I just bought my first Arduino which is an UNO and I haven't done anything with it other than open it up and take pictures of it for other people. I remember reading on the old forum that you had to use a resistor when blinking an LED or else you might burn out your Arduino. Does it still hold tru…

Beginner question about the Arduino

system March 9, 2011, 12:03am 9

Russ, Thank you very much!!

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