Topic

lm317

2 videos. Ranked by independent recommendations, not by views.

1. 

   1 LM317 Adjustable Voltage Regulator Tutorial

   Afrotechmods 9 people · 9 months · since Jan 2012

   An Afrotechmods tutorial on building a variable linear power supply around the LM317, often suggested as a first analogue project.

2. 

   2 Constant current power supply and laser / LED driver tutorial

   Afrotechmods 4 people · 4 months · since May 2015

   Shows a simple LM317 constant current circuit, offered as a cheap way to drive LEDs, though its fitness for laser diodes gets questioned.