OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Q: using 12VDC or 24VDC valves › Re: Re: Q: using 12VDC or 24VDC valves December 26, 2013 at 2:59 pm #25871 RayKeymaster Sorry I got confused and didn’t notice this is referring to OSPi. The current OSPi version (v1.3) does not have MOV or TVS installed on the board, so in addition to replacing triacs with transistors, you also need to add flyback diodes.
