User Manual
SARK-110-ULM User’s Manual
Rev 1.0 June 22
th
, 2019 - 56 - © 2019, Melchor Varela – EA4FRB
Module firmware update
The firmware version of the module can be check from the Computer Control mode and with the
Bluetooth interface selected. The different versions and release notes are available in the
Microchip’s website. In the screenshot below the version is V1.30.
To update the module firmware, perform the following steps:
1. Download the firmware update images from Microchip’s website and extract the
contents.
2. Connect the SARK-110-ULM to a computer using a USB cable.
3. Install the SARK110ULM_BTOOL.dfu firmware.
4. Power-on the SARK-110-ULM and select “Programming mode”.
5. Launch the IsUpdate application as shown in:










