This circuit was found in the August 1997 Electronics Now magazine. The circuit uses well-known operational codes and generates signals up to 20 kHz.
This circuit uses one of two D-type flip-flops available on an integrated circuit 4013. The...
We found this circuit in an old English documentation. The idea is a momentary indicator that...
I found this circuit in an old document from 1981. The circuit can be implemented today with the...