Description
Batteries soon become an expensive way to power your electronic kits and electronic games. This is a basic power supply in a box using two 7805 regulators. Input up to 20V AC from a transformer or power pack. Two regulated outputs are available - one fixed at 5V, the other variable. Good introduction to three terminal regulators. (K4)
Download documentation here: http://www.electronics123.net/amazon/datasheet/k4.pdf