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Mastering BeagleBone Robotics by Richard Grimmett

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Using a servo controller to control the servos

To make your quadruped walk, you will first need to connect the servomotor controller to the servos. The servo controller you are going to use for this project is a simple servomotor controller utilizing USB from Pololu (Pololu item number 1354, available at pololu.com) that can control 18 servomotors. Here is an image of the unit:

Using a servo controller to control the servos

Make sure that you order the assembled version. This piece of hardware will turn USB commands from the BeagleBone Black into signals that control your servomotors. Pololu makes a number of different versions of this controller, each able to control a certain number of servos. ...

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