This CMOS logic-based circuit was found in the April 1974 issue of Radio Electronics magazine. The circuit is based on a period display and has hour and minute indications.
This experimental circuit for moving a stepper motor was found in a 2002 documentation. However, given...
This traditional stable configuration with the TTL 7400 integrated circuit was obtained in a...
A motor of up to 500 mA can be controlled by the logic levels applied to the inputs of this...