This circuit was found in documentation from the 1980s. The circuit uses several components of the time, which are uncommon today. We must not supply it with a transformerless power supply.
This simple circuit was obtained from Popular Electronics in December 1990. The magazine no longer...
This circuit was obtained from a 2005 Linear Technology manual. The circuit is self-powered and can...
Found in a Hands-On Electornics, this touch biestable can control loads that depend on the SCR....