OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Issues uploading new OS firmware › Reply To: Issues uploading new OS firmware
April 30, 2015 at 12:33 pm
#37253
Ray
Keymaster
OK, I am a bit surprised that it’s adding -D, because it should usually do a flash erase before uploading a new firmware. Alternatively, try or OpenSprinkler Firmware Updater, which is basically a GUI wrapper for the avrdude command.