The timing steps of this circuit are indicated by a 7-segment display. The circuit was found in documentation from the 90s. The capacitor next to the 555 determines the timing steges.
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...