If Windows warns about the driver being unsigned, you may need to
Budget interfaces like the CYL6602 lack electrical isolation. Ground loops cause flicker. Use a DMX terminator (120-ohm resistor between pins 2 and 3 of the last fixture). Also, try a powered USB hub to reduce noise. cyl6602 usbdmx512 driver windows 10 link
The interface is a widely available, low-cost adapter that often lacks official centralized support. Most users successfully install it by identifying its internal chipset—typically FTDI —and using compatible drivers from lighting software providers or generic chipset repositories. Recommended Driver & Setup Methods If Windows warns about the driver being unsigned,