A driver without software is useless. The official EZP2019 software is ancient and buggy. The modern standard is NeoProgrammer (a fork of AsProgrammer).

Go to the official WCH (Nanjing Qinheng) website or a reputable open-source repository. Look for "CH341SER.EXE" (for serial) and "CH341PAR.EXE" (for parallel/SPI). *Alternatively, download the complete "EZP2019 Software Package" from a trusted forum like Badcaps.net or Win-Raid.

Go to the official Zadig website (zadig.akeo.ie) and download the latest version. No installation is required; it runs as a portable EXE.

If you see "Connected" and the chip ID reads correctly, you have successfully installed the drivers.


If the driver didn’t automatically attach to the device: