Uninstall the device from Device Manager (right-click → Uninstall), check "Delete driver software", then unplug and reinstall using the WCH installer again.
Some reputable open-source hardware projects (like Arduino, 3D printer boards) also host the CH340 driver. For example:
Because these devices are often generic, they rely on several standard driver packages: uDMX Driver: cyl6602 usbdmx512 driver windows 10 link
Extract your downloaded driver folder (FTDI or uDMX) to an easily accessible directory like your desktop.
Finding a direct official link for the driver can be tricky because it's a common generic interface often bundled with "cracked" or free software. 📥 Recommended Driver Links Uninstall the device from Device Manager (right-click →
Once installed, the device should appear in Device Manager under . It will likely be named something like USB Serial Port (COM3) or USB-DMX512 Interface . Note the COM number; you may need to select this specific port inside your lighting software.
Since the drivers are often not digitally signed, Windows 10 will block their installation by default. USB DMX512 doesn't have a driver! - ControlBooth Finding a direct official link for the driver
The safest link is the official WCH (Nanjing Qinheng Microelectronics) repository for the CH340 series driver, which is backward compatible with 99% of CYL6602 clones.
Some users have success using the libusbK drivers specifically for uDMX devices.
This is the root of the driver issues. Windows does not natively recognize this "generic" microcontroller as a DMX lighting device. Unlike a standard webcam or keyboard, it has no built-in driver in Windows 10. It requires a specific software driver—usually a libusb -based driver—to translate communication between your lighting software and the hardware.
Windows does not include a native driver for CYL6602. Without the correct driver, the device appears as “USB Serial Converter” or not at all.