Example Code for micro:bit-Read Ultrasonic Distance
Last revision 2026/01/18
This guide details how to use a micro:bit and an ultrasonic module to measure distance, complete with hardware setup, Makecode programming, and practical examples for educational purposes.
Hardware Preparation
- Maqueen Lite-micro:bit Educational Programming Robot Platform x 1 (ROB0148)
- micro:bit board x 1
- SR04/SR04P Ultrasonic Module x 1
Software Preparation
- Makecode graphical online programming platform: makecode.microbit.org
- Maqueen library: Search for "dfrobot" in makecode extension and select "maqueen".
Wiring Diagram
Connect the ultrasonic module to Maqueen's ultrasonic interface (5V).
Other Preparation Work
Ensure the ultrasonic module is securely connected to Maqueen.
Sample Code
Screenshot of Makecode Graphical Program:
Makecode Program Link: https://makecode.microbit.org/_F1aHEWVaHgs3
Result
Additional Information
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