This power supply provides about 5-24 volts and up to 1 ampere of regulated power. The circuit is also short proof and thermally protected. This is a great general purpose supply. Operates on 110v AC.

Principles taught: Rectifiers, volt. regulation, circuit protection.

Components: Potentiometer, resistor, 4 diodes, IC, 3 capacitors, transformer, line cord, toggle switch, 2 binding posts.