Bump Switch Bot
A robot that detects walls with simple microswitches mounted on the front instead of complex sensors, an idea from Dan's friend Michael York.
Bump Switch Bot
Key Features
- Uses the Bump / Limit Switch
- Uses the Raspberry Pi Pico RP2040
Key Benefits
- Free, open lessons. The STEM Robots textbook has the kit page, wiring, and MicroPython code.
- Try before you build. An interactive MicroSim on the kit page runs in the browser.
- Budget. About $20 (base robot $19 plus microswitches under $1).
Parts
| Part (price) | Role |
| Raspberry Pi Pico ($4) | Microcontroller |
| Bump / Limit Switch | Input button / switch |
| 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.
About this kit: The microswitches cost under $1.
Source: STEM Robots
Source: STEM Robots