# Adding external IMU on CubePurple

**URL:** <https://discuss.cubepilot.org/t/adding-external-imu-on-cubepurple/2833>\
**Category:** Cube Autopilot\
**Created:** [13 February 2020 17:30 UTC](https://discuss.cubepilot.org/t/adding-external-imu-on-cubepurple/2833 "2020-02-13T17:30:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mallikarjun\_SE](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/mallikarjun_se/32/7496_2.png) [@Mallikarjun\_SE](https://discuss.cubepilot.org/u/Mallikarjun_SE)\
**Post date:** [13 February 2020 17:30 UTC](https://discuss.cubepilot.org/t/adding-external-imu-on-cubepurple/2833/1 "2020-02-13T17:30:50Z")

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Has anyone tried adding an external IMU to CubePurple board via SPI or I2C?  
Since CubePurple is the undamped part of Cubeblack, is the flex cable pins available on CubePurple?  
Just wondering to make it a dual IMU redundant for my rover.

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**Author:** ![philip](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/philip/32/9035_2.png) [@philip](https://discuss.cubepilot.org/u/philip)\
**Post date:** [14 February 2020 06:36 UTC](https://discuss.cubepilot.org/t/adding-external-imu-on-cubepurple/2833/2 "2020-02-14T06:36:01Z")

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You can plug in an additional unit via the external plug, but better off with a black if you are doing that