Example Code for micro:bit-IR-controlled
Last revision 2026/01/14
This guide offers example code and setup instructions for controlling a micro:bit with an infrared remote, using both basic and optimized programs to maneuver the Maqueen Plus V2 robot efficiently.
Hardware Preparation
- Maqueen Plus V2
- micro:bit V1/V2
- Infrared Remote Control
Software Preparation
Wiring Diagram
IR Receiver is built-in.
Other Preparation Work
- Complete the Quick Start Guide steps.
- Have the infrared remote control ready.
Sample Code
Basic Program Link: https://makecode.microbit.org/_7aThcFKAjDqL

Optimized Program Link: https://makecode.microbit.org/_MsvFPPVWKbqT

Result
Basic: Press 2 (forward), 4 (left), 6 (right), 8 (back).
Optimized: Press 4/6 for short turns, 8 stops the car.
Additional Information
Key values (decimal) for the infrared remote control:

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