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  • tayebm commented on GreatScottLab's instructable Turn your lights on with clapping?!8 months ago
    Turn your lights on with clapping?!

    greeting scott this is a really cool project as always and i'll try to make iti'm kinda beginner and i have a silly question about the arduino sketch "digitalWrite(transistorpin, !digitalRead(transistorpin));"this line does it reverse the pin status when we add "!" before the digital read ?thank you so much for ur work

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