Example Code for micro:bit-Infrared Remote Control

Hardware Preparation

• Maqueen V5 Robot Car: 1 (Purchase Link: https://www.dfrobot.com/product-2937.html)
• micro:bit Mainboard: 1
• 3 AA Batteries: 1 set
• Infrared Remote Controller: 1 (Purchase separately)

The following table shows the buttons of the infrared remote controller and the corresponding key values for your reference:

The example effect is as shown in the following figure:

Software Preparation

• MakeCode Platform: https://makecode.microbit.org/
• Maqueen Library: Load via MakeCode Extensions (search for "dfrobot" and select "Maqueen")

Other Preparation Work

• Ensure the micro:bit mainboard is properly plugged into Maqueen V5.
• Install the batteries correctly.
• Turn on the power switch.
• Purchase an infrared remote controller (not included by default).

Sample Code

Example 1: Read the key value of the infrared remote controller

Program Description:
This example demonstrates displaying the received key value of the infrared remote controller on the serial monitor. The key value is displayed in decimal.

Example 2: Infrared remote control car

Program Description:

• This program demonstrates controlling the car to move forward, backward, turn left, turn right, and stop using an infrared remote controller.
• Press the "2" key on the remote controller, the car moves forward; the "8" key for backward; the "4" key for left turn; the "6" key for right turn; and the "5" key for stop.
  Program link: https://makecode.microbit.org/_cfkH1b0xgfkE
  

Result

• Example 1: Key values from the infrared remote are displayed on the serial monitor.
• Example 2: Car moves according to the infrared remote commands.