This module was immediately recognized under Windows (on com 6). Arduino IDE and identified the six com to upload applications. I tried to use it to upload directly to a ATmega 328 (similar to the Arduino. But I did not manage to make them communicate. I continued! I had the unfortunate idea to switch the Switch knew 3.3V, by not plugging the USB cable without connecting anything to the other end. ESPECIALLY NOT! since it is no longer recognized by my PC