How To Install Ezp2019 Driver Windows 10 May 2026

Most clones of the EZP2019 come with a mini-CD. Do not use that CD. The drivers are usually corrupted or outdated. Instead, use modern, signed drivers.

The easiest way to get the correct driver is from the official manufacturer of the chip, Nanjing Qinheng Microelectronics (WCH).

Pro Tip: If you can't find the official site, reputable Arduino websites almost always host these drivers because Arduino clones use the exact same chip. how to install ezp2019 driver windows 10

Note: assume you have the EZP2019 device and its USB cable. Follow steps in order.

  • If driver signature enforcement is permanently required, look for a digitally signed driver version from the vendor.

    • If you want, I can produce a shorter checklist, a PowerShell script to list matching devices, or a one-page install guide formatted for printing. Most clones of the EZP2019 come with a mini-CD

    With the driver installed, it’s time to test the hardware.

    Boom. You’re connected. Take note of the COM number (e.g., COM3, COM4), as some older software might require you to select this manually. Pro Tip: If you can't find the official

    Look under:

    Sometimes the default CH341 driver works for serial communication but fails for the actual programming (accessing the 25xx series chips). In this case, you need to replace the driver with WinUSB or libusb using an open-source tool called Zadig.

    Now that Windows is in "Test Mode" or has signature enforcement disabled: