Since this module follows the typical application circuit of LM317 voltage regulator, it is ideal for driving little lab projects or any other circuit requiring a constant voltage supply ... Below is ...

An LM317, configured as a constant-current source, delivers an output voltage equal to the input if the output ... To track down pc-board short circuits, attach the unit with test points A and B ...

The humble LM317 ... voltage to provide a constant current source under varying load. This can useful for a number of applications including driving LEDs and laser diodes. While this circuit ...