The trigger element of this circuit is a neon lamp. The SCR admits an equivalent. We found it in an American documentation from the 80s.
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...