This low frequency circuit was found in documentation from the 1980s. The values of R and C determine the frequency. Inverters can also be designed with logic gates.
This circuit was originally designed to automatically turn on a television when a video game is...
Designed by Philips in 1968 to control the washer water level this circuit uses components from the era....
This circuit uses an optical coupler called Raystor created by Raytheon in the 1960s. The circuit...