This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The circuit is from a Radio Electronics June 1970. The time depends on C1 and can be changed.
Mouser Electronics owns the Littelfuse SP3422 low-capacitance TVS diode arrays. These components are...
This circuit has its frequency controlled by a 1MHz crystal. The circuit can be powered by...
We found this circuit in a 1986 documentation. It causes 40 LEDs to flash sequentially. The big...