This circuit for incandescent lamps was found in the February 1972 Radio Electronics magazine. The triac is rated according to the lamp power and the sensitivity adjustment is made in R1.
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...