Updated: Variable Power Supply using LM317 and 7805 ICs

Variable Power Supply using LM317 and 7805 ICs

I’ve updated this article to include a fan for heatsinking the voltage regulators. As originally built, you would be lucky to have 500mA of current delivery before the regulators went into thermal shutdown. A new schematic is included.


About robbie

I am an electronics enthusiest and a ham radio operator (W1RCP). I like to play with electronics. It's fun and educational. I looked forward to working in the engineering field in the future. I have a BS in Electronics Engineering Technology from DeVry University. I also have an Associate's degree in Marketing Management from Moultrie Tech, and a diploma in Electronics from MTC.