Temperature / Pressure Reading Too High

Forums Technical Support for BerryIMU Temperature / Pressure Reading Too High

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  • #8184
    pi_user
    Participant

    Saw one other post without resolution on this, but I'm seeing too high of expected readings from my BerryGPS-IMUv3, specifically temperature and pressure. Temperature seems to be fairly consistent at ~85 F, when at the moment it should be around 65-70 at most.

    Pressure is also reading very high at ~1017 hPa, which puts me around 117 ft below sea level. I live just about at sea level, roughly 6 ft above.

    While I'm not using the device for mission critical reasons, it also wasn't particularly cheap - just wondering if there's any basic troubleshooting I could do or if there are known calibration offsets to use.

    For what it's worth, this is attached to a Raspberry Pi Zero W, and I'm using the following settings:

    CTRL_MEAS: 0x2F (Temperature OS x1, Pressure OS x4, Normal Mode)

    CONFIG: 0xB0 (Standby 1000ms, Filter 16)

    #8191
    Mark Williams
    Keymaster

    Are you using the code from here?

    http://github.com/ozzmaker/BerryIMU

    And is it the BMP180 or BMP280?

    Mark --OzzMaker.com --

    #8193
    pi_user
    Participant

    It's the BMP280. And yea, I copied the code from there. Here is a gist of my impl: https://gist.github.com/ryanleesmith/076f206370635a0f331a304f6b8abdbf

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