: Ensure you install the correct drivers for your USB chip. If using a CP2102, Windows usually handles this automatically. For CH340 chips, you may need a separate download.
If you want to build your own cable rather than purchasing a QYT USB cable , you will need a USB-to-TTL UART module. qyt kt8900 programming cable pinout top
: Use a module with an FTDI or CP2102 chip. Avoid older Prolific (PL2303) chips, as they often have driver issues on Windows 11. Solder the Connections : : Ensure you install the correct drivers for your USB chip