This General Electric circuit was found in a 1964 documentation. The circuit triggers a relay when the sensor is activated. Trigger adjustment is done in a trimpot.
The presented project is simple, but efficient in medium distance irrigation. In this circuit, the time...
This 2002 circuit uses many more electrical components than electronics. The keys are common, and...
This traditional mixer configuration with a high input impedance was found in a 90’s Popular...