#define led1 5

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-C3!");

pinMode(led1, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(led1, HIGH);
delay(500);
digitalWrite(led1, LOW);
delay(500);
}