WebAuthn toggle automation

arduino.ino

#define totalPins 6
int pins[totalPins] = {13, 12, 9, 8, 7, 6};

void setup() {
  // Ensure the PINs never output voltage HIGH (5v) or we may fry the keys
  for (byte idx = 0; idx < totalPins; idx++) {
    pinMode(pins[idx], OUTPUT);
    digitalWrite(pins[idx], LOW);
    pinMode(pins[idx], INPUT);
  } 
  // Wait 5 seconds for the keys to boot so we don't confuse them
  delay(5000);
}

void loop() {  
  // Toggle each key on/off iteratively, cannot trigger more than one key at a time
  for (byte idx = 0; idx < totalPins; idx++) {
    pinMode(pins[idx], OUTPUT);
    delay(50);
    pinMode(pins[idx], INPUT);
  }
}