#define  myLED 2
void setup() {
  Serial1.begin(115200);
  Serial1.println("Hello, Raspberry Pi Pico W!");
  Serial1.println("KMUTNB");
    pinMode(myLED, OUTPUT);
}
void loop() {
Serial1.println(" @ TE @ ");
  delay(1000); 
   digitalWrite(myLED, HIGH);  
  delay(1000);    
  digitalWrite(myLED, LOW);  
  delay(1000);                     
}