In this case, the error appeared on a Linux when trying to upload code due to the drivers not being installed and the root permissions. I have Kubuntu 14.10 development workstation and recently I have bought a QinHeng Electronics HL-340 USB-Serial adapter. This is HL-340 USB serial port (COM) USB to RS232 USB Nine Serial Line Support Windows 7-64. i just bought an adapter USB to serial (HL-340 or RS232), but the drivers that came with it work only for 32bit. language:bashĪvrdude: ser_open(): can't open device "/dev/ttyUSB0": No such file or directory USB to HL-340 drivers for windows 7 64-bit. Tested to program LPCxxxx, P89V51, SST89E516xx and devices of same programming protocol. Drivers inbuilt in linux systems can be installed easily on windows. Easy to use USB to RS232 adater.It offeres full modem functionality that means all 9 signals of DB-9 connector are fully functional. 1 download zip file of above adapter driver for Linux. lsusb: Bus 002 Device 005: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter Distro is Linux Mint 17.3 kernel: uname -a Linux orac 4.4.0-135-lowlatency 16114.04. You may receive an avrdude: ser_open(): can't open device error similar to the output shown below. HL-340 - USB to RS232 DB9 Adapter - CH340 Chip Based. I have a QinHeng USB-Serial adapter using the H元40 Chipset.
![hl 340 usb serial driver hl 340 usb serial driver](https://ae01.alicdn.com/kf/HTB1MCxzKpXXXXbVXpXXq6xXFXXXr/2016-New-HL-340-USB-to-RS232-COM-Port-Serial-PDA-9-pin-DB9-Cable-Adapter.jpg)
If you installed the drivers for the CH340 on your computer but have issues connecting via serial terminal or uploading code using the Arduino IDE, there may be an issue with your user settings preventing you from using the CH340. COM Port Not Available Windows, Mac, and Linux
![hl 340 usb serial driver hl 340 usb serial driver](https://4.bp.blogspot.com/-bE49C8RnR7U/WiFy9pw8NGI/AAAAAAAABbE/-0g_AvVEIXYaE7y-RVfmrJjnPwdhXUD0wCLcBGAs/s1600/hl340.jpg)
With the rise of USB, DB9 Serial port Connections have become even harder to come by on new computer systems. Computers are shrinking its size daily which means less room for antiquated connections. Users seem to be able to eventually get the board recognized by a combination of giving the computer time to finish the install ( close to 20 min), plugging the board back in multiple times, reinstalling the drivers, and/or resetting the computer multiple times ( repeat both steps). If have some issues on driver installation, you may google HL-340 and you can find the driver installation guide on that page. Others have had issues where the installation process hangs.īased on the customer experiences, this might be specific to the manufacturer and are usually isolated cases. However, the board cannot be accessed on the Arduino IDE. We have had a few reports on Windows 10 where the driver will automatically install and the board will show up under a new COM port as USB-Serial CH340, but with a different device name.
![hl 340 usb serial driver hl 340 usb serial driver](https://sharvielectronics.com/wp-content/uploads/2020/06/HL-340-USB-To-RS232-Serial-Port-Adapter-9-Pin-Serial-Cable_1.jpg)
Troubleshooting COM Port is Not Showing Up as CH340 Windows