The Version 2 clocks can have the firmware upgraded by the user in the comfort of their own home!

Download the latest firmware file here: LatestFirmware

The download is a zip file with the latest firmware inside. The file type is 'uf2'

Save this file to an easy to remember safe place such as the desktop.

Connect to the clock using the configuration software send the Update command by entering U.

The clock responds with a message and goes into 'load' mode. There is a new ITSYBOOT drive on Windows Explorer.

You can drag the saved uf2 file to the drive to upload it. 

The clock will reset and start using the new firmware.

Please contact me if there is a problem.