This circuit is from an 80's Radio Electronics. The circuit has several output options for 50 mA currents with load indicator through LEDs.
Found in documentation from the 1980s, this circuit can be used with other operational ones. The...
This circuit is from an old publication from 1977 and can be implemented with more modern...
This control for a small servomotor with a current of a few hundred milliamps was found in an...