This TTL circuit is from a Radio Electronics magazine from February 1973. The circuit must be powered with 5 V and the maximum frequency depends on the TTL integrated circuit.
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...