4 relay module wiring diagram

Arduino 4-Channel Relay Module Arduino Tutorial. A 4-channel relay module is a combination of 4 relays on a single board. A 4-channel relay module vs 4 x 1-channel relay modules: A 4-channel relay module has simpler wiring. A 4-channel relay module uses less space. A 4-channel relay module is cheaper. The.

Arduino 4-Channel Relay Module Arduino Tutorial
Arduino 4-Channel Relay Module Arduino Tutorial from aptinex.com

Introduction. In layman's terms, a relay is an electromagnetic switch that is typically used to switch the power supply either automatically or manually.In this post, I'll go over the.

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