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Originally Posted by MikeWasHere05
What I need is a gyroscope, although of all the researching I've done of balancing robots people have used both gyroscopes and accelerometers. Will just a gyroscope be sufficient? Does anyone know a good/cheap gyroscope/accelerometer that I would need?
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This is the classic
inverted pendulum problem that is given to countless college students each year. You'll need to implement a
Kalman filter that'll filter noise, perform sensor fusion and spit out a state estimation. As you've already found out, you'll need a gyro and an accelerometer that's sensitive down to zero Hertz (i.e., gravity).
Sparkfun has a gyro/accelerometer board that looks good. The part number is ACL-IMU-203.
-Kevin