This circuit that we found in a 1990 documentation uses an LED as a sensor. The operational amplifier is equivalent to the 741 and the trigger adjustment is made in the potentiometer.
September 2017 - Vishay Siliconix SQ MOSFETs for automotive use are in stock for immediate...
Found in Maxim documentation from the 90s, this circuit makes use of components from the period. The...
At each switch position, a diode is connected in series with the motor, thus causing a small...