Example Code for micro:bit-Open Car Light
Last revision 2026/01/14
This article provides a comprehensive guide on how to program car lights using a micro:bit and MakeCode. It includes hardware and software requirements, a wiring diagram, and step-by-step instructions on loading necessary libraries and executing sample code to make the car lights blink.
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:
- Click the link: Microsoft MakeCode for micro:bit (microbit.org), enter the MakeCode graphical online programming platform.
- Click "New Project" on the platform to create a new project.
- Name the project as you want, for example, name it "maqueen1" and click "Create" to confirm.
- Click the Settings icon in the upper right corner and click "Extensions" in the drop-down menu.
- Search the MakeCode Extensions for "dfrobot" and select "maqueen".
- Load neopixel library in the MakeCode Extensions by the same way.
Sample Code
Code Idea: turn on the left and right car lights, then turn off them after waiting for 1s, and repeat it.
Code URL: https://makecode.microbit.org/_YsgWhr2LaDcj
Code File: maqueen1.hex
Code Screenshot:
Result
The 2 red car LEDs of Maqueen begin to blink at 1-second intervals.
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