Question 2: To interface the Push button with Arduino and write a program to ‘turn ON’ LED when the push button is pressed or at sensor detection.

Question 2: To interface the Push button with Arduino and write a program to ‘turn ON’ LED when the push button is pressed or at sensor detection. - Wokwi ESP32, STM32, Arduino Simulator

const int pushPin = 2;
const int ledPin = 13;
int buttonState = 0;
void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(pushPin, INPUT);
}
void loop() {
  buttonState = digitalRead(pushPin);
  if (buttonState == HIGH) {
    digitalWrite(ledPin, HIGH);
  }
  else {
    digitalWrite(ledPin, LOW);
  }
}