Finding My Resistor

"What resistor do I need?" Here's where you learn to find the answer. NOTE: I'm not an electronics engineer, but this video comes from what I've learned, and it's boiled down to be a simple place to start for the new sabersmith. (Madcow) Other helpful links: http://forums.thecustomsabershop.com/... http://forums.thecustomsabershop.com/...) Helpful videos by Erv at Plecter Labs:    • Bench Power Supply (PSU) tutorial      • High Power LED Forward Voltage Tutorial