Example Code for micro:bit-Sound-controlled Maqueen
This article showcases example code for using micro:bit to control Maqueen's RGB LED through sound, detailing hardware and software setup, coding instructions, and the resulting interactive LED color changes and pattern displays.
Hardware Preparation
- Maqueen Lite x1
- micro:bit V1/V2 x1
- MicroUSB cable x1
Software Preparation
- Programming Platform: makecode
- Libraries: maqueen, neopixel
Wiring Diagram
No additional wiring is required except inserting the micro:bit into Maqueen Lite.
Other Preparation Work
- Load MakeCode Graphical Library for Maqueen as described in the previous example.
- Use a micro:bit V2.0 or later.
Sample Code
Effect: clap hands to command RGB LED on the bottom of Maqueen car, clap hands once to change a color and the micro:bit LED matrix displays a different pattern.
Code URL: https://makecode.microbit.org/_50h4LHPqj4FA
Code File: maqueen11.hex
Code Screenshot:
Result
clap hands in proper order to make the bottom RGB LED show red, orange, yellow, green, blue, purple and white colors, and the LED matrix display different patterns successively.
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