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 sound effect circuit is from a Radio Electronics magazine from December 1969. The transistors...
This few-watt amplifier was found in the August 1975 issue of Radio Electronics magazine. The...
We found this simple test of zener diodes in a 1978 publication. The potentiometer can be...