OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Help: Repair of bricked openSprinkler PI › Reply To: Help: Repair of bricked openSprinkler PI January 22, 2017 at 9:44 pm #45273 RayKeymaster @Vip0r: OpenSprinkler Pi board does not output 3.3V — it only outputs 5V and it gets 3.3V from Raspberry Pi.