/* UsbUartCH340G A blink sketch that also sends a burst of data over the serial port. For info and circuit diagrams see https://github.com/tardate/LittleArduinoProjects/tree/master/Electronics101/SerialInterface/UsbUartCH340G */ #define LED_PIN 13 void setup() { Serial.begin(115200); while (!Serial) {} pinMode(LED_PIN, OUTPUT); } void loop() { digitalWrite(LED_PIN, HIGH); for(int i=0; i< 50; ++i) { Serial.println("high......"); delay(10); } digitalWrite(LED_PIN, LOW); delay(200); }