#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);
}