Quick-Turn PCB shop review project: Elecrow

After my initial PCB success with Maker Studio, I uploaded the design files to three more board houses. I had planned to try four or five more, but I started to get the impression that many of the China-based sources used the same fab house, so I stopped at three. Elecrow's basic board fab service supplies 5 or 10 PCBs for $11.90, with a basic international shipping cost of around $7 for 5 boards. Although ...

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How Online PCB Order Process works ; a guide from Allpcb.com

Online Automatic Quotation and Quote by Sales People ALLPCB.com offers automatic online quotation after you enter some of the key parameters instantly on the webpage. If your PCBs include one or more price-sensitive factors, our sales representative will be involved to offer quotation to you by email. We will respond within hours. Please check your email for quotation. Most Optimal Manufacturer for Your PCB ...

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Even your PCBs can look professionally

Manual intervention to a PCB is usually always visible. With modern „No-clean“ fluxes it´s not that obvious as in the past. But still it doesn´t make resulting look of a PCB better. However, probably more important is the fact, that soldering residues are a potential risk, especially in humid environment - as they may cause a corrosion and leakage currents. A PCB can be cleaned by various solvents (often al ...

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Do you need to extract a hard-to-reach component from a PCB?

Even a simple, well-designed tool can help significantly – we´ll introduce to you some of them … Sometimes, only a little bit is necessary to make our work more happy – a good ergonomic chair, workbench in a suitable height, good lighting … and last but not least also a good screwdriver, magnifying lens, tweezers, or „something“ what can help at extraction of a component from a PCB or at cleaning of a suspi ...

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Quick-Turn PCB shop review project: Step 1 the PCB

Well, the "Test PCB" project is finally underway. In case you don't remember my original blog, the idea is to send a PCB design out to a half-dozen or so low-cost PCB prototype shops, then review their service and quality. I've created a 6 × 6cm double-sided design for this project. I would have made it larger, but at least one fab's prices (I'm looking at you, OSH Park) rise steeply with board size, and I ...

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EEVblog #678 – What is a PCB Spark Gap?

In this tutorial Dave explains what a PCB spark gap is and how it can be a useful zero cost addition to your PCB layout to help prevent ESD damage. He shows how to easily design them into your board and calculate the approximate voltage rating. And of course has some fun applying 5kV to some gaps to show how them at work.   For more detail: EEVblog #678 – What is a PCB Spark Gap? ...

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PCB future is lightweight, low-cost, and flexible: Product how-to

In the last ten years, the technology for manufacturing lightweight, flexible PCBs has made huge progress. Lightweight flex circuits are usually associated with materials like Kapton. The use of those materials is typically limited to high-value applications due to price. Fast forward to 2015, and the landscape has changed dramatically. Printed electronics makes the news on a regular basis. We hear about br ...

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UV exposure and PCB wytrawiarka

Quite by accident I came across a long time ago on video in YouTube, which focuses on domestic production of PCBs. Personally, I am convinced that it is better to perform the PCB in a professional company - you know: aesthetics, double-sided layout, descriptions, solder mask, tin holes etc. But for small, home projects, not specifically require it. Do not forget that it comes to the cost of a few dozen gold ...

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A Beginner’s guide to making an Arduino Shield PCB

(This tutorial has gotten really popular recently, and I’m very pleased that so many people are interested. I learned all of this stuff while working on my first PCB. If you’re interested, I’ve started to sell the most recent version of my Arduino ProtoShield. If you’re making a shield, have fun and good luck!. If not, I hope you find something useful here  -Aaron) So you’re pretty fond of your Arduino. You ...

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Design Your Own PCB Business Card

In this instructable I am going to show you how to make your own printed circuit board business card. I feel that these business cards will really help you stand out from the crowd and make a great impression. It might even add one more skill to your resume. Everyone that I have given these cards out to has been really impressed and thought it was a great idea. I have regular business cards as well and I on ...

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PCB on a Box using Arduino Board

Sorry, but I hate cleaning windows, is one of my unfinished business as usual, but I had to do (at least) every time I wanted to etch a circuit board printed by traditional (and perhaps unorthodox) of stick it in cellophane and let natural light do the work. Lo siento, pero no me gusta limpiar las ventanas, es una de mis asignaturas pendientes de siempre, pero tenia que hacerlo (al menos una) cada vez que q ...

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Backup battery soldered directly to a PCB?

If you´re deciding whether it´s worth to use a backup battery, we bring you a few remarks why to go for it or not. Lithium battery Xeno Energy with a lifetime of over 10 years and rules for their usage were brought to you in our article „10 years of operation for 1 battery?". They´re usable as a “main” power source for low power consumption devices and the second main field of their usage is a power supply ...

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