This circuit was found in a 90s Popular Electronics. The circuit uses several relays in order to obtain different controls for power loads.
The circuit shown is from an old English publication from 1965. We can adapt the circuit to work...
If the reader needs to monitor a voltage and does not want an expensive or sophisticated solution. In...
August 2017 - Mouser Electronics is in stock with the PGA460 and PGA460 Q1 ultrasonic processors...