const int buttonPin = 2; // Define the button connected to digital pin 2
int buttonState; // Variable to store the button state
void setup() {
pinMode(buttonPin, INPUT_PULLUP); // Set the pin as input mode with internal pull-up resistor
Serial.begin(9600); // Initialize serial communication
}
void loop() {
buttonState = digitalRead(buttonPin); // Read the button state
if (buttonState == LOW) { // If the button is pressed (connected to GND)
Serial.println("Button is pressed");
Serial.println(digitalRead(2));
} else { // If the button is not pressed (high level)
Serial.println("Button is not pressed");
Serial.println(digitalRead(2));
}
delay(100); // A short delay to avoid jitter
}