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Download HL-340 USB to Serial Driver

Need to connect serial devices to your computer via USB? The HL-340 USB to Serial driver is essential for making your USB to serial adapter work properly. This driver enables communication between your computer and serial devices using the popular HL-340 chipset.

HL Technology 3.4 2.5 MB

⬇️ Free Download

HL-340 USB to Serial Driver - Safe & Fast Download

2.5 MB File Size
3.4 Version
Free License

About This Software

The HL-340 driver is compatible with most versions of Windows including Windows 7, 8, 10, and 11. This driver transforms your USB port into a traditional serial port, allowing you to connect legacy devices like modems, printers, and industrial equipment to modern computers. The installation process is straightforward and typically takes just a few minutes. The driver supports data transfer rates up to 115.2 Kbps and works with both 32-bit and 64-bit systems.

Key Features

1
Supports Windows XP to Windows 11
2
Plug and play installation
3
Baud rates up to 115.2 Kbps
4
Compatible with most USB to serial adapters
5
Includes diagnostic tools for troubleshooting

How to Use

Download the driver package and run the installer as administrator. Connect your HL-340 USB to serial adapter to an available USB port. Windows will automatically detect and install the driver. Check Device Manager under Ports (COM & LPT) to confirm the COM port assignment.

Conclusion

Download the HL-340 driver now to connect your serial devices to your computer. If you encounter any issues, refer to our troubleshooting guide below.

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Frequently Asked Questions

Is the HL-340 driver compatible with Windows 11?

Yes, the HL-340 driver is fully compatible with Windows 11, including both 32-bit and 64-bit versions.

How do I fix 'driver not found' error?

Try installing the driver in compatibility mode for an older Windows version, or download the latest version from a trusted source.

What is the difference between HL-340 and CH340 drivers?

HL-340 and CH340 are chipsets from different manufacturers but are functionally similar. The HL-340 driver is specifically designed for adapters using the HL-340 chipset.