The figure shows a typical circuit of a variac with a special transformer with sliding adjustment of the winding turns. The circuit is from an Electronics Now magazine from December 1997.
We found this conventional flasher by activating a relay in a 1987 documentation. The circuit...
The circuit was suggested by Analog Devices (www.analog.com) in its Application Note AN-411 and...
This circuit works in the opposite form to the previous one and drives a relay as a load. The...