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.
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Tutorial by Robojax.com
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47 comentarios

  3. Thanks for sharing as I was scratching my head getting it to work. I was writing the Arduino code to write the pin as "high" instead of "low". Worked great after that!

  7. Thank you for this video. I am wanting to turn a 5v DC pump on every 24 hours for a few minutes, what is the delay I can programme on a Mega 2560. Thanks

  9. Why my motor still works when I connected to NO? Does the relay works when the circuit have no electricity? I mean, I use 2 sources, from USB and from 9v battery, the relay doesn't light up if the electric from USB not connected and the board is not online, but the motor still works as it use the battery source

  14. Hi there, thanks for this video but i couldn't find a answer. I want my 12 fan go on when raspberry pi is turned on. So using the USB port as a trigger. Using just 5v and ground from USB. Is it possible?

  24. I got two of these for an Arduino project. They work okay, but there are no mounting holes! Anybody have any suggestions on how to mount them in a plastic project box enclosure along with other active electronics components?

  25. Outstanding video. I loved the code split screen. Very good explanations, too! The reason I clicked is because it is the shortest video on arduino relays. It's taken me longer to thank you, than to watch and understand your video. Amazing! Thanks again.

  33. Hey Robojax, I wrote the code you have on Arduino

    int touchPin = 2;

    int val = 0;

    int relayPin = 8;

    void setup() {

    pinMode(relayPin OUTPUT);

    }

    void loop() {

    digitalWrite(relayPin, LOW);

    delay(500);

    digitalWrite(relayPin, High);

    delay(500)

    }

    …and the arduino gave an error saying "too few arguments to function 'void pinMode(uint8_t, uint8_t)"

    what do you think is wrong I've followed everything you video have mentioned..please help Robojax. Much appreciated and thank you.

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