This circuit was found in American documentation from 1966, but it can be assembled with a modern equivalent transistor. The circuit is based on a mechanical tuning fork with a coil feedback system.
ON Semiconductor NTMJS1D5N04C 40V Industrial MOSFET Available from Mouser Electronics, these ON...
The purpose of this circuit is to maintain the liquid level of a reservoir between two values...
This 80's circuit uses a microcontroller programmed to generate various songs. The circuit can serve...