HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH ARDUINO

Learn how to interface a 5V relay module with Arduino using leds.

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Check out other tutorials involving the use of relay modules:
i). IR remote Control of a 5V 4 Channel Relay Module with Arduino:    • IR REMOTE CONTROL OF A 5V 4 CHANNEL R...  

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Recommended components for this DIY
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i). 4 Channel DC 5V Relay Module with Optocoupler for Arduino -
https://amzn.to/2HRS3ew
ii) .UNO R3 Board ATmega328P ATMEGA16U2 with USB Cable for Arduino -
https://amzn.to/2HP7T9R

For full codes visit this link;
https://mytectutor.com/interfacing-5v...

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