This realistic circuit has longer timings for green and red lights, with shorter timings for yellow. The circuit is from an Electronics Now from May 1994.
This circuit for tape recorders was found in the February 1990 Radio Electronics magazine. The...
This Signetics circuit uses a double 555 (556) to generate tone bursts at frequencies determined by...
Found in an American documentation from 1969, this astounding circuitry makes a relay operate on 3 Hz...