Found in a November 1977 Radio Electronics magazine, this digital circuit was described in an article that taught how to assemble it. The 6-digit circuit is a clock.
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...
This linear speed control for DC motors up to about 2 A was found in a 1978 publication. The power...
The idea is simple: using a flashlight to cut your TV commercials triggers a relay that turns off...