Wires a 9-axis motion sensor to a bare Pico and shows live numbers proving a robot can sense which way it is turning.

Key part: 10-DOF IMU sensor board (kit photo still needed)
| Part (price) | Role |
| Raspberry Pi Pico ($4) | Microcontroller |
| HMC5883L / QMC5883L Compass | Sensor |
| MPU6050 | Sensor |
| MPU9250 | Sensor |
| 830-Point Breadboard ($1.10) | Breadboard |
| Micro-USB Data Cable ($2.50) | Power and programming cable |
Microcontroller listed first. Prices shown only where known; see the source book for quantities, wiring, and current prices.