OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Crashing pi when turning on valves › Re: Re: Crashing pi when turning on valves November 6, 2013 at 2:34 am #25752 RayKeymaster As KanyonKris mentioned, you can unplug the 3-wire cable (which provides +5V to RPi), and power RPi with a USB cable. The 8-pin cable has a ground wired, so as long as you leave the 8-pin in, the ground is shared.
