This circuit came out in a publication called Electronics Handbook of 1993. The circuit shows how to implement a good common telephone line protector.
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...