These circuits were obtained in an Electronics Now from the 90s. The integrated circuits are from that time and the power can be between 1.5 and 2 V.
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...