OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › 1-wire conflicts with OSPi’s use of GPIO 4 › Re: Re: 1-wire conflicts with OSPi’s use of GPIO 4 June 17, 2014 at 3:52 pm #25120 RayKeymaster You are right, I accidentally typed an extra 17. I’ve corrected it. 17 (3.3V) is free. Actually it doesn’t matter because all 3.3V pins are internally connected so there is no issue with them being free or not.
