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OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Raspberry Pi Powering

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  • September 16, 2013 at 4:37 pm #22640

    riddler
    Member

    How is the Raspberry Pi powered from the OpenSprinkler? Am I reading the schematic right that it is powered by 5v from OpenSprinkler to the 5v GPIO header?

    I’ve read it is inadvisable to power the rPi from the 5v GPIO header because it bypasses the F3 polyfuse. Are there any measures to keep voltage from not going over 5v and burning out the rPi over the GPIO header?

    September 17, 2013 at 3:54 am #25550

    Ray
    Keymaster

    OpenSprinkler Pi’s 5V line has an on-board 1A PTC fuse followed by a 5.6V zener diode.

    November 30, 2013 at 8:18 am #25551

    Michael
    Member

    Here is an interesting option …..

    viewtopic.php?f=28&t=411

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OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Raspberry Pi Powering