This circuit acts on a relay disconnecting the load when the input voltage exceeds the set limit. The transformer is 12 V secondary according to the relay used.
March 2017 – Mouser Electronics already has the new Texas Instruments INA260 digital current and...
We found this circuit in the 1960 Mullard transistor reference manual. The phototransistor can be a...
The integrated circuit used in this 1982 project is not very common today. It can be adapted to...