void setup() {
  // put your setup code here, to run once:
  Serial1.begin(115200);
  Serial1.println("Hello, Raspberry Pi Pico!");
  pinMode(11,OUTPUT);
}

void loop() {
  digitalWrite(11,HIGH);
  Serial1.println("ON");
  delay(1000);
  digitalWrite(11, LOW);
  Serial1.println("Off");
  delay(1000);
  
}