OpenSprinkler › Forums › Comments, Suggestions, Requests › Dead Man circuit › Re: Re: Dead Man circuit March 5, 2013 at 5:13 pm #23401 RayKeymaster That’s a good suggestion. I am planning to use mcu’s watchdog timer for this. The very first version of the firmware actually did use watchdog timer to prevent deadlocks. But I removed it later. The shift register is now refreshed every second.
