Program using a button timer

Projects Programming
3

What type of Arduino?

How is your button wired? Have you used a pull-up or pull-down resistor?

Try this:

#define BTN 27

void setup() {
  pinMode(BTN, INPUT);
  Serial.begin(115200);
}

void loop() {
  while (digitalRead(BTN) == LOW); //wait for button to be pressed
  Serial.println("Pressed!");
  delay(1000);
  Serial.println("1 second has passed since the last button press!");
  while (digitalRead(BTN) == HIGH); //if button is still pressed, wait for it to be released
}