This circuit allows you to vary the duty cycle without changing the frequency. An interesting application for PWM controls. The circuit is from a Radio Electronics magazine from July 1985.
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...