Arduino - 4-Channel Relay Module

Learn how to connect 4-channel relay module to Arduino, how to program Arduino to control 4-channel relay module step by step. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino.

4 Channel Relay Shield for Arduino UNO

5V 4-Channel Relay Module with Optocoupler High Low Level Trigger for Arduino

relay module interfacing with arduino code and circuit diagam

DURABLE: Relay module made of 100% brand new and high quality meterial, with good performance and long service life. EASY TO USE: High/low level

AC100V-250V 30A 4 Channel Relay Module High Power DC5V High Low Level Trigger Switch Module

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This module is equipped with 4 relays that allow you to activate/deactivate the load connected to them 240V/10A max., It has optoisolated inputs and

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4 Channel 5V Relay Module 10A/250V

Relay for Raspberry Pi or Arduino 1-Channel 5V Relay Module 250V/10A – JemRF

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5V 4 Channel Relay Board for Arduino