How do you turn an LED on and off with a button on Arduino? We set the pinButton variable as integer 8 and we connect the button at pin 8 on the Board. Then the LED is connected to pin 2 using the ...

When the Arduino code sees the button getting pressed, it brings the corresponding LED pin high and starts a fade out timer using the SoftPWM library by [Brett Hagman].

You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the. ... You can use other pin if you want to and ...

message on the LCD, and turn a green LED on. Afterward, it will clear the screen, ... To build this project, all you need is three main components: an Arduino Uno, a 16x2 LCD, and a push button.