All Tutorials / Steve G / Tip120 & Tip122 Transistor Switching Circuit

Tip120 & Tip122 Transistor Switching Circuit

Schematics.

The following images are the Schematics for the circuits...

User-inserted image

User-inserted image

Underside of Board:

User-inserted image

The optional connections are for Diode D1 covered at the end of this post.