So a few days ago I posted this: http://arduino.cc/forum/index.php/topic,100214.0.html and after a quick trip to Fry's and some experimentation I have some more questions. First, the refined project description: 50 LEDs will be arranged in a circle that can be worn like a necklace (I plan on using…

Transistor controlled LED ring and help with resistor calculations

CrossRoads April 10, 2012, 12:32am 7

Grounds - yes, all connected.

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