Thesetup()function runs one time, every time you power on your Arduino. This is where you set up everything you need for your program, like what pins should be inputs and outputs. Theloop()function starts after the setup() function has finished and runs over and over again until you t...
If you use an Arduino board with some other microcontroller, the value of an integrated pull-up resistors can be found at this link. We invite you in defining the pin using INPUT_PULLUP. pinMode(pin, INPUT_PULLUP); Products used in this tutorial See all products Coming soon ...