OpenSprinkler › Forums › Hardware Questions › OpenSprinkler › OS v2.0 w/Firmware v2.0.4 & Trying to Upgrade to v2.1.7.. lost. Help plz › Reply To: OS v2.0 w/Firmware v2.0.4 & Trying to Upgrade to v2.1.7.. lost. Help plz
The video instructions are obsolete. Since we haven’t updated the firmware updater for a few years, it no longer runs on many operating systems. Instead, just use avrdude and follow the command line instructions. (The updater is simply a GUI for the same command line instructions).