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MiniQ 4WD Robot

MiniQ 4WD Robot
MiniQ 4WD Robot MiniQ 4WD Robot MiniQ 4WD Robot
Brand: DFRobot
Product Code: BR010117
Availability: In Stock
Price: $97.55
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The MiniQ 4WD Robot is a complete assembled robot with an Arduino compatible brain.

This robot has a full set of sensors to play with: wheel encoders, IR infrared line and edge tracking sensors and light sensors. This robot also has 3 user push buttons to make it easy to select modes and options and a buzzer for the little beeps and boops that every friendly robot since R2D2 must master.

A set of four motors drives this robot at speeds up to 28 inches (72 cm) per second. Each motor has an encoder for feedback. An IR Infrared remote control comes with the set that can be used to command your robot from a distance. The robot also has the ability to send IR commands. Two or more of the MiniQ robots can talk to each other using IR.

This is not a remote controlled toy but a real robot that you program yourself. It uses the popular ATMega328P microcontroller and is fully Arduino compatible.

This robot comes in a nice plastic box with a mini USB cable and infrared remote. All you need to add is a set of 4 AA batteries.


Download the latest Arduino IDE and choose "Arduino Nano w/ ATmega328" from the Tools->Board menu and select the appropriate Serial Port. You can now program the robot as an Arduino.

  1. Before programming the 4WD MiniQ Robot, make sure to have 4 fully charged batteries in place. The robot runs on batteries during programming.
  2. Connect it to your computer using the included Mini USB cable and install the USB drivers from the link below. The computer will recognize it as a serial port.
  3. Press the "PWR On" button to turn on the robot. You will see a blue light on the bottom of the robot.


File downloads

Hardware details

Pin Assignments
Adruino ATmega328P Description
D0 PD0(RXD) Serial RX
D1 PD1(TXD) Serial TX
D2 PD2(INT0) Wheel encoder
D3 PD3(INT1) Wheel encoder
D4 PD4(XCK/T0) Left motor direction
D5 PD5(T1) Left motor enable
D6 PD6(AIN0) Right motor direction
D7 PD7(AIN1) Right motor enable
D8 PB0(ICP) Infrared receiver
D9 PB1(OC1A) Left infrared transmitter
D10 PB2(*SS/OC1B) Right infrared transmitter
D11 PB3(MOSI/OC2) Buzzer
D13 PB5(SCK) Green LED
A0 PC0(ADC0) Line tracking/edge detection sensor 1
A1 PC1(ADC1) Line tracking/edge detection sensor 2
A2 PC2(ADC2) Line tracking/edge detection sensor 3
A3 PC3(ADC3) Line tracking/edge detection sensor 4
A4 PC4(ADC4/SDA) Ambient light sensor
A5 PC5(ADC5/SCL) Three key analog buttons
A6 ADC6 Battery voltage level
A7 ADC7 Line tracking/edge detection sensor 5


Other notes


  • Pot W1 adjusts the balance left and right light sensors.
  • Pot W2 adjusts the balance between left and right infrared transmitters.

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