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.
This ultra-simple circuit has the frequency determined by the LC network. Any general purpose JFET...
This circuit, which has a strong didactic appeal, simulates logical functions, and can be used in...
This unit is intended to power 2 AA or AAA battery powered applications from the car battery,...