This circuit turns off after a time given by capacitor C1. This component can have from 1 to 1,000 uF depending on the desired time. The circuit is from an Electronics Now from June 1995.
This simple circuit serves to demonstrate the working principle of a Set-Reset flip-flop (S-R or...
This circuit interrupts the power supply when grounding is missing. The circuit is from an old...
This circuit originally came out in a Budget Electronics from 1981. The American magazine no...