Hw-417-v1.2 Driver 〈2026 Update〉

Many hobbyist sites like SparkFun or Adafruit host these drivers if the manufacturer's site is slow. 3. Installation Guide For Windows (7, 10, and 11) Download the CH341SER.EXE file. Unplug the HW-417 module from your USB port. Run the installer as an Administrator.

Look for the (Windows) or CH341SER_MAC.ZIP (macOS). hw-417-v1.2 driver

Click the button. A "Driver install success!" popup should appear. Plug in the HW-417. Many hobbyist sites like SparkFun or Adafruit host

Follow the instructions in the README file. Note that on newer versions of macOS (Big Sur and later), you may need to allow the driver in because it is a third-party kernel extension. Unplug the HW-417 module from your USB port

To ensure stability and security, always download the driver from the official manufacturer (WCH) or reputable electronics hubs: wch-ic.com

Open and look under Ports (COM & LPT) . You should see "USB-SERIAL CH340 (COMx)," where x is the assigned port number. Download the CH341SER_MAC.ZIP .