The CH340 is manufactured by WCH. Their official driver is digitally signed and works flawlessly on Windows 10 (32-bit and 64-bit).
| Problem | Fix | |--------|-----| | Driver install fails | Disable driver signature enforcement (Shift+Restart → Troubleshoot → Startup Settings → Disable driver signature enforcement) | | Device shows as “Unknown” | Try a different USB cable or port (USB 2.0 port preferred) | | No DMX output | Ensure your software is set to Enttec Open DMX, not Enttec Pro. | | COM port changes | Use “USB Serial Port” fixed COM port assignment via Device Manager → Port Settings → Advanced → COM Port Number | cyl6602 usbdmx512 driver windows 10 link
: Once installed, the device should be listed as a "Sunlight" or "uDMX" device. Software Integration The CH340 is manufactured by WCH
Ensure the "Output" box is checked for the device labeled "Open TX" or similar. | | COM port changes | Use “USB