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Build a simple Arduino-based DCC system
This article will help you build a simple Arduino-based DCC system. Growing up in the 1980s I was living the dream. I had an ...
An Arduino can be used to test the life of any battery with less than 5 volts, Boxall says. So, for a quick way to see how much juice your AAA, AA, C, or D batteries have left, build this ...
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