LM317 Adjustable Power Supply

This very basic audio grade power supply can be used in a plethora of projects. Input voltage needs to be 3-30v ac/dc if going above 20v the caps need to be rated for 35v… i have used 25v caps as my input voltage is 18v max.

The potentiometer is a 25 turn trimpot (5K)

Etch at home PDF available HERE

Board schematic
Board design and layout