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Using 5V 1 channel relay module for Arduino
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YouTubeRobojax
Using 5V 1 channel relay module for Arduino
This video shows you how to use 5V relay module for Arduino. First the 5V 1 channel relay is explained and tested. Then from the Arduino software the relay is turned ON and OFF to demonstrate how it work and buzzer is tested. Monitor Door(is it open or closed) from 20km or 13 mile for free using ESP32 with LoRa . Watch the video: https://youtu ...
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