void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(26, OUTPUT);
  pinMode(34, OUTPUT);
}

void loop() {
  digitalWrite(26, HIGH);
  Serial.println("LED,ON");
  delay(10000);
  digitalWrite(26, LOW);
  Serial.println("LED,OFF");
  delay(10000);
}