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Visitor II
November 19, 2017
Question

Low power accelerometer with shake detection

  • November 19, 2017
  • 1 reply
  • 992 views
Posted on November 19, 2017 at 02:58

Hello,

Is there any low power compact accelerometer available from ST that can or configured to auto detect a shake like iPhone 'undo/redo shake' and interrupt host MCU to wake up. I don't want process accelerometer raw values on the MCU to save power. My current MCU is TI's CC2640.

Thanks, 

#shake-wake
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    1 reply

    ST Employee
    November 20, 2017
    Posted on November 20, 2017 at 10:31

    I'm ST doesn't have accelerometer with embedded shake detection at this moment, but should release it soon.

    Visitor II
    December 14, 2017
    Posted on December 14, 2017 at 17:15

    ​

    How soon? You just released LIS2DW12.

    And we've been waiting for it quite a bit of time

    ST Employee
    December 14, 2017
    Posted on December 14, 2017 at 21:23

    I'm not marketing guy

    :)

    but I will try to get more precise information.

    Meanwhile do you realy need to recognize specific shake movement? Please be aware that our sensors has wake-up, or activity/inactivity detection which can be used for example to wake-up main device microcontroller.