacturing service (EMS) provider positioned in Shenzhen China since the year 2004. Being an ISO 9001 certified electronics contract maker, we provide you with a selection of circuit board, component procurement, circuit board assemblage, box-build, testing services.

Due to the previous 11+ years ample experience of producing, Leadsintec has received a solid recognition in China and worldwide. Our goods are mainly applied to the Electronic Devices , Industrial, Automation, Automotive, Agriculture, Defense, Aerospace, Healthcare and also Home security market segments.

Our purpose is to serve small and mid-sized clients in lessening their investment by supplying overall solutions, high-mixed, small and medium quantity services. With our proficient program administrators, process professionals, production staff members and procurement professionals, we’re capable to completely grasp and surpass your wants.

Leadsintec’s manufacturing establishments consist of neat workshops and cutting-edge high-speed SMT lines. Our chip placement precision can hit +0.1MM on integrated circuit components. This means we can easily deal with practically all sorts of integrated circuits, for example , SO, SOP, SOJ, TSOP, TSSOP, QFP, BGA and also U-BGA. What’s more, we can easily supply 0201 chip placement, through-hole component insertion and final product production, test and packaging.

12-pwb-pcb-factories-01

STG

In accordance with : http://china-pcbassembly.com/factory-view-n100-1.html

Turn-key Circuit Card assemblage solution company

(Supporting private label Circuit Card )

STG is a reputable experienced Circuit Card and PCBA producer in China, which supplies OEM/ODM service for world-wide purchasers . With many years of expertise, STG is not simply a manufacturer, but in addition a proficient designer for creative ideas, new innovations dependant on consumers. Our product selection consists of assorted fields, for example , consumer electronics, telecommunications, industrial products , automobile assemblies, medical equipment and many more.

Our prime services consist of electronics and metal casing fab, including printed circuit boards Circuit Card manufacture, part sourcing, Circuit Card assemblage, plastic/metal house build, die-casting plus customized manufacture. With skilled employees here at STG fully trained, their performance will be superior.

Get in touch with STG

China Shenzhen Office

Telephone: +86-0755-27929725
FAX: +86-0755-27929724
Mailbox: sales@stgpcba.com

Address: Huolibao Building 5F , Technology Park, Nanshan, Shenzhen, 518100, China.
Site: china-pcbassembly.com

Hong Kong Office

Tel: 852-36458129
Fax: 852-36458092
Mailbox: marketing@stgpcba.com.
Address: 11/F FRONT BLK,HANG LOK BLDG 130 WING LOK ST,SHEUNG WAN, Hong Kong
Site: china-pcbassembly.com

12-pwb-pcb-factories-01

Asia Pacific Circuits – Turnkey service for Circuit Card Assemblage & Circuit Card Fabricating

Source : http://apc-pcbassembly.com/about-us-asia-pacific-circuits/

Asia Pacific Circuits Co., Ltd specializes in Circuit Card fabricating and assemblage, incorporating prototype and production PCBs. Here at APC We provide you with superior quality and great value Electronic Contract Manufacturing Services – incorporating Circuit Card manufacture, components purchase and turn-key PCB assemblage. With state of the art plant and technology advances, we meet the needs of purchasers in a wide range of industries.

We’re committed to your entire satisfaction. Time to market signifies how the company’s time-critical, Turnkey fabricating services empower consumers to cut the timeframe essential to develop new merchandise and deliver them to market.

Asia Pacific Circuits factories are ISO9001-2008 certified, ISO 14001 (Environmental), UL Approved, TS16949, TSTS13485 certified, IPC-A-600 and IPC-A-610 3 certified. We possess a PCB assemblage facility and a Circuit Card manufacturing facility in China Shenzhen. APC business scale covers – Circuit Card Prototype, low to middle and high volume Circuit Card fabricating and Circuit Card assemblage services.

Subsequent to APC crew 18 years of unremitting efforts to make a ultimate sales network, We created a comprehensive management system, gained the ISO9001: 2008 international quality management system certification. We possess a highly experienced sales, Circuit Card fabricating and PCB assemblage under one roof, improve the sales process and making and testing devices to guarantee only quality boards are provided to the purchaser .

Touch base with Us

Asia Pacific Circuits Co., Ltd
Office Telephone: +86-755-2758-4025
Office Fax: +86-755-2758-4028
Mailbox: sales@apc-pcbassembly.com
Office Address: # 55A, Baoan Avenue, Bao’an District, Shenzhen , 518102, China
Manufacturing plant Address: Gaoqiao Industry Park East, Yanlong Avenue, Longgang District, Shenzhen, China

12-pwb-pcb-factories-01

MOKO Tech Ltd

We Supply a Broad Array of PCB Board Choices to Match Each of your PCB Demands.

Moko Tech Ltd started in 2001, centered at Shenzhen, China. has specialized in circuit card fabricating plus circuit card assy, headquartered in Shenzhen, China. We’re committed to producing single-sided , double-sided and multilayer PCB boards, as many as 18 layers. Added to that, we are able to make available components ordering and entire circuit card assy service.

With at least a decade in the field of circuit card prototype and fabrication, we are focused on meeting the demands of our clients coming from a number of industries with regards to level of quality, supply, cost and some other request(s). As being on the list of most qualified circuit card manufacturers in China, we are confident to be your right business partners .

In China, we are respected as the high-quality supplier for a great many corporations all over the world. We can offer a variety of services including circuit card fabricating and circuit card assy for from prototype orders through batch orders.

Regarding circuit card assembly, with the help of 8 high-speed SMT assembly lines brought from Japan Yamaha and Sony, we make our utmost to match our clients’ requires.

One Stop Service: Further than PCB Board Fabricating

Our elevated experience in circuit boards is not simply tied to circuit card fabricating but includes almost all relevant services for instance circuit card design / layout and circuit card assy. Our skilled design specialists can assist you to get economical brilliance in your multi-layer design and layout or we can easily design your circuit from nothing: from a fundamental double-sided board to complicated rigid-flex PCB applications. In the year 2012, our branch – Shenzhen Eastwin Trading Ltd built in an effort to prolong international Business.

We have our 25,000 square feet up to date manufacturing area to supply the quality consistency you wish…

We’ve gained the ISO9001:2000, ISO14001, UL along with ROHS certifications. At present our circuit card potential has reached One thousand square meters on a daily, and as for circuit card assy can achieve 100,000,000 units per thirty days.

We really assume that our reputable service and practical experience will thoroughly meet your demands. Sincerity and enhancement are the causes that drive our achievements. We’re the most useful solution in your case.

To get more detailed services, more incentives, or free of charge examples kindly

Connect with Us

MOKO Tech Limited
Telphone: 86-75523573370
Fax: 86-75523573370-808
Inbox: alex@szeastwin.com
Address : 4F,Buidling #2,Guanghui Technology Park,Minqing Road, Longhua Town, Shenzhen , China
Postal Code: 518109

Using http://mokotechnology.com/about/

MAKING OF DOUBLE SIDED PCB USING PHOTO SENSITIVE FILM (Photoresist Dry Film)



This Video is demonstration about making a double sided PCB at home using photo sensitive film (Photoresist Dry Film).

Source

IoT PCB ways to care for Startups

Considering the fact that IoT products are so innovative, you would assume that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and finding your way through a number of technical problems. That may be false.
But it doesn’t imply IoT startups have a very clear method to stardom. Facing them is quite a few design and manufacturing issues to consider which are completely unique to these small products. These points should be thought of for the fresh IoT product to gain success.

On the plus side, it’s something to think about for IoT startups to comprehend that the foundation for a successful cool product does exist. This indicates experience and knowhow regarding the design, fabrication and assembly of these complex products are readily available. Also, the best advice is for prudent IoT product enterprisers and leaders to heed the counsel that professional electronics manufacturing services or EMS providers have to offer. These companies along with their engineering staffs have already carried out the work with pioneering IoT firms in Silicon Valley entering into the very first of this rising field.

The PCB of an IoT product is a unique beast than the traditional one, which is notably larger and flat. IoT devices, alternatively, are made up mainly of either rigid-flex or flex circuit assemblies, which come with their own categories of design layout, fabrication and assembly points and technicalities.

Layout

A foremost thing to consider is to search out veteran designers who’ve performed a number of rigid-flex PCB designs. PCB space for an IoT product is tight. So you’d like the designer to have firsthand layout working experience to effectively design important elements on that limited area.

Likewise, nearly all IoT gadgets aren’t fixed; they obtain sizeable movement and folding. Here, the veteran designer plays a major role in calculating bend ratios and lifecycle iterations as a serious part of a design. Various other important design layout points comprise of signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are widely used on flex circuits to ensure elements connected to the flex circuit stay firmly constantly in place to prevent movement.

One more focus is through-hole part positioning in rigid-flex circuits. What makes that pretty important? A majority of IoT appliances are founded upon surface mount device placement. Yet , there could be through-hole elements, which are often put on either the rigid part or the flex portion of the board. Through-hole elements are in most cases designed to connect input/output or I/O signals to the exterior world. That way, those signals can be displayed using an LCD or LED monitor. Through-hole part placement is a significant concern in an IoT system due to the fact when applied to the flex section of the board, appropriate stiffeners have to be designed and implemented for appropriate assembly.

Then finally in the layout category, the high temperature which elements generate should be evaluated. IoT gadgets are getting more sophisticated with rigid-flex and flex circuits featuring more than 12 – 14 layers. Some gadgets are digital. Yet , gradually more analog units are being utilized in IoT units. Analog circuitry cranks out significantly more heat than digital ones. This would mean heat expansion and then contraction rate must be taken into account. In tech lingo, it is known as the Coefficient of Thermal Expansion or CTE and the appropriate handling of it.

Fabrication

Picking the right fabricator is extremely important and is linked to the EMS company you’ve picked. The fabricator you would like require IoT PCB fabrication experience. Among important points here are ensuring reliable adhesions between layers on both rigid and flex circuit sides, realizing all the crucial calculations and having a strong comprehension of when current moves from the rigid side to the flex side.

These fabricators should also have an in-depth comprehension of extremely compact components including 0201 as well as 00105 device packages, package-on-package, and the utilization of fine-pitch ball-grid array or BGA packaged devices.

Additionally they must have expertise in designing boards with extremely tight tolerances in terms of footprint for those sorts of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They must have laser drills for via drilling with sizes of 5 mils or under mainly because these IoT units could be so tiny that a normal drill size of 5 to 8 mils perhaps might not be all you need. They may have to go to a 3 mil, which means that you have to have an superior laser drilling capability in house.

In case you are placing via-in-pad, it’s really a easy way to utilize the small land that’s available on the rigid-flex board, nonetheless , it presents difficulties for assembly. If vias are not 100 % planar or flat in shape, it could be hard during the assembly of those tiny BGA packaged devices. This is because non-planar surfaces could threaten the integrity of solder joints.

Sometimes via in pads leave bumps in the event that they’re not cleaned appropriately after having the vias and gold finish at the top. In the event there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices would not be a perfect joint. It may create irregular connections, which can be a greater issue to cope with and fix. It all boils down to which EMS company you are using because they’re the ones who will pick the fabrication house to make a thriving IoT device for you.

PCB Assembly

It’s critical to pay a visit to veteran EMS companies that have properly assembled IoT and wearable PCBs since they have specialized tooling and fixtures readily available, which are necessary for assembly to make certain components are placed effectively, exactly and the printing is carried out effectively.

Printing might be a problem for IoT units. If it’s a rigid-flex board, then you will find there’s a change between thicknesses of the rigid and flex circuit portions, which suggests a special fixture is required to keep the complete rigid-flex board planar or thoroughly flat to allow effective printing to be executed.

Startups should be prepared to opt for the suitable manufacturing partners and EMS enterprises. In this way they can make sure they have got enough experience ahead of time to get the multitude of design, fabrication and assembly details efficiently performed since they are key to a victorious and on-time IoT product release.

ESP8266 ESP-201 WiFi IOT Arduino IDE Compatible Module Overview



ESP8266 ESP-201 WIFI IOT Arduino IDE Compatible Module Overview.
SUBSCRIBE for more ESP-201 tutorial and projects.

Features:

802.11 b/g/n
Wi-Fi Direct P2P, soft-AP
Integrated TCP/IP protocol stack
Integrated TR switch, LNA, power amplifier and matching network
Integrated PLLs, regulators, DCXO and power management units
+19.5dBm output power in 802.11b mode
Working voltage: 3.3v
GPIO Pin: 11
ADC: 1
USB-to-serial: No
Antenna type: External/PCB
Application: Standalone

Worldwide shipping:
https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=esp-201
http://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20160827204004&SearchText=esp+201
http://www.banggood.com/search/esp-201.html
http://www.ebay.com/sch/i.html?_odkw=esp-210&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR10.TRC0.A0.H0.Xesp-201.TRS0&_nkw=esp-201&_sacat=0

SUBCRIBE Youtube Channel For the latest Video
Github Channel: https://github.com/makerstream
Youtube Channel: https://www.youtube.com/channel/UCcod-yed5XuUYctUc2zC-PA

Soundtrack credits:
Jahzzar – betterwithmusic.com – CC BY-SA

Source

IoT PCB things to consider for Startups

Considering IoT appliances are so cutting edge, you would assume that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and under-going a massive amount of technical difficulties. That is most certainly far from the truth.
However it doesn’t imply IoT startups have a clear approach to fame and fortune. Facing them is a number of design and manufacturing issues that are completely unique to these small products. These factors need to be evaluated for the fresh IoT device to reach their goals.

On the plus side, it’s necessary for IoT startups to learn that the basic foundation for a successful cool product exists. This simply means experience and knowhow concerning the design, fabrication and assembly of these types of complex products are obtainable. Also, the most sage advice is for prudent IoT product entrepreneurs and creators to heed the recommendation that experienced electronics manufacturing services or EMS providers have to give you. These companies together with their engineering employees have already done the work with revolutionary IoT corporations in Silicon Valley participating in the beginning of this emerging industry.

The PCB of an IoT device is a distinct beast than the traditional one, which is substantially larger and flat. IoT gadgets, alternatively, are comprised largely of either rigid-flex or flex circuit assemblies, which come with their very own groups of design layout, fabrication and assembly factors and technicalities.

Layout

A primary concern is to seek out professional designers who have accomplished numerous rigid-flex PCB designs. PCB space for an IoT device is limited. So you would like the designer to have directly layout expertise to efficiently design essential components on that small area.

Aside from that, most IoT units are not fixed; they bear substantial movement and turning. Here, the professional designer plays a significant role in computing bend ratios and lifecycle iterations as a vital part of a design. Other essential design layout factors comprise of signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are utilized on flex circuits to make certain components connected to the flex circuit continue being snugly in position to protect itself from movement.

An extra aspect to consider is through-hole element placement in rigid-flex circuits. What makes that crucial? The majority of IoT devices are based on surface mount device(SMD) placement. Nevertheless , there may be through-hole components, which are usually designed into either the rigid part or the flex area of the board. Through-hole components are usually helpful to communicate input/output or I/O signals to the outer world. Doing this, those signals can show up by using an LCD or LED monitor. Through-hole element placement is a very important thing to consider in an IoT item because when utilized on the flex section of the board, right stiffeners ought to be designed and employed for excellent assembly.

Last but not least in the layout category, the high temperature which components deliver has to be considered. IoT units are ever more difficult with rigid-flex and flex circuits featuring more than 12 to 14 layers. Several units are digital. Nevertheless , more and more analog devices are being employed in IoT devices. Analog circuitry creates way more heat than digital ones. Consequently heat expansion and also contraction rate should be factored in. In tech lingo, this is often called the Coefficient of Thermal Expansion or CTE and the good dealing with it.

Fabrication

Selecting the right fabricator is critical and is linked to the EMS company you’ve picked. The fabricator you want must have IoT PCB fabrication experience. Among essential factors here are making sure good adhesions in between layers on both rigid and flex circuit sides, comprehending all the important calculations and having a good expertise in when current transfers from the rigid side to the flex side.

These fabricators also needs to get an in-depth know-how about remarkably small parts including 0201 and also 00105 device packages, package-on-package, and the employment of fine-pitch ball-grid array or BGA packaged devices.

They also need to have experience in designing boards with pretty tight tolerances in terms of footprint for those types of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They should have laser drills for via drilling with sizes of 5 mils or under since these IoT products could be so small that a normal drill size of 5 to 8 mils may not be sufficient. They could ought to go to a 3 mil, meaning that you must have an state-of-the-art laser drilling capability on-site.

In cases where you are placing via-in-pad, it’s really a fantastic way to utilize the small land that is available on the rigid-flex board, yet it creates difficulties for assembly. If vias are not entirely planar or flat in shape, it will be difficult over the assembly of those tiny BGA packaged devices. That is because non-planar surfaces could put at risk the integrity of solder joints.

Sometimes via in pads leave bumps if they’re not scrubbed appropriately after positioning the vias and gold finish on the top. When there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices would not be a perfect joint. This could create sporadic connections, which can be a greater issue to cope with and work on. It all boils down to which EMS company you are using because they’re the ones who will pick the fabrication plant to make a triumphant IoT product for you.

PCB Assembly

It’s very important to look at professional EMS companies that have efficiently assembled IoT and wearable PCBs because they have unique tooling and fixtures readily obtainable, which are needed for assembly to make certain that components are placed the correct way, precisely and the printing is made perfectly.

Printing may be a problem for IoT devices. If it’s a rigid-flex board, then there will be a change between thicknesses of the rigid and flex circuit portions, which means a special fixture is required to keep the complete rigid-flex board planar or completely flat to help effective printing to be accomplished.

Startups ought to be set to pick the most suitable manufacturing partners and EMS enterprises. In this manner they can confirm they’ve ample experience ahead of time to get the multitude of design, fabrication and assembly details correctly performed since they are essential to a victorious and on-time IoT product launch.

ESP8266 Hack #3: Web Enabled LED – WiFi Internet-of-Things IoT



Now using ESPlorer (ESP8266.ru/esplorer) I’m writing the webap_toggle_pin.lua example from NodeMCU in its original unadulterated form to my web enabled LED.

ESPlorer

Source

Internet of Things PCB ways to care for Startups

Considering IoT appliances are so fresh, you would believe that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and going through a wide range of technical complications. That is definitely not the case.
However it doesn’t signify IoT startups have a straightforward route to fame. Facing them is a considerable number of design and manufacturing issues which are different to these small products. These points to consider must be thought of for the fresh IoT product to succeed.

On the plus side, it’s a consideration for IoT startups to know that the foundation for a successful awesome product does exist. This simply means experience and knowledge involving the design, fabrication and assembly of these leading-edge products are obtainable. And the best advice is for prudent IoT product business people and innovators to listen to the counsel that professional electronics manufacturing services or EMS providers are offering. These firms along with their engineering staffs have previously executed the work with pioneering IoT corporations in Silicon Valley moving into the very first of this rising sector.

The PCB of an IoT product is a different beast than the traditional one, which is notably larger and flat. IoT units, on the flip side, are comprised mainly of either rigid-flex or flex circuit assemblies, which come with their own groups of design layout, fabrication and assembly points to consider and intricacies.

Layout

A top factor is to search out knowledgeable designers who have achieved a lot of rigid-flex PCB designs. PCB space for an IoT product is at a premium. So you want the designer to have directly layout practical experience to proficiently design significant components on that modest area.

Even, virtually all IoT devices aren’t fixed; they receive significant movement and turning. Here, the knowledgeable designer plays a vital role in computing bend ratios and lifecycle iterations as a significant part of a design. Additional significant design layout points to consider comprise signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are employed on flex circuits to make certain that components installed on the flex circuit stay closely constantly in place to avoid movement.

One more account is through-hole part placement in rigid-flex circuits. Why is that very important? Virtually all of IoT devices are founded upon surface mount device placement. Yet , there might be through-hole components, which are generally positioned on either the rigid part or the flex area of the board. Through-hole components are usually helpful to communicate input/output or I/O signals to the outer world. Like that, those signals can be viewable employing an LCD or LED monitor. Through-hole part placement is a significant account in an IoT unit since when applied on the flex portion of the board, proper stiffeners should be designed and put to use for appropriate assembly.

As a final point in the layout category, the high temperature that components generate ought to be evaluated. IoT devices are ever more challenging with rigid-flex and flex circuits featuring more than 12 to 14 layers. Some devices are digital. Yet , ever more analog devices are getting used in IoT devices. Analog circuitry cranks out considerably more heat than digital ones. Therefore , heat expansion plus contraction rate has to be evaluated. In tech lingo, it is known as the Coefficient of Thermal Expansion or CTE and the appropriate management of it.

Fabrication

Picking the right fabricator is extremely important and is linked to the EMS company you’ve determined. The fabricator you would like should have IoT PCB fabrication practical experience. Among significant points to consider here are making certain tough adhesions between layers on both rigid and flex circuit sides, bearing in mind all the important calculations and obtaining a thorough understanding of when current moves from the rigid side to the flex side.

Such fabricators also must get an in-depth comprehension of remarkably small-scale parts just like 0201 as well as 00105 device packages, package-on-package, and the employment of fine-pitch ball-grid array or BGA packaged devices.

Furthermore, they should have knowledge of designing boards with fairly tight tolerances in terms of footprint for those types of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They should have laser drills for via drilling with sizes of 5 mils or under because these IoT units could be so compact that a typical drill size of 5 to 8 mils will possibly not be adequate. They could require to go to a 3 mil, which indicates that you have to have an enhanced laser drilling capability indoors.

In the event that you’re placing via-in-pad, it’s a fantastic way to take advantage of the small land that is available on the rigid-flex board, nonetheless , it creates difficulties for assembly. If vias are not completely planar or flat in shape, it could be a challenge during the assembly of those tiny BGA packaged devices. The reason being that non-planar surfaces might endanger the integrity of solder joints.

In some cases via in pads leave bumps if they’re not cleaned thoroughly after adding the vias and gold finish at the top. In the event that there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices may not be an excellent joint. It might create occasional connections, which might be a larger issue to treat and mend. It all boils down to which EMS company you are using because they’re the ones who will find the fabrication house to make a triumphant IoT device for you.

PCB Assembly

It’s very important to head over to knowledgeable EMS companies that have successfully assembled IoT and wearable PCBs as they have unique tooling and fixtures already obtainable, which are important for assembly to ensure that components are placed perfectly, exactly and the printing is completed perfectly.

Printing can be quite a challenge for IoT devices. If it’s a rigid-flex board, then you will find there’s a difference between thicknesses of the rigid and flex circuit portions, that means a special fixture is necessary to keep the complete rigid-flex board planar or thoroughly flat to enable effective printing to become executed.

Startups should be all set to opt for the ideal manufacturing partners and EMS businesses. Doing this they can be certain they have got ample experience in advance to get the multitude of design, fabrication and assembly details effectively performed as they are crucial to a prosperous and prompt IoT product roll-out.

How-To: Shrinkify Your Arduino Projects



If you have a simple Arduino project that uses only a few pins, you might be able to shrink it down to a single 8-pin ATtiny chip. In this video, Matt Richardson shows you how, based on a tutorial from MIT Media Lab’s High-Low Tech Group. The best part is you can use the same Arduino code and development environment that you’re already used to.

More information about this how-to is available at: http://blog.makezine.com/archive/2011/10/how-to-shrinkify-your-arduino-projects.html

Source

IoT PCB things to consider for Startups

Considering that IoT products are so fresh new, you would believe that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and suffering from a whole lot of technical headache. That is most certainly untrue.
Nonetheless it doesn’t indicate IoT startups have a evident path to stardom. Facing them is a considerable number of design and manufacturing issues to consider which are different to these small products. These points to consider ought to be factored in for the fresh new IoT product to have success.

On the plus side, it’s essential for IoT startups to understand that the basic foundation for a successful awesome product exists. This suggests experience and knowledge involving the design, fabrication and assembly of these state-of-the-art products are obtainable. Also, the most sage advice is for discreet IoT product entrepreneurs and forerunners to heed the recommendations that knowledgeable electronics manufacturing services or EMS vendors provide. These businesses as well as their engineering team members already have practiced the task with groundbreaking IoT firms in Silicon Valley stepping into the early stages of this promising field.

The PCB of an IoT device is a distinct beast than the traditional one, which is greatly larger and flat. IoT units, on the other hand, are comprised generally of either rigid-flex or flex circuit assemblies, which include their very own sets of design layout, fabrication and assembly points to consider and technicalities.

Layout

A key thing to consider is to find encountered designers who’ve done many rigid-flex PCB designs. PCB space for an IoT device is limited. So you want the designer to have firsthand layout practical knowledge to productively design key components on that small area.

Simultaneously, the majority of IoT gadgets aren’t stationary; they bear extensive movement and twisting. Here, the encountered designer plays a vital role in computing bend ratios and lifecycle iterations as a important part of a design. Some other key design layout points to consider include things like signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are employed on flex circuits to ensure that components placed on the flex circuit keep on being closely in place to prevent movement.

A second consideration is through-hole component positioning in rigid-flex circuits. Why is that vital? A great deal of IoT appliances are based on surface mount device placement. But nonetheless , there may be through-hole components, which are generally attached to either the rigid part or the flex portion of the board. Through-hole components are usually useful to connect input/output or I/O signals to the outside world. Like that, those signals can be demonstrated by using an LCD or LED monitor. Through-hole component placement is an important account in an IoT product simply because when used on the flex section of the board, proper stiffeners have to be designed and employed for appropriate assembly.

Finally in the layout category, the high temperature which components bring in is required to be evaluated. IoT gadgets are progressively more intricate with rigid-flex and flex circuits featuring as many as 12 – 14 layers. Some gadgets are digital. But nonetheless , increasingly analog systems are being exercised in IoT systems. Analog circuitry brings about much more heat than digital ones. What this means is heat expansion and also contraction rate are required to be taken into account. In tech lingo, this is actually generally known as the Coefficient of Thermal Expansion or CTE and the right management of it.

Fabrication

Finding the right fabricator is crucial and is linked to the EMS partner you have picked. The fabricator you’d like needs to have IoT PCB fabrication experience. Amongst key points to consider here are insuring good adhesions between layers on both rigid and flex circuit sides, realizing all of the vital calculations and possessing a strong know-how about when current transfers from the rigid side to the flex side.

These fabricators should also possess an in-depth understanding of tremendously compact parts including 0201 and 00105 device packages, package-on-package, and the use of fine-pitch ball-grid array or BGA packaged devices.

And also they must have experience in designing boards with very tight tolerances in terms of footprint for those sorts of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They need to have laser drills for via drilling with sizes of 5 mils or under as these IoT devices could be so little that a typical drill size of 5 to 8 mils probably won’t be all you need. They could require to go to a 3 mil, which means that you should have an innovative laser drilling capability on-site.

In case you are placing via-in-pad, it is a fantastic way to make use of the small land that’s available on the rigid-flex board, but it presents trouble for assembly. If vias aren’t fully planar or flat in shape, it could be tricky during the assembly of those tiny BGA packaged devices. The reason being that non-planar surfaces could threaten the integrity of solder joints.

Sometimes via in pads leave bumps in cases where they’re not scrubbed correctly after laying the vias and gold finish on the top. In case there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices may not be a great joint. This may create sporadic connections, which can be a greater issue to handle and work on. It all boils down to which EMS partner you’re using because they’re the ones who will find the fabrication plant to make a victorious IoT item for you.

PCB Assembly

It’s vital to go to encountered EMS companies that have efficiently assembled IoT and wearable PCBs because they have special tooling and fixtures readily available, which are essential for assembly to ensure that components are placed appropriately, precisely and the printing is accomplished correctly.

Printing is usually a problem for IoT systems. If it’s a rigid-flex board, then there is a difference between thicknesses of the rigid and flex circuit portions, signifying a special fixture is required to maintain the complete rigid-flex board planar or fully flat to get effective printing to be reached.

Startups have to be set to discover the suitable manufacturing partners and EMS firms. By doing this they can make sure that they’ve adequate experience beforehand to get the multitude of design, fabrication and assembly details efficiently performed as they are essential to a successful and prompt IoT product roll-out.

LED Panel Electronic Circuit Board Manufacturing Unit In China

Source

LED Panel Electronic Circuit Board Manufacturing Unit In China

12-pwb-pcb-factories-01

Leadsintec Inc.

Leadsintec Co.,Ltd is an electronic manufacturing service (EMS) professional in Shenzhen since 2004. Being an ISO 9001 licensed electronics contract company, we provide a assortment of PC board, component sourcing, PC board assembly, box-build, testing services.

On account of the earlier 11+ years considerable expertise in fabricating, Leadsintec has obtained a solid fame in China and other countries. Our goods are mainly applied in the Electronics Market , Industrial, Automation, Automobile, Agriculture, Defense, Aerospace, Healthcare and Home security industries.

Our objective is to help small , mid-sized buyers in lowering their cost by presenting total options, high-mixed, small and medium quantity services. With our experienced process operators, process specialists, production employees and sourcing pros, we are able to completely understand and go beyond your expectations.

Leadsintec’s manufacturing establishments include clean work spaces and reliable high-speed SMT product lines. Our chip placement precision can get to +0.1MM on integrated circuit components. This indicates we are able to take care of almost all kinds of integrated circuits, like SO, SOP, SOJ, TSOP, TSSOP, QFP, BGA as well as U-BGA. Also, we are able to offer 0201 chip placement, through-hole component insertion and final product manufacturing, test and packaging.

12-pwb-pcb-factories-01

STG

In line with : http://china-pcbassembly.com/factory-view-n100-1.html

Turk-key PWB assembly service vendor

(Supporting white label PWB )

STG is a trusted specialized PWB and PCBA manufacturer in China, which supplies OEM/ODM service for global buyers . With years of expertise, STG is not just a producer, but in addition a qualified professional designer for innovative concepts, new innovations based on customers. Our selection consists of various professions, such as electronics, telecoms, industrial items , auto assemblies, medical equipment and so on.

Our prime services contain electronics and metal casing mfg, just like printed circuit boards PWB manufacturing, element purchase, PWB assembly, plastic/metal house build, die-casting and tailor made manufacturing. With seasoned employees from STG well-trained, their capabilities will be awesome.

Contact STG

China Shenzhen Office

TEL: +86-0755-27929725
FAX: +86-0755-27929724
Inbox: sales@stgpcba.com

Address: Huolibao Building 5F , Technology Park, Nanshan, Shenzhen, 518100, China.
Web-site: www.china-pcbassembly.com

Hong Kong Office

Tel: 852-36458129
Fax: 852-36458092
Inbox: marketing@stgpcba.com.
Address: 11/F FRONT BLK,HANG LOK BLDG 130 WING LOK ST,SHEUNG WAN, Hong Kong
Website: www.china-pcbassembly.com

12-pwb-pcb-factories-01

Asia Pacific Circuits – Turn-key service for PWB Assy & PWB Fab

In line with : http://apc-pcbassembly.com/about-us-asia-pacific-circuits/

Asia Pacific Circuits Co., Ltd makes a specialty of PWB manufacturing and assembly, incorporating prototype and production PCBs. Here at APC We supply high-quality and economical Electronic Contract Manufacturing Services – integrating PWB manufacturing, components procurement and one-stop PCB assembly. With cutting edge plant and modern technology, we satisfy clients in a wide range of industries.

We’re dedicated to your absolute satisfaction. Time to market shows how the company’s time-critical, Turn-key manufacturing services help clients to reduce the time period essential to develop new merchandise and bring them to market.

Asia Pacific Circuits manufacturing facilities are ISO9001-2008 approved, ISO 14001 (Environmental), UL Recognised, TS16949, TSTS13485 credentialed, IPC-A-600 and IPC-A-610 3 compliant. We own a PCB assembly facility and a PWB manufacturing facility in Shenzhen. Asia Pacific Circuits business selection covers – PWB Prototype, low to medium and high volume PWB manufacturing and PWB assembly services.

After APC staff 18 years of meticulous efforts to develop a fabulous sales network, We set up a full management system, achieved the ISO9001: 2008 international quality management system certification. We have a highly competent sales, PWB fabrication and PCB assembly under one place, get better the sales process and manufacturing and testing hardware to make certain only qualified boards are supplied to the buyer .

Reach out to Us

Asia Pacific Circuits Co., Ltd
Office Tel: +86-755-2758-4025
Office Fax: +86-755-2758-4028
Inbox: sales@apc-pcbassembly.com
Office Address: # 55A, Baoan Ave, Bao’an District, Shenzhen City, 518102, China
Manufacturing facility Address: Gaoqiao Industry Park East, Yanlong Ave, Longgang District, Shenzhen, China

12-pwb-pcb-factories-01

China MOKO Technology Limited

We Offer a Broad Array of PCB Selections to Accommodate Every One of your PCB Demands.

Moko Technology Limited founded in 2001, in Shenzhen, China. has specialized in circuit card manufacturing and circuit card assy, based in Shenzhen, China. We’re dedicated to fabricating single-sided , double-sided and multi-layer PCB boards, to a max of 18 layers. What’s more, we can make available elements purchasing and entire circuit card assy service.

With more than ten years in the field of circuit card prototype and fab, we are focused upon fulfilling the requires of our buyers coming from multiple industries in terms of level of quality, supply, cost and almost every other request(s). As among the many most expert circuit card producers in China, we have confidence to be your ideal partners .

In China, we are honored as the first-rate supplier for lots of firms all around the world. We deliver all types of services including circuit card manufacturing and circuit card assy for from prototype orders to batch orders.

Regarding circuit card assy, with the help of 8 high-speed SMT assy lines brought from Japan Yamaha and Sony, we do our utmost to meet our buyers’ demands.

One Stop Solution: Beyond PCB Fab

Our raised competency in printed circuit boards is not merely tied to circuit card manufacturing but reaches to just about all associated services incorporating circuit card design & layout and circuit card assy. Our professional design specialists can help you obtain economical excellence in your multi-layer design and layout or we are able to design your circuit completely from scratch: from a basic double-sided board to complex rigid-flex PCB applications. In the year 2012, our subcompany – Shenzhen Eastwin Trading Limited set up in order to facilitate global Market.

We possess our 25,000 sq. feet high tech manufacturing facility to provide the quality brilliance you wish…

We now have got the ISO9001:2000, ISO14001, UL as well as ROHS certifications. At present our circuit card volume goes to One thousand square meters on a daily basis, and for circuit card assy can realize 100,000,000 pieces per thirty days.

We heavily believe that our outstanding service and practical experience will completely match your requirements. Dependability and technology are the pushes that determine our achievement. We’re the most helpful option for you.

To get more detailed products and services, more concessions, or zero cost examples kindly

Get a Hold of Us

China MOKO Technology Limited
Telphone: 86-75523573370
Fax: 86-75523573370-808
Email: alex@szeastwin.com
Address : 4F,Buidling #2,Guanghui Science Zone,Minqing Road, Longhua Town, Shenzhen City, China
Zipcode: 518109

Based on http://mokotechnology.com/about/

IOT-Link: WiFi RS-232 adapter introduction, MXCHIP solution, Model: WA 232D



WiFi RS-232 adapter
Model: WA-232D
MXCHIP solution

Wi-Fi connectivity:
1. 802.11b, 802.11g, 802.11n on channel 1-14@2.4GHz
2. WEP, WPA/WPA2 PSK/Enterprise
3. Transmit power:18.5dBm@11b, 15.5dBm@11g,14.5dBm@11n
4. MIN Receiver Sensitivity:-96 dBm
5. Wi-Fi modes: Station, Soft AP and Wi-Fi direct
6. Operating Temperature:-40 to 85 Degree C
7. Max. current: 320mA
8. Auto detect security mode

TCP/IP features:
1. DHCP client and server
2. DNS, mDNS , bonjour
3. Two sockets working at the same time
4. TCP client/server with keep-alive detection and auto reconnection
5. UDP unicast/broadcast
6. Support 8 clients in TCP server mode
7. HTTP, FTP and SMTP client
8. TCP Server/Client: 1 to 8 link

UART features:
1. CTS/RTS hardware flow control
2. Serial port baud rate: 1200, 2400, 4800, 9600, 19200, 38400, 57600,
115200, 230400, 460800, 921600, 1843200, 3686400 bps
3. High Speed data transferred by DMA, the Buffer Size include: 0, 8, 16, 32,
64, 128, 256 bytes
4. Parity: None, Even, Odd
5. Stop bit: 0.5, 1, 1.5, 2 bits

Built in PCB antenna

Source

Internet of Things PCB considerations for Startups

Considering that IoT appliances are so recent, you would consider that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and encountering a massive amount of technical difficulties. That may be a misconception.
But it doesn’t imply IoT startups have a very clear road to stardom. Facing them is quite a few design and manufacturing points to consider which are special to these small products. These factors need to be thought of for the fresh new IoT product to reach your goals.

On the plus side, it’s essential for IoT startups to find out that the basic foundation for a successful new product exists. What this means is experience and knowhow involving the design, fabrication and assembly of these cutting-edge products are accessible. Additionally, the most sage advice is for smart IoT product entrepreneurs and forerunners to heed the recommendation that skilled electronics manufacturing services or EMS vendors are offering. These businesses and also their engineering team members have already performed the job with pioneering IoT corporations in Silicon Valley participating in the early stages of this appearing market.

The PCB of an IoT product is a unique beast than the traditional one, which is considerably larger and flat. IoT products, on the other hand, comprise generally of either rigid-flex or flex circuit assemblies, which come with their own groups of design layout, fabrication and assembly factors and subtleties.

Layout

A primary thing to consider is to seek knowledgeable designers who’ve done quite a lot of rigid-flex PCB designs. PCB space for an IoT product is at a premium. So you want the designer to have directly layout working experience to productively design essential parts on that small space.

Furthermore, nearly all IoT units aren’t stationary; they sustain extensive movement and folding. Here, the knowledgeable designer plays a vital role in calculating bend ratios and lifecycle iterations as a vital part of a design. Other essential design layout factors comprise signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are widely-used on flex circuits to make sure that parts installed on the flex circuit continue being properly in position to protect itself from movement.

A new factor is through-hole element positioning in rigid-flex circuits. Why’s that pretty important? A great deal of IoT devices are based on surface mount device placement. But there could be through-hole parts, which are often put on either the rigid section or the flex part of the board. Through-hole parts are normally designed to connect input/output or I/O signals to the outer world. Like that, those signals can show up utilising an LCD or LED monitor. Through-hole element placement is a pretty important factor in an IoT unit since when used on the flex section of the board, suitable stiffeners must be designed and put to use for proper assembly.

At last in the layout category, the high temperature that parts deliver ought to be deemed. IoT units are increasingly difficult with rigid-flex and flex circuits featuring in excess of 12 to 14 layers. Several units are digital. But ever more analog products are being utilized in IoT products. Analog circuitry creates considerably more heat than digital ones. It really means heat expansion plus contraction rate should be taken into consideration. In tech lingo, that is often called the Coefficient of Thermal Expansion or CTE and the correct management of it.

Manufacturing

Choosing the right fabricator is critical and is linked to the EMS enterprise you’ve chosen. The fabricator you’d like needs to have IoT PCB fabrication experience. Among essential factors here are making certain durable adhesions in between layers on both rigid and flex circuit sides, being aware of all of the crucial calculations and possessing a good understanding of when current moves from the rigid side to the flex side.

These fabricators also must possess an in-depth knowledge of amazingly small-scale parts like 0201 and also 00105 device packages, package-on-package, and the employment of fine-pitch ball-grid array or BGA packaged devices.

Additionally they need to have experience of designing boards with pretty tight tolerances in terms of footprint for those types of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They must have laser drills for via drilling with sizes of 5 mils or under mainly because these IoT products could be so small that a standard drill size of 5 to 8 mils probably won’t be adequate. They might need to go to a 3 mil, which means that you need to have an innovative laser drilling capability indoors.

In case you are placing via-in-pad, it’s a fantastic way to make use of the small space that’s available on the rigid-flex board, yet it creates trouble for assembly. If vias aren’t entirely planar or flat in shape, it might be tricky over the assembly of those tiny BGA packaged devices. The reason being that non-planar surfaces can put in danger the integrity of solder joints.

At times via in pads leave bumps when they’re not scrubbed effectively after installing the vias and gold finish on the top. In the event there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices would not be a great joint. It might create intermittent connections, which can be a larger issue to handle and resolve. It all boils down to which EMS enterprise you are using because they’re the ones who will pick the fabrication factory to make a lucrative IoT product for you.

PCB Assembly

It’s critical to head over to knowledgeable EMS companies that have successfully assembled IoT and wearable PCBs because they have special tooling and fixtures readily available, which are required for assembly in order to guarantee components are placed effectively, precisely and the printing is completed properly.

Printing can be a issue for IoT products. If it’s a rigid-flex board, then there’s a change between thicknesses of the rigid and flex circuit portions, that means a special fixture is needed to keep the complete rigid-flex board planar or thoroughly flat to help effective printing to become carried out.

Startups ought to be well prepared to find the right manufacturing partners and EMS companies. This way they can confirm they have got sufficient experience ahead of time to get the multitude of design, fabrication and assembly details successfully performed since they are key to a prosperous and prompt IoT product roll-out.

DEF CON 22 – Joe Grand aka Kingpin – Deconstructing the Circuit Board Sandwich



Slides Here: https://defcon.org/images/defcon-22/dc-22-presentations/Grand/DEFCON-22-Joe-Grand-Deconstructing-the-Circuit-Board-Sandwich.pdf

Deconstructing the Circuit Board Sandwich: Effective Techniques for PCB Reverse Engineering
Joe Grand aka Kingpin GRAND IDEA STUDIO
Printed Circuit Boards (PCBs), used within nearly every electronic product in the world, are physical carriers for electronic components and provide conductive pathways between them. Created as a sandwich of alternating copper and insulating substrate layers, PCBs can reveal clues about system functionality based on layout heuristics or how components are interconnected. By accessing each individual copper layer of a PCB, one can reconstruct a complete circuit layout or create a schematic diagram of the design.

In this presentation, Joe examines a variety of inexpensive, home-based solutions and state-of-the-art technologies that can facilitate PCB reverse engineering through solder mask removal, delayering, and non-destructive imaging. The work is based on Joe’s Research and Analysis of PCB Deconstruction Techniques project performed as part of DARPA’s Cyber Fast Track program.

Joe Grand is an electrical engineer and hardware hacker. He runs Grand Idea Studio (www.grandideastudio.com) and specializes in the design of consumer and hobbyist embedded systems. He created the electronic badges for DEFCON 14 through 18 and was a co-host of Discovery Channel’s Prototype This. Back in the day, he was a member of the infamous hacker group L0pht Heavy Industries.

Twitter: @joegrand
Web: http://www.grandideastudio.com

Source

Internet of Things PCB things to consider for Startups

Considering the fact that IoT appliances are so latest, you would think that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and experiencing a whole lot of technical problems. This is a fallacy.
Nonetheless it doesn’t imply IoT startups have a straightforward approach to fame and fortune. Facing them is a considerable number of design and manufacturing issues that are unique to these small products. These factors should be taken into account for the fresh IoT device to achieve its purpose.

On the plus side, it’s very important for IoT startups to learn that the foundation for a successful cool product exists. This means that experience and knowhow involving the design, fabrication and assembly of these types of innovative products are obtainable. Also, the best advice is for heady IoT product enterprisers and forerunners to take the counsel that knowledgeable electronics manufacturing services or EMS suppliers provide. These companies and their engineering team members have previously completed the work with groundbreaking IoT corporations in Silicon Valley coming into the early stages of this coming sector.

The PCB of an IoT unit is a unique beast than the traditional one, which is substantially larger and flat. IoT units, in contrast, are made up generally of either rigid-flex or flex circuit assemblies, which include their very own groups of design layout, fabrication and assembly factors and technicalities.

Layout

A key consideration is to search out expert designers who have completed numerous rigid-flex PCB designs. PCB space for an IoT unit is at a premium. So you need the designer to have direct layout practical experience to efficiently design critical parts on that little space.

Likewise, the majority of IoT products aren’t stationary; they incur extensive movement and rotating. Here, the expert designer plays an essential role in figuring out bend ratios and lifecycle iterations as a serious part of a design. Other critical design layout factors incorporate signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are widely-used on flex circuits to be certain that parts attached to the flex circuit continue to be properly in place to stay away from movement.

A further factor is through-hole component placement in rigid-flex circuits. How come is that critical? Many of IoT devices are founded upon surface mount device(SMD) placement. But nevertheless , there could be through-hole parts, which are commonly attached to either the rigid section or the flex portion of the board. Through-hole parts are often used to connect input/output or I/O signals to the outer world. Like that, those signals can show up having an LCD or LED monitor. Through-hole component placement is a very important account in an IoT device given that when attached to the flex section of the board, proper stiffeners ought to be designed and employed for effective assembly.

Finally in the layout category, the high temperature which parts deliver must be deemed. IoT products are starting to be more intricate with rigid-flex and flex circuits featuring up to 12 – 14 layers. Some products are digital. But nevertheless , increasingly more analog units are being utilized in IoT units. Analog circuitry brings about a great deal more heat than digital ones. This means heat expansion and then contraction rate are required to be taken into account. In tech lingo, that is known as the Coefficient of Thermal Expansion or CTE and the right therapy for it.

Manufacturing

Picking the right fabricator is essential and is linked to the EMS enterprise you’ve decided on. The fabricator you desire require IoT PCB fabrication experience. Amongst critical factors here are insuring good adhesions between layers on both rigid and flex circuit sides, understanding all the crucial calculations and getting a solid comprehension of when current transfers from the rigid side to the flex side.

Such fabricators also need to possess an in-depth know-how about extremely small parts such as 0201 and 00105 device packages, package-on-package, and the utilization of fine-pitch ball-grid array or BGA packaged devices.

They even need to have experience of designing boards with extremely tight tolerances in terms of footprint for those kinds of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They need to have laser drills for via drilling with sizes of 5 mils or under mainly because these IoT units could be so compact that a normal drill size of 5 to 8 mils perhaps may not be enough. They could need to go to a 3 mil, which indicates that you must have an innovative laser drilling capability in house.

In cases where you’re placing via-in-pad, it’s a easy way to utilize the small space which is available on the rigid-flex board, yet it presents difficulties for assembly. If vias are not fully planar or flat in shape, it could be a difficulty through the assembly of those tiny BGA packaged devices. This comes about because non-planar surfaces can jeopardize the integrity of solder joints.

In some cases via in pads leave bumps when they’re not cleaned correctly after putting the vias and gold finish at the top. In case there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices would not be an appropriate joint. This might create sporadic connections, which might be a larger issue to treat and repair. It all boils down to which EMS enterprise you are using because they’re the ones who will decide on the fabrication facility to make a successful IoT device for you.

PCB Assembly

It’s important to go to expert EMS companies that have correctly assembled IoT and wearable PCBs because they have special tooling and fixtures already obtainable, which are needed for assembly to make certain components are placed appropriately, precisely and the printing is carried out correctly.

Printing might be a problem for IoT units. If it’s a rigid-flex board, then there does exist a change between thicknesses of the rigid and flex circuit portions, indicating a special fixture is required to keep the complete rigid-flex board planar or thoroughly flat to help effective printing to be executed.

Startups should be well prepared to choose the right manufacturing partners and EMS firms. By doing this they can make sure they’ve enough experience upfront to get the multitude of design, fabrication and assembly details efficiently performed because they are key to a prosperous and prompt IoT product launch.

LattePanda Review – Single Board Windows 10 PC with Arduino – Similar to Raspberry Pi



The LattePanda is like a Raspberry Pi but runs Windows 10 and comes equipped with an Intel Atom Cherry Trail Processor. The $90 computer also comes with an Arduino microcontroller built in. Subscribe for more! http://lon.tv/s

VIDEO INDEX:
01:02 – Hardware overview
04:55 – Connection and boot time to Windows 10
06:07 – Web browsing / YouTube / Streaming demo and performance
08:20 – Microsoft Office and Word
08:41- Gaming and Minecraft
10:02 – Steam In Home Streaming
10:47 – Kodi and High bit rate Blu-Ray MKV playback
11:29 – BIOS settings
12:05 – Conclusion and final thoughts

This is a very interesting computer that might have been more interesting had it come out before the $99 Kangaroo mini PC did (see my Kangaroo videos at http://lon.tv/kangaroopc ). At $89 it’s still a great deal for a Windows PC but for $10 more the Kangaroo performs better and is a better general consumer PC.

But if you’re a maker this might be the holy grail – a powerful quad core Atom chip running Windows 10 (fully licensed and activated) paired with an onboard Arduino microcontroller. I think it will be very popular among the maker crowd and perhaps even more so if it’s offered with an OS-less version.

It performs a little slower than the Intel Compute Stick running with the same processor. It might have something to do with the fact that the Panda runs only on 2 amps of USB voltage vs. 3 on the Intel stick.

Buy one here: http://lon.tv/qsx5a — this is not an affiliate link

LattePanda homepage is here: http://lattepanda.com

Subscribe to my email list to get a weekly digest of upcoming videos! – http://lon.tv/email

Visit the Lon.TV store to purchase some of my previously reviewed items! http://lon.tv/store

Read more about my transparency and disclaimers: http://lon.tv/disclosures

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Want to help the channel? Start a Patreon subscription!
http://lon.tv/patreon

Or you can help out just by purchasing things on Amazon through this link: http://lon.tv/amazon

Follow me on Facebook!
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http://twitter.com/lonseidman

Catch my longer interviews in audio form on my podcast!
http://lon.tv/itunes
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or the feed at http://lon.tv/podcast/feed.xml

Follow me on Google+
http://lonseidman.com

Source

IoT PCB ways to care for Startups

Because IoT devices are so fresh new, you would believe that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and going through a wide range of technical hassle. That is definitely untrue.
But it doesn’t indicate that IoT startups have a straightforward path to stardom. Facing them is a variety of design and manufacturing factors to consider which are unique to these small products. These points to consider need to be considered for the fresh IoT product to ensure success.

On the plus side, it’s necessary for IoT startups to find out that the foundation for a successful awesome product does exist. This indicates experience and knowledge relating to the design, fabrication and assembly of such cutting-edge products are accessible. Also, the best advice is for discreet IoT product entrepreneurs and leaders to take the counsel that qualified electronics manufacturing services or EMS vendors offer. These businesses and also their engineering team members have previously conducted the job with revolutionary IoT corporations in Silicon Valley entering the first stages of this coming sector.

The PCB of an IoT device is a special beast than the traditional one, which is a great deal larger and flat. IoT units, on the other hand, comprise generally of either rigid-flex or flex circuit assemblies, which include their very own sets of design layout, fabrication and assembly points to consider and intricacies.

Layout

A principal thing to consider is to search out knowledgeable designers who’ve accomplished a large amount of rigid-flex PCB designs. PCB space for an IoT device is confined. So you’d like the designer to have direct layout working experience to effectively design significant components on that modest room.

Besides that, almost all IoT gadgets aren’t fixed; they have sizeable movement and rotating. Right here, the knowledgeable designer plays a key role in calculating bend ratios and lifecycle iterations as a significant part of a design. Additional significant design layout points to consider include things like signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are widely used on flex circuits to make certain components placed on the flex circuit remain snugly constantly in place to stay away from movement.

An alternative focus is through-hole element positioning in rigid-flex circuits. How come is that vital? Most IoT appliances are based on surface mount device(SMD) placement. But there might be through-hole components, which are generally positioned on either the rigid part or the flex area of the board. Through-hole components are in most cases designed to communicate input/output or I/O signals to the outer world. Doing this, those signals can be shown by using an LCD or LED monitor. Through-hole element placement is a key consideration in an IoT unit given that when attached to the flex part of the board, suitable stiffeners need to be designed and applied for appropriate assembly.

At last in the layout category, the high temperature which components generate has to be deemed. IoT gadgets are increasingly challenging with rigid-flex and flex circuits featuring above 12 – 14 layers. Several gadgets are digital. But increasingly more analog devices are being used in IoT devices. Analog circuitry brings about considerably more heat than digital ones. Therefore , heat expansion and contraction rate should be thought of. In tech lingo, this is actually termed as the Coefficient of Thermal Expansion or CTE and the proper dealing with it.

Fabrication

Selecting the best fabricator is a must and is linked to the EMS company you have selected. The fabricator you desire needs to have IoT PCB fabrication practical experience. Amongst significant points to consider here are making sure sturdy adhesions in between layers on both rigid and flex circuit sides, realizing all of the important calculations and possessing a robust expertise in when current moves from the rigid side to the flex side.

Such fabricators also needs to get an in-depth expertise in tremendously modest components for example 0201 as well as 00105 device packages, package-on-package, and the utilization of fine-pitch ball-grid array or BGA packaged devices.

Additionally they must have experience of designing boards with very tight tolerances in terms of footprint for those kinds of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They need to have laser drills for via drilling with sizes of 5 mils or under simply because these IoT devices could be so compact that a normal drill size of 5 to 8 mils may well not be adequate. They could need to go to a 3 mil, meaning that you have to have an enhanced laser drilling capability in house.

In case you’re placing via-in-pad, it’s really a good way to take advantage of the small land which is available on the rigid-flex board, yet it poses difficulties for assembly. If vias aren’t entirely planar or flat in shape, it becomes an obstacle throughout the assembly of those tiny BGA packaged devices. The reason being that non-planar surfaces might endanger the integrity of solder joints.

Occasionally via in pads leave bumps in the event they’re not scoured correctly after having the vias and gold finish at the top. In cases where there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices may not be an appropriate joint. It could create intermittent connections, which can be a greater issue to deal with and resolve. It all boils down to which EMS company you are using because they’re the ones who will choose the fabrication facility to make a profitable IoT product for you.

PCB Assembly

It’s critical to go to knowledgeable EMS companies that have successfully assembled IoT and wearable PCBs as they have special tooling and fixtures readily obtainable, which are needed for assembly in order to guarantee components are placed properly, accurately and the printing is finished the right way.

Printing could be a concern for IoT devices. If it’s a rigid-flex board, then you will find there’s a change between thicknesses of the rigid and flex circuit portions, which suggests a special fixture is necessary to keep the complete rigid-flex board planar or thoroughly flat to allow for effective printing to become executed.

Startups have to be set to select the right manufacturing partners and EMS firms. In this way they can be certain that they’ve adequate experience beforehand to get the multitude of design, fabrication and assembly details successfully performed because they are key to a thriving and on-time IoT product roll-out.

Postbag: #27 – LED/Switch PCB, ESP8266 Modules, Banggood Quad



TM1638 Key Display Module 1pc 8-Bit Digital LED Tube 8-Bit For AVR Arduino New http://www.ebay.co.uk/itm/-/350964268396

http://www.mjoldfield.com/atelier/2012/08/pi-tm1638.html

————————————–

ESP8266 Serial WIFI Wireless Transceiver Module Send Receive LWIP AP+STA A http://www.ebay.co.uk/itm/-/201205524305

ESP8266 Serial Wireless WIFI Transceiver Module Send Receive LWIP AP+STA A http://www.ebay.co.uk/itm/-/201206173209

ESP8266 Serial WIFI Module test board + module coexistence module AP, STA, AP CZ http://www.ebay.co.uk/itm/-/400797754429

Converter for STC Arduino PRO Instead of CP2102 PL2303USB2.0 To TTL 6Pin CH340G http://www.ebay.co.uk/itm/-/351057011696

ESP8266 weather display

https://nurdspace.nl/ESP8266

http://www.esp8266.com/

An SDK for the ESP8266 WiFi Chip

The Current State of ESP8266 Development

———————————————-

http://www.banggood.com/Gin-H7-2_4G-6-Axis-LED-RC-Quadcopter-with-Protective-Cover-p-950651.html?utm_source=youtube&utm_medium=youtube_direct&utm_campaign=JulianIlett&utm_content=sami

Source

Internet of Things PCB ways to care for Startups

Given that IoT devices are so latest, you would consider that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and finding your way through a wide range of technical hassle. That is most certainly a misconception.
However it doesn’t mean IoT startups have a obvious road to stardom. Facing them is quite a lot of design and manufacturing points to consider which are special to these small products. These considerations need to be taken into account for the fresh new IoT product to ensure success.

On the plus side, it’s vital for IoT startups to know that the foundation for a successful cool product exists. This means that experience and knowhow regarding the design, fabrication and assembly of such complex products are obtainable. Additionally, the best advice is for smart IoT product businessmen and creators to follow the counsel that skilled electronics manufacturing services or EMS providers have to offer. These companies and their engineering employees have done the work with revolutionary IoT corporations in Silicon Valley joining the initial phases of this coming field.

The PCB of an IoT device is a unique beast than the traditional one, which is significantly larger and flat. IoT devices, on the flip side, are comprised largely of either rigid-flex or flex circuit assemblies, which include their very own categories of design layout, fabrication and assembly considerations and subtleties.

Layout

A top consideration is to search for competent designers who’ve accomplished a number of rigid-flex PCB designs. PCB space for an IoT device is at a premium. So you would like the designer to have direct layout knowledge to successfully design important components on that modest room.

Moreover, virtually all IoT systems aren’t fixed; they receive substantial movement and folding. Here, the competent designer plays an essential role in determining bend ratios and lifecycle iterations as a serious part of a design. Various other important design layout considerations include signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are widely used on flex circuits in order to guarantee components placed on the flex circuit continue to be closely in place to avoid movement.

Another thing to consider is through-hole element placement in rigid-flex circuits. Why is that vital? Virtually all of IoT units are founded upon surface mount device(SMD) placement. Yet , there might be through-hole components, which are in most cases designed into either the rigid portion or the flex portion of the board. Through-hole components are in general used to connect input/output or I/O signals to the outer world. That way, those signals can be viewable utilizing an LCD or LED monitor. Through-hole element placement is a very important thing to consider in an IoT product considering that when attached to the flex part of the board, appropriate stiffeners have to be designed and applied for good assembly.

Finally in the layout category, the heat that components generate ought to be considered. IoT systems are increasingly complex with rigid-flex and flex circuits featuring over 12 to 14 layers. Several systems are digital. Yet , increasingly more analog products are being employed in IoT products. Analog circuitry delivers far more heat than digital ones. This means that heat expansion and contraction rate has to be thought about. In tech lingo, this is actually often called the Coefficient of Thermal Expansion or CTE and the effective control over it.

Fabrication

Choosing the best fabricator is important and is linked to the EMS enterprise you’ve selected. The fabricator you are looking for require IoT PCB fabrication experience. Amongst important considerations here are guaranteeing solid adhesions between layers on both rigid and flex circuit sides, learning all of the crucial calculations and obtaining an excellent know-how about when current transfers from the rigid side to the flex side.

Such fabricators must also have an in-depth know-how about amazingly small parts including 0201 as well as 00105 device packages, package-on-package, and the employment of fine-pitch ball-grid array or BGA packaged devices.

Furthermore they need to have experience with designing boards with fairly tight tolerances in terms of footprint for those sorts of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They should have laser drills for via drilling with sizes of 5 mils or under as these IoT devices could be so small that a normal drill size of 5 to 8 mils will possibly not be enough. They might need to go to a 3 mil, which means you have to have an cutting-edge laser drilling capability in-house.

In the event that you are placing via-in-pad, it’s really a great way to use the small real estate that’s available on the rigid-flex board, yet it presents problems for assembly. If vias aren’t 100 % planar or flat in shape, it becomes an issue through the assembly of those tiny BGA packaged devices. That’s because non-planar surfaces may put in danger the integrity of solder joints.

Oftentimes via in pads leave bumps in the event that they’re not cleaned correctly after having the vias and gold finish on the top. If there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices wouldn’t be a great joint. It may create spotty connections, which can be a bigger issue to cope with and improve. It all boils down to which EMS enterprise you are using because they’re the ones who will select the fabrication plant to make a successful IoT device for you.

PCB Assembly

It’s critical to head to competent EMS companies that have properly assembled IoT and wearable PCBs because they have unique tooling and fixtures already available, which are necessary for assembly to make sure components are placed effectively, exactly and the printing is finished in the correct way.

Printing might be a problem for IoT products. If it’s a rigid-flex board, then there’s a difference between thicknesses of the rigid and flex circuit portions, signifying a special fixture is necessary to maintain the complete rigid-flex board planar or utterly flat to make effective printing to be carried out.

Startups ought to be geared up to opt for the correct manufacturing partners and EMS enterprises. In this way they can ensure they have ample experience early in advance to get the multitude of design, fabrication and assembly details successfully performed as they are key to a successful and punctual IoT product roll-out.

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