Impulse relay turns on with an electrical impulse at the control input and turns off again with another impulse.

Fully elaborated circuit diagrams, done in the same style, of course. “ABC: Basic Connections” started out life as a compendium of frequently used sub-circuits in Arduino projects. But you can ...

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct ... An additional Electro-Magnetic Relay (EMR) is also attached to the interface ...