This cassette player motor speed control was found in the January 1991 issue of Radio Electronics magazine. The circuit is for voltages from 9 to 12 V.
With a strong positive feedback (via a 10 M resistor) we can get the trigger setting for the...
This very simple brake light circuit is activated with the brake lights, just connecting it by...
This simple circuit uses an SCR to lock the alarm once triggered. The circuit is from an English...