Line Follower Bot
A robot that follows a line on the floor using TCRT5000 IR reflectance sensors.
Key part: TCRT5000 IR sensor module (kit photo still needed)
Key Features
- Lab: Line Follower Bot
Key Benefits
- Free, open lessons. The STEM Robots textbook has the kit page, wiring, and MicroPython code.
- Real-world data. Students read sensors and turn measurements into decisions.
- Budget. About $21 (base robot $19 plus two TCRT5000 sensors about $1 each).
Parts
| Part (price) | Role |
| Raspberry Pi Pico ($4) | Microcontroller |
| Cytron Maker Pi RP2040 | Microcontroller |
| 10K Potentiometer | Input knob |
| TCRT5000 IR Reflectance Sensor | 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.
About this kit: From the STEM Robots collection.
Source: STEM Robots
Source: STEM Robots