Maqueen Plus V3 - STEM Educational micro:bit Robot with Matrix Laser Ranging (18650 Battery)

SKU: MBT0050-18650

Maqueen Plus V3 addresses the limitations of traditional STEM robot education by offering advanced features for competitions, fostering creativity, and enabling fair and objective student assessment.

Overview of Maqueen Plus V3 - Advanced Laser Navigation STEM Robot for Student Competitions
  • Docs
  • Tech Specs
  • Courses
  • 1. Getting Started

    This comprehensive guide covers the safe use and installation of AA and 18650 batteries for Maqueen Plus V3, detailing battery types, safety precautions, storage instructions, and programming tutorials with MakeCode to ensure optimal performance and user safety.

    2. Example Code for Starting Maqueen Plus V3

    This article offers practical example code for programming the Maqueen Plus V3 robot to move forward at a specified speed and control its RGB vehicle lights using the MakeCode Editor, providing insights into hardware and software setup for optimal performance.

    3. Example Code for Car Turning and RGB Light Control

    This article explains how to control car turning using differential motor speeds and advanced RGB lighting setups, featuring the Maqueen Plus V3 and optional micro:bit V2 buzzer activation.

    4. Example Code for Quick Line Tracking

    The article provides an example code for the Maqueen Plus V3 robot to follow a black line using a built-in line-tracking algorithm, allowing micro:bit to handle additional tasks like obstacle avoidance and music while showcasing vehicle lights with seven colors and customizable RGB LED settings.

    5. Example Code for Regular Line Tracking Program

    The article showcases example codes for Maqueen Plus V3's line tracking program using digital and analog sensors, explaining hardware and software setup, logic overview, and result interpretation for precise robot navigation.

    6. Example Code for PID Control and Vehicle Speed Detection

    This article demonstrates how Maqueen Plus V3 uses magnetic encoders for PID-controlled motion and real-time speed feedback, with example code for autonomous and sensor-driven behaviors.

    7. Example Code for Light Sensor – Light-Avoiding and Light-Chasing Robots

    This project shows how to use light sensors on the Maqueen Plus V3 robot to create light-following or light-avoiding behaviors, with example code and basic setup instructions for educational robotics projects.

    8. Example Code for Infrared Remote Control

    This article demonstrates how to use infrared remote control with Maqueen Plus V3 robot by decoding IR signals and mapping them to actions like moving and turning. It includes example codes for reading remote signals and controlling the robot, facilitating custom programming and enhancing user interaction with robots.

    9. Example Code for Intersection Recognition

    This project demonstrates hardware-level intersection recognition on the Maqueen Plus V3, enabling simple and reliable autonomous navigation using MakeCode.

    10. Example Code for Matrix Laser Ranging Sensor

    This article demonstrates how to use the Matrix Laser Ranging Sensor on Maqueen Plus V3 for accurate obstacle detection and autonomous behaviors with example code.

    Function difference table of Maqueen Plus V2 / V3

    Name Maqueen Plus V2 Maqueen Plus V3
    WS2812 RGB ×4
    Infrared receiving sensor×1
    Bottom acrylic protection
    Buzzer×1
    Line-tracking sensor calibration function
    Ultrasonic distance sensor Upgrade to matrix lidar
    LED Car headlights ×2 Upgrade to RGB lights
    RGB Car headlights ×2 ×
    Matrix laser sensor ×
    Light sensor ×2 ×
    Motor encoder and PID control ×
    Chip-level built-in line-tracking function ×
    Chip-level built-in intersection recognition function ×
    The motor is detachable ×
    Special voltage stabilizing circuit for the motor ×
    The firmware is upgradable ×
    Adjustable-angle metal bracket ×
    Whether it supports the unihiker Board K10 ×
    Does the user need to assemble ×

    Product Parameters

    Power Parameters

    Parameter Specification
    AA Battery Version 3.5V – 6V (4 × AA: 1.5V alkaline or 1.2V Ni-MH)
    18650 Battery Version 3.5V – 4.2V (1 × rechargeable 18650 Li-ion)
    Charging Port TYPE-C / MicroUSB
    Charging Voltage 5V 1A
    Battery Reverse Connection Protection Supported
    Battery Level Display 5-segment digital tube
    Charging Indicator Digital tube: red during charging, green when fully charged; supports charging while powered off

    Line-Tracking Sensor

    Parameter Specification
    Number of Sensors 5
    Calibration Button 1
    Output Type Switching quantity / Analog quantity
    Intersection Recognition Crossroad, T-shaped, Right+Straight, Left+Straight (4 types)
    Built-in Line-Tracking Function Supported
    Built-in Line-Tracking Speed Levels 5 gears (Level 1 – 5)

    RGB Light

    Parameter Specification
    WS2812 RGB LEDs 4
    WS2812 Color Range R255 × G255 × B255 (16.7 million colors)
    RGB Car Lights 2
    Car Light Colors Red, Green, Yellow, Blue, Purple, Cyan, White

    Light Sensor

    Parameter Specification
    Number of Sensors 2
    Data Range 0 – 1023

    Matrix Laser Sensor

    Parameter Specification
    Number of Sensors 1
    Supply Voltage 3.3V – 5V
    Data Interfaces I²C / UART / USB
    Physical Interfaces PH2.0-4P (Gravity) / TYPE-C
    Matrix Size 8×8 (64 measurement points)
    Function Modes Matrix measurement mode / Intelligent obstacle avoidance mode
    I²C Address 0x30 / 0x31 / 0x32 / 0x33 (4 selectable)
    Firmware Update Via USB
    Ranging Mode Continuous
    Ranging Speed 15 Hz
    Ranging Range 20 mm – 4000 mm
    Ranging Accuracy • 20–200 mm: ±11 mm (white), ±12 mm (light gray/gray)
    • 200–4000 mm: ±5% (white), ±6% (light gray/gray)
    Field of View Horizontal 60°, Vertical 60°, Diagonal 90°
    Laser Safety Class 1 (eye-safe)

    Motor

    Parameter Specification
    Number of Motors 2
    Motor Model N20 metal gear motor
    Motor Interface PH2.0-2P
    Motor Power Supply Independent 5V regulated supply
    Disassembly Method Screw-fixed (M3 screws)

    Motor Encoder and PID

    Parameter Specification
    Encoders 2
    Sensing Method Magnetic induction
    Encoder Resolution 4-line
    PID Control Capabilities Distance control (±2 cm), Angle control (±5°)
    Speed Measurement Unit Centimeters per minute (cm/min)

    Infrared Receiver and Buzzer

    Component Quantity
    Infrared Receiver Sensor 1
    Buzzer 1

    Expansion Interface and Other Configurations

    Parameter Specification
    Metal Bracket Parts 2
    Adjustment Axis 1-axis
    Adjustment Angle Range 270°
    Bracket Fastening 4 × M3 hand-twisted metal screws
    PCB Threaded Mounting Holes 2
    Firmware Upgrade 1 button + interface
    Extended GPIOs 14
    Bottom Protection 1 × acrylic plate

    Safety Precautions

    Since Maqueen Plus is a STEM education product and is presented in a bare - board form, the following safety precautions should be noted during use:

    1. The use of batteries must strictly comply with the battery usage methods and safety precautions. Otherwise, it may damage the product and cause risks such as overheating and combustion.
    2. Do not touch the product, especially the circuit board part and the battery part, with sharp objects like screwdrivers. This is to avoid damaging components or causing danger.
    3. Do not touch the product's circuit board with metal objects to prevent short - circuits, which can damage the product and lead to risks such as overheating and combustion.
    4. The product is not waterproof and should not come into contact with liquid substances such as water and beverages. If liquid is accidentally spilled on the product, immediately turn off the power and remove the battery. Only attempt to power it on after the moisture has completely dried.
    5. When storing the product, do not stack multiple products together to avoid component damage, and even the risk of power short - circuits, which may cause fires and personal injury.

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