Right-click the downloaded ZIP/RAR file and extract it to a known folder on your hard drive .
Since the XH-W909 is a generic open-source hardware clone, there is no official central website. We recommend the following: xh390 driver upd
If you are building a custom project (e.g., modifying for a 3D printer heater) and need to update the microcontroller firmware: Right-click the downloaded ZIP/RAR file and extract it
If "XH390" refers to a compact PC model (such as those from Shuttle or Minisforum), visit the Minisforum Support Center or the specific manufacturer's site to download the driver bundle . xh390 driver upd
A: Not exactly. XH390 is a product/model name; PL2303 is the underlying chip. Many XH390 adapters use PL2303, but some use CH340. Always check the hardware ID.
