Crazy Robotics Idea - Assisted Steering Bicycle

[JamesCH95]

Cell phone vibrator motors might be a good place to start.

[PAR_WIG1350]

Originally Posted by JamesCH95

Cell phone vibrator motors might be a good place to start.

Or any motor really, drill a hole in a chunk of matter, away from its center of mass, and press fit it onto the shaft. This will allow you to experiment with different motors and counter weights (and thus different frequencies and magnitudes of oscillation).