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On this page you can download latest software and firmware packages for DLN-series adapters.

DLN-Series Adapters Software (DLN-1, DLN-1C, DLN-2, DLN-2C, DLN-4M, DLN-4MC, DLN-4S, DLN-4SC)

DLN Setup Package

DLN setup package contains drivers, executables, libraries for customer software development, demo examples and documentation files.

MS Windows XP, Vista, 7, 8/8.1, 10 (x86/x64)

PackageVersionDateKey Features
dln.3.4.0.exe [zip]3.4.025 August 2016Added console applications for GPIO, SPI Master and I2C Master modules.

View older releases.

Linux (x86/x64) - Ubuntu, Fedora, Red Hat, CentOS

PackageVersionDateKey Features
linux_setup.2.0.0.zip2.0.028 April 2014

Archive contains driver, dln_server and library for operating with DLN-series adapters in Linux.

It also contains test examples source code.

For installation instructions read readme.linux inside archive or read the related article Software & Hardware Installation in Linux.

DLN Device Firmware Update

With the help of firmware package you can update your DLN-series adapter firmware.

Firmware PackageLatest Firmware VersionLatest Release Date
fw_update.exe [zip]DLN-1 -
DLN-2 -
DLN-4M -
DLN-4S -
25 May 2016

DLN-2-U2C Software

DLN-2-U2C (U2C-12) Software Package

MS Windows XP, Vista, 7, 8/8.1, 10 (x86/x64)

PackageVersionDateKey Features
I2CBridge.1.0.0.exe [zip]1.0.012 Nov 2013

Driver was updated to correctly install DLN-2-U2C (U2C-12) device in Windows 8 and Windows 8.1 operating systems.

Full support for x64 platform.

Linux FreeBSDNetBSDOpenBSDDarwinMacOS

PackageVersionDateKey Features
i2c_bridge-0.2.3.tar.gz0.2.38 Sep 2011

Added support for DLN-2 devices in U2C-12 compatibility mode.

U2C-12 Device Firmware Update (Original boards)

PackageLatest Firmware VersionLatest Release Date 
u2c_fw22.exe [zip]4.2203 May 2012 

U2C-12 Device Firmware Uploader

With the help of "U2C-12 Compatible Device Firmware Uploader" you can convert DLN-2 adapter to U2C-12 compatible device. For additional instructions, read U2C-12 Compatibility with DLN-2 Adapter article.

PackageLatest Firmware VersionLatest Release Date 
dln_2_u2c.exeDLN-2-U2C - 4.304 Oct 2013 


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