Instructables

Super Simple Adjustable LED Driver or Laser Driver

video Super Simple Adjustable LED Driver or Laser Driver
Make your own driver for your led or laser diode,schematic is super simple just 2 components LM317 voltage regulator and adjustable trim pot 50 ohms.
The LM317 will be the current regulator,with trimm pot we gona set the desire current.

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Outerlimit1 month ago

Great light !

miicchhii2 months ago

You can find the curcuit plan and dimensioning of a similiar driver here:

www.langeder.org/homemade-laser-driver-with-lm317/

joran791 year ago
I would sit the LED so it uses the reflector. This way it will only create a small lightbeam. Anywas a nice idea. Will use it for some projects. Thumbs up and in my favorites
macobt (author)  joran791 year ago
Thanks joran79