/*
Simpit for Flightgear flight simulator.

simple cicuit to check the viabilité of
putting a led in series with a switch/button.
Arduino sends 1 or 0 via serial to the simulator
toggling a property according to the value 1 or 0.
No extra pin used!
*/

const int buttonPin = 2;

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

void loop() {
Serial.print(digitalRead(buttonPin));
delay(50);
}