OpenSprinkler › Forums › OpenSprinkler Unified Firmware › unknown device › Reply To: unknown device
January 25, 2015 at 2:40 pm #35372
“Device signature = 0x000000” often occurs when the USBtinyISP programmer fails to communicate with the microcontroller properly. This could be because the fuse bits have been changed for some unknown reason. Given the situation, I think the best solution is for you to mail it back to us so we can check the issue for you. You can send an email to [email protected] to arrange for return.