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.
Make sure you subscribe for more awesome videos from the macobt projects!
Subscribe to my YOUTUBE channel:http://www.youtube.com/subscription_center?add_user=macobt
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
AsdOmega made it!