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If none of the above steps work, try connecting the HL-340 to a different USB port or computer to determine if the issue is specific to the device or the computer. Test the USB port with another device to ensure it is providing power. Check if the USB cable is firmly connected to both the HL-340 and the USB port. Make sure the HL-340 is correctly connected to a working USB port on your computer. Please try the following troubleshooting steps: What does this mean?Ī3: If the LED indicators are not lit up, it indicates that the HL-340 is not receiving power. Q3: The HL-340 LED indicators are not lit up. Try using a shorter and good-quality USB cable for reduced signal loss. Ensure that the connected device (e.g., serial device or equipment) can handle higher data rates. Confirm that the HL-340 driver is up to date. It allows the attached USB-to-serial device to enter a low power state when not in use, while the system remains in the S0 state. Starting in Windows 10, Usbser.sys supports USB Selective Suspend. Once installed, plug the USB adapter in, and it should finish the install. Configure selective suspend for Usbser.sys. Check if the USB port you are using supports USB 2.0 for higher transfer rates. Download : HL-340 (CH340) USB RS232 Adapter - driver installation: Unzip/Extract the folder called 'HL-340' then inside that extracted folder you can Run the 'HL-340.exe' to start the driver installation. Overview : - USB to RS232 conversion cable for USB and serial devices easily connect serial devices with features such as Plug and play, hot-swappable. How can I resolve this?Ī2: To improve data transfer speed, you can try the following troubleshooting steps: Q2: I am experiencing slow data transfer speed with the HL-340. Restart your computer and check if the device is recognized. The answer turns out to be that I needed the kmod-usb-serial-ch341 kernel package: opkg install kmod-usb-serial-ch341. Try connecting the HL-340 to a different USB port to rule out port-related issues. Check if the HL-340 driver is properly installed on your computer. Ensure the HL-340 is securely connected to the USB port. What could be the issue?Ī1: There are a few potential causes for this issue.
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Q1: My computer is not recognizing the HL-340 USB to Serial converter. LED indicator for power and activity status Power: Bus-powered, no external power supply required Cysign (Themenstarter) Anmeldungsdatum: 15. SKU: 31458 Add to Wishlist Single crystal 12M Tablet 340 USB port to serial port communication. Ich würde mich über nen Rat freuen, wie ich die Arduino-IDE mit dem Chip kommunizieren lassen kann.momentan erkennt die IDE keinen seriellen Port. Below you can download usb to serial hl-340 driver for Windows.Īntivirus software passed: Avira ver 3.82 Per lsusb bekomme ich folgendes angezeigt: QinHeng Electronics HL-340 USB-Serial adapter.