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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Turn your Arduino into a Magnetic Card Reader!

Everyone has used a magnetic card reader, I believe. I mean, who carries cash these days? They're not difficult to get your hands on, either, and during a trip to my favorite local electronics shop, I found a bin full of these guys. So....of course, I picked one up and brought it home to see what sort of stuff I could do with it and an AVR.This instructable will show you how to connect a Magtek magnetic car ...

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