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Getting Started with Raspberry Pi Zero by Richard Grimmett

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Moving the robotic hand

In order to move the servos, you'll use a servo controller similar to the one introduced in Chapter 5, Building a Robot That Can Walk, to control six servos that will control the fingers, thumb, and wrist. As in Chapter 5, Building a Robot That Can Walk, the servo controller you are going to use for this project is a simple servo motor controller using the USB from Pololu. However, since you only need to control five servos, you can order the six-servo controller version available at https://www.pololu.com. Here is an image of the unit:

Moving the robotic hand

Make sure you order the assembled version. This piece of hardware will turn the USB commands ...

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