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BeagleBone Robotic Projects by Richard Grimmett

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Using a motor controller to control the speed of your platform

The first step to make the platform mobile is adding a motor controller. This allows us to control the speed of each wheel (or track) independently.

Prepare for lift off

Before you get started, let's spend some time understanding the basics of the motor control. Whether you chose the two-wheeled mobile platform or the tracked platform, the basic movement control is the same. The unit moves by engaging the motors. If the desired direction is straight, the motors run at the same speed. If you want to turn the unit, the motors run at different speeds. The unit can turn in a circle if you run one motor forward and one backwards.

DC motors are fairly straightforward devices. The speed and ...

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