Hi, The code from: https://create.arduino.cc/projecthub/lightthedreams/how-to-connect-remote-control-4-channel-to-arduino-dc8e33?ref=platform&ref_id=424_popular___&offset=4959 In my understood, because of the D0/D1 are momentary 'HIGH' when be trigger, the LED ought to ON just a moment then off, …

[image] shanren: in fact it keep on till next trigger. why? State Change Detection. The LED state is toggled: ledState1 = !ledState1; each time the button state goes from LOW to HIGH. Nothing is changed when it goes from HIGH to LOW so the LED doesn't go off when the input pulse ends.

Need help to explain the sketch please

Projects Programming

shanren November 9, 2021, 2:16am 3

Great!
Thank you.

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Need help to explain the sketch please

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