Friday, July 25, 2014
I grabbed a used 24vac HVAC transformer, soldered a bridge rectifier on top, and fed the input on this board. I put a 300ma 1w LED on the output, and I'm controlling the brightness by controlling the current, even down to 2ma (dim), all the way up to 300ma (blindingly bright). I could go higher, up to 3000ma, but that will let the magic smoke out.
Posted by Steve Spence at 3:23 PM