OpenSprinkler Forums Hardware Questions DIY Kit Assembly Questions What is the parameters of TVS1 – TVS16 for Expansion Board

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  • #39339

    Kalin
    Participant

    Hello,

    This is my first post. So. Great Project at all! Thank you Ray.
    I plan to use only expansion board with Raspberry PI!
    But didn’t find what elements to use for TVS1-TVS16 based on this schematic : https://github.com/rayshobby/opensprinkler/blob/master/Expansion%20Board/exp20.png
    I’m from Bulgaria, so I can order elements from Farnell.
    I plan to use only expansion board, because its simple and minimum hardware to do the job. I don’t need power module, RTC, relay and A/D converter.

    And one more question.
    Based on OSPI v1.4 board, in my setup (RPI + Exp Board 2.0) , I need to connect one of the lines of 24VAC to GND to work? I hope this will not affect the RPI.

    Thanks in advance.

    • This topic was modified 4 years, 4 months ago by Kalin.
    • This topic was modified 4 years, 4 months ago by Kalin.
    • This topic was modified 4 years, 4 months ago by Kalin.
    #39352

    Ray
    Keymaster

    The part number for the TVS is SMBJ48CA

    #39368

    Kalin
    Participant

    Thank you Ray.

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OpenSprinkler Forums Hardware Questions DIY Kit Assembly Questions What is the parameters of TVS1 – TVS16 for Expansion Board