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MiniQ 2WD Plus Control Board

SKU: DFR0302

The MiniQ 2WD Plus Control Board serves as a versatile, Arduino-compatible control board for robotics projects, eliminating the need for a prototyping board with its numerous built-in pads for component integration. It supports expansion through various interfaces, including Gadgeteer, enabling communication between multiple boards. Ideal for building two-wheel self-balancing robots or desktop robot cars, the board is equipped with an Atmega 32u4 microcontroller, ADXL345 accelerometer chip, ITG3205 gyroscope chip, and offers 23 digital I/O ports. It provides USB programming download capabilities, 7 PWM channels, Xbee interface, and 1-Wire Bus RGB light functionality, catering to a wide range of robotics applications.

Angled shot of MiniQ 2WD Plus extension deck with LEGO circuit board design.-DFRobot product sku:DFR0302 image.

Downloadable Resources

  • Docs
  • Tech Specs
    • 1. Example Code for Reading Acceleration & gyroscope

    This article explains how to use I2C-connected gyroscope and accelerometer sensors for precise angle measurement, addressing sensitivity challenges with angle correction and software filtering, and includes sample code for practical implementation.
    2. Example Code for RGB Light Control

    This article offers example code for controlling RGB LEDs using the WS2812B module within the MiniQ 2WD PLUS, showcasing dynamic lighting effects such as color wipes, theater chase, and rainbow animations, which are ideal for enhancing visual feedback in robotics projects.
    3. Example Code for MiniQ 2WD PLUS & MiniQ 2WD Dual-Board Robotic System

    This document explains how to program the MiniQ 2WD PLUS (host) and MiniQ 2WD (slave) dual-board robot over I²C. It includes setup steps and separate sketches to enable menu control, RGB/buzzer effects, battery monitoring, and four driving modes.
    Item Description
    Microcontroller Atmega 32u4
    Accelerometer chip ADXL345
    Gyroscope chip ITG3205
    Digital I/O port Total 23 (D17 is for RX LED)
    5V D/A port max current 40 mA
    Arduino compatibility Compatible with standard Arduino interface
    Program download Via USB
    PWM channels 7
    XBee interface 1 (Serial1)
    RGB light interface 1 (1-Wire Bus)
    Servo mounting 1 installing hole for 9g servo

    Board Overview

    Fig1: miniQ 2WD Plus

    Feature Description
    Power USB supply or External power supply
    RGB Light Integrated driver IC (WS2811), controlled via 1-Wire Bus
    D/A Input Interface Fully compatible with the Arduino Leonardo
    Reset Button Upgraded microswitch for a more comfortable tactile feel
    Gadgeteer Interfaces 2× Gadgeteer ports – connect to various Gadgeteer sensors and communicate with MiniQ 2WD
    Accelerometer Chip ADXL345
    Gyroscope Chip ITG3205
    Xbee Interface Supports wireless communication via XBee modules
    Servo Mounting Reservation Pre-drilled hole for installing a TowerPro SG90 micro servo
    UART Interface Reservation Reserved UART pins for serial communication expansion

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