This circuit was found in a 90’s Popular Electronics. The power transistors must be equipped with radiators and the transformer has a 2 to 5 A secondary.
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...