//https://www.arduino.cc/reference/en/language/functions/digital-io/digitalread/


int ledPin = 2;  // LED connected to digital pin 2
int inPin = 7;  // pushbutton connected to digital pin 7
int val = 0;   // variable to store the read value

void setup() {
  // put your setup code here, to run once:
pinMode(ledPin, OUTPUT);  //sets the digital pin 2 as output
pinMode(inPin, INPUT); // sets the digital pin 7 as input

}

void loop() {
  // put your main code here, to run repeatedly:
val = digitalRead(inPin); // read the input pin
digitalWrite(ledPin, val); // sets the LED to the button's value
}