This is the traditional circuit from the 1980 racing video game with the AY3-6603-1 that we also published at the time in our magazines. This circuit is from the Radio Electronics magazine of August 1980.
This circuit is from 1968 documentation. We can assemble it with more modern components such as a...
Found in a 90s Silicon Chip documentation this circuit is intended to protect a speaker system in...
The UVTRON tube is an ultraviolet radiation sensor. In this circuit from Radio Electronics from...