Just a video showing the Arduino switching 24 watts of LED's via Darlington pairs made of pn2222 and TIP41c. The final project will have just over 100 watts of white LED's, as well as 20 each RGB. This current test is with 24 watts of warm white LED's, somewhere around 2000 lumens total light outpu…

LED photostrobe Alpha test

system April 11, 2012, 2:09am 4

Nice and bright
But why Darlingtons instead of MOSFETs? AFAIK, Darlingtons have higher loss/get warmer.

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