We found this circuit in a 1998 publication. The circuit has controls for both frequency and signal strength. A lamp is used to monitor the signals. The supply is made with a voltage of 12 V.
This circuit is from an American publication in 1998. The integrated circuit used is not very easy...
This stepper motor control was originally designed to use a PC's parallel port and is quite simple...
The crystal in this circuit can have frequencies from 100kHz to 8MHz. Capacitor C2 adjusts the...