This game for 4 competitors was found in a Popular Electronics from the 80's. The circuit has CMOS technology and can be powered by voltages from 6 to 12 V.
We found this circuit in the October 1992 Radio Electronics magazine. The frequency is given by C1...
This conventional LED flasher circuit has a configurable multivibrator configuration with PNP...
This extremely slow circuit produces one pulse per month and can be used in a timer. We found it...