City Defender - A Police Car | Maqueen Plus V2 Getting started Tutorial 04

0 2511 Easy

There are so many city defender heroes in movies, and have you ever considered being one of them? Now let's turn this Maqueen Plus V2 into a city defender - a police car to make your dream come true!


1. Learn how to use the buzzer module

2. Learn how to use the RGB light module

Electronic Component

Command Learning

Hands-on Practice

Step 1 Create a New Project

1. Input into your browser to enter the MakeCode editor.

2. Click "new project" to enter the MakeCode programming interface.

3. Add the Maqueen Plus V2 library:

Step 2 Programming

1. Program the car to make it drive

Both motors move forward at the speed of 255.

2. Program the lighting effect

Since the lights on a police car emit red light and blue light alternatively, the next step here is to exchange the lighting color every 1s.

3. Program the siren

Play the built-in sound "dadadum" repeatedly to simulate the sound of a siren.

4. The whole program is shown below.

5. Name your project as "City Defender-A Police Car" and save it.

Step 3 Download Program

1. Connect to a computer: Connect the micro:bit to your computer with a USB cable before downloading. There will be a hard disk named "micro:bit" appearing in the computer when the connection is successful.

2. Download the program: Click "Download" to download your project into the micro:bit hard disk.

3. Plug in the micro:bit board: After downloading the program, unplug the USB cable and plug the micro:bit board into Maqueen Plus V2.

Step 4 Effect Display

Turn on the power switch, then Maqueen Plus V2 moves forward with siren wailing and lights flashing, just like a police car.

Think & Explore

We have learned how to play the built-in music in MakeCode. Do you want to make a piece of your music? Try it with Maqueen Plus V2. The block shown below is used to play notes.

Click Buy micro:Maqueen Plus V2 (Ni MH Rechargeable Battery) - an Advanced STEM Education Robot for micro:bit - DFRobot

Click Buy micro:Maqueen Plus V2 (18650 Battery) - an Advanced STEM Education Robot for micro:bit - DFRobot

Engage in learning the next Robot project:Light Sensing Robot

Engage in learning the previous Robot project : Walking Emoji


All Rights