User manual

Wunderbar v2 23-10-17
2 Firmware upgrade
Wunderbar can connect to Conrad Connect once the firmware is upgraded
to V2 version. This process needs to be performed only once.
2.1 Windows
Two programs are required during firmware upgrade procedure:
1. Zadig [link] Automated Driver Installer GUI application which helps
installing correct USB drivers for Wunderbar
2. dfu-util [link] which is used to update firmware on Wunderbar
2.1.1 Upgrade procedure
1. Download and unpack dfu-util [link] to a folder on your computer. In
this example C:\wunderbar will be used.
Figure 1: Folder with dfu-util unpacked
2. Download firmware upgrade package from Conrad [link] and unpack
it to the same folder as dfu-util.
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