Hey guys I need someone's help. I'm new to this and may have the wrong concepts. I bought a 2 digit 7 segment led with common anode. I've done some research here and on YouTube and found that I can hook up the cathode pins to some digital output pins on the arduino and set them to low. Also I've fou…

7 Segment LED reverse voltage problem

runaway_pancake September 12, 2012, 12:27am 6

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5V------A_K----220?----| output pin
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