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I've used the MPU6050 to build a two-wheel self balancing robot (roughly this: https://www.instructables.com/Arduino-Self-Balancing-Robot-1...). Basically, apply PID to the motor angle to keep the robot level with the gravity vector.

I still think MEMS sensors are very cool and extremely convenient/cheap for what you get.



Nice!

I've done some projects myself with MPU6050 and some with its 9-axis "bigger brother" the MPU9250 (same as 6050, but with added 3-axis magnetometer/compass). I've also used the LSM9DS1 — another 9-axis IMU, just a different chip.

— Yeah, definitely amazing tech for the price. Cheap as chips! /me gets coat.

Ingenuity, the Mars helicopter/drone, apparently includes a bunch of off-the-shelf kit like this — IIRC I think a bunch of the parts are made by SparkFun. I don't recall any specifics though.




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