When I was looking in to supplies for my project I found that for the cost of 3 LEDs, 3 resistors, and 1 battery at Radio Shack, I could buy 200 LEDs, 15 resistors and 25 batteries on ebay.
When I was looking in to supplies for my project I found that for the cost of 3 LEDs, 3 resistors, and 1 battery at Radio Shack, I could buy 200 LEDs, 15 resistors and 25 batteries on ebay.