Here are a couple of pre built options.
Greetings y'all - first post here. I have a project where I need to build a row of several dozen LEDs with the absolute narrowest projection angle possible.chiller791 Today, 05:54 PM
I have a niteye eye15 and the eagletac d25c and really love them both. The niteye eye 10 would be for a 123 battery. It's the same design as the jetbeam/sunwaymanfogcreature Today, 05:34 PM
Yep, lots of info in Posts # 247, 282, 304, 313, 316, 320, 332 ... [emoji106]archimedes Today, 05:24 PM