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Comment Re:Arduino, AVR, RPi, Beaglebone (Score 4, Interesting) 228

I just got an Arduino for Christmas, and I'm having a blast learning electronics. (I'm programmer by profession, so the coding part is only mildly challenging/interesting.)

The thing I've been enjoying about the Arduino is the community. When I hook an LED up, why do I need a resister? How do I compute -which- value resister I need? What do I need to run a 1A brush motor? So far I've very often found these questions have already been answered (with ideas, suggestions, hardware, etc).

Be careful when a loop exits to the same place from side and bottom.