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.
This circuit operates with input voltages from 50 to 140 V providing an output of 12 V under...
This circuit was obtained in an old American documentation. The integrated circuit used is...
EDN magazine in a 90's issue published this TTL technology debouncer flip flop circuit, in this...