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???? COMPLETE ARDUINO COURSE: https://cursodearduino.net/ (with class support via chat) ???? ROBOTICS WEEK: (sign up for the next one) IN THIS VIDEO: Let's explore relay modules with Arduino? There are some details that can affect the smooth running of your project! Have you ever heard of optocoupler or photocoupler? Let's explain what they are and how they are used in relay modules. ???? CHANNEL WEBSITE: (All content organized) ???? CHANNEL INSTAGRAM: / canalbrincandocomideias ???? CHANNEL FACEBOOK: / paginabrincandocomideias #cursodearduino #arduino #arduinocomofunciona #arduinoparaqueserve #arduinoprograma #internetdascoisas #iot