Accessory Relay Wiring Diagram
18+ Accessory Relay Wiring Diagram Pics. How an automotive relay works and how to wire 'em up. Understanding relays & wiring diagrams.
The square relay pinout shows how the relay socket is configured for wiring.
In this tutorial we will going to wire the 8 channel relay module driven by our own very owned microcontroller, the below illustration illustrate 8 device on external power source triggered by the relay. Identify the hot power wire (red wire in the diagram above) in the cord leading to the light bulb and make a cut. A relay is an electrically operated switch that can be turned on or off, letting the current go through or not, and can be controlled with low voltages, like the 5v provided by the arduino pins. We can control high voltage electronic devices using relays.
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