Hl 340 usb serial driver
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Driver can auto-download via Windows Update (Windows 7, 8, 8. Windows Vista, 7, 8, 8.1 Certified WHQL Driver Compatible with Windows 2000SP4 & Server2003 Installer version & Build date: 1.12.0 () (For PL2303 HXA, XA, HXD, EA, RA, SA, TA, TB versions) This is the Prolific website read on the driver I installed:ĭownload File: PL2303_Prolific_DriverInstaller_v1.12.0.zip July for the ones from the download page) and so Windows prefers it over them. The problem is probably that the non-working driver is the newest (September 2021 vs.
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![hl 340 usb serial driver hl 340 usb serial driver](https://ae01.alicdn.com/kf/HTB1Xdk2a7OWBuNjSsppq6xPgpXa3/HL-340-New-USB-to-RS232-COM-Port-Serial-PDA-9-pin-DB9-Cable-Adapter-support.jpg)
I had only one other entry, a "ser2pl.inf" version " 3.8.40.0".ĭisconnect the device, and "pnputil /delete-driver oemXY.inf" with the INF file you located in the previous step.Ĭonnect the device again, and it should work, at least, it does for me. For more information about converting USB to printer interface, please refer to the CH340DS2 datasheet. In UART mode, CH340 provides standard MODEM signals, used to extend serial port for computers, or upgrade directly from normal serial device to USB bus. Check out these tutorials to dive even deeper into the world of microcontrollers or send serial data to your computer with a GPS Serial Terminal Basics. CH340 is a USB bus converter chip which converts USB to serial port or printer port. Then "pnputil /enum-drivers", and in the output look for Prolific drivers other than the ones from the previous step. Linux (ZIP)- Driver v1.5 () USB-to-serial converters like the CH340 are great for uploading code to a microcontroller or viewing data from a GPS on a serial terminal. It will add the two driver packages to the driver store and tell you what oemXY.inf files it has assigned to them. What I did is this:įirst install the downloaded driver by unpacking the zip file and "pnputil /add-driver *.inf /subdirs /install" (the /install is probably not necessary) from the extracted "Win11_DCHU" directory. Getting it installed is a bit tricky, it seems. There is a working driver at, a bit down the page listed as "DCHU (for PC Vendors)".