The humble LM317 adjustable voltage regulator is everywhere ... including driving LEDs and laser diodes. While this circuit may not be as efficient as an LED driver module or a switching solution ...
It couldn’t be simpler but you have to admit that a small adjustable portable power supply like this one will be really handy. The main part of the PSU is an LM317 linear voltage regulator which ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results