Let's get started by preparing our tool box with the following hardware:
- One Zumo chassis kit (no motors), about US $19.95 at https://www.pololu.com/product/1418
- Two 100:1 micro metal gear motors HP 6V, about US $15.95 each at https://www.pololu.com/product/1101
- One H-bridge motor driver - SN754410 breakout board, about US $34.95 at http://pcbgadgets.com/index.php?route=product/product&product_id=64
- Aluminum standoff: 1/4" length, 2-56 thread, M-F (four-pack), about US $1.29 at https://www.pololu.com/product/1940
- Aluminum standoff: 3/4" length, 2-56 thread, M-F (four-pack) about US $1.39 at https://www.pololu.com/product/1943
- Machine screw: M3, 5 mm length, Phillips (25-pack) about US $0.99 at https://www.pololu.com/product/1075
- Two 0.1µF ceramic capacitors
- Four rechargeable NiMH AA batteries (each 1.2V, 2200 mAh)
- One USB battery pack for the Raspberry Pi, 10000 mAh with 2...