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Obstacle Avoiding Bluetooth Controlled DIY 4WD Robot Kit

The Obstacle Avoiding Bluetooth 4WD Robot Kit is an all in one kit complete with multiple functionalities for controllable car projects.


Availability: 41 in stock

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The Obstacle Avoiding Bluetooth 4WD Robot Kit is an all in one kit complete with multiple functionalities for controllable car projects.

The kit includes the following components:

  • 4 x Geared motor – the geared motors make the car move forward, backward, or sideward
  • 4 x Tire – the tires add grip on the track while the car is moving
  • 4 x Motor fixing – the motor fixings make sure that the motor is installed correctly
  • 2 x 255 x 160 x 3mm transparent acrylic glass plate – the transparent acrylic glass plate are stylish and light but strong making the car more durable
  • 1 x L298N motor driver – the L298N motor driver receives the signal from the microcontroller to move each of the motors in the car.
  • 1 x UNO328 controller board – the UNO328 controller board is the programmable microcontroller that can be programmed based on the user’s wants
  • 1 x sensor board – the sensor board is where all the sensors are connected to make the car chassis compact and easy to assemble
  • 1 x Holder kit – the holder kit holds the additional steering gear and ultrasonic sensor
  • 1 x Steering gear – the steering gear is a servo motor that moves the ultrasonic sensor from left to right
  • 1 x Ultrasonic module – the ultrasonic module is a sensor that detects obstructions that the car might crash into
  • 4 x Line inductive module – the Line inductive modules are used to make the car that follows a dark line
  • 1 x Infrared receiver module – the Infrared receiver module is used to receive commands from the MCU remote control
  • 1 x MCU remote control – the MCU remote control sends signal commands to the car to control the movements
  • 1 x Mini breadboard – the Mini breadboard can hold additional wirings for the car project to ensure easy assembly
  • 1 x DC 9V Battery holder – the DC 9V Battery holder is where the battery is safely installed, making it easy to replace when the battery is drained
  • 1 x Bluetooth adapter – the Bluetooth adapter receives the signal from your Bluetooth device that can send control signals to the car
  • 40 x Dupont line – Dupont lines are used to connect each component to one another
  • 1 x USB cable (100cm) – A USB cable is used to connect the Arduino to the pc when uploading the program
  • 13 x Copper pillar (6 x 35mm / 7 x 6mm) – copper pillars are used to give the distance between the top and bottom chassis
  • 1 x 3mm screws kit – 3mm screws kit are used to make sure that the chassis is tight and robust but still available for disassembly.



Geared Motor:

  • Gear Ratio: 1:120
  • No-load speed(3V): 50RPM
  • No-load speed(5V): 83RPM
  • Torque (3V): 0.8Kgcm
  • Torque (5V): 1.0Kgcm
  • Size: 69mm * 37mm * 23mm
  • Weight:30g


  • Wheel Outer Diameter: 65mm
  • Wheel width: 26mm
  • Internal material: ABS plastic
  • External material: Rubber
  • Single Weight: 36.33g


  • Current – Output / Channel: 2A
  • Current-peak output: 3A
  • Power supply voltage: 4.5V~46V
  • Working temperature: – 25℃~130℃

UNO328 Controller Board:

  • Operating voltage: 5V
  • Input voltage: 7-12V
  • Digital I/O port: 14 (6 PWM outputs) / 6-20V (limited)
  • Analog input port: 6
  • DC current: 40mA (I/O port) / 50mA (3.3V port)
  • Size: 75x55x15mm

Sensor Board:

  • Buckled 3 pin Analog connectors: 6 (A0 to A5)
  • Buckled 4 pin Serial IIC/UART interface: 1
  • Servo Headers: 12 (Digital Pin 0-13 with VCC and GND)
  • Aux headers: 6 (A0 to A5).

Steering Gear (Servo Motor):

  • Operating Speed: 0.12sec/60degree (4.8V) / 0.10sec/60degree (6V)
  • Stall Torque: (4.8V) /
  • Operating Voltage: 4.8V~6V
  • Control System: Analog
  • Direction: CCW
  • Operating Angle: 120degree
  • Required Pulse: 120degree
  • Bearing Type: 900us-2100us
  • Gear Type: Plastic
  • Motor Type: Metal
  • Connector Wire Length: 20cm

Ultrasonic Module:

  • Operating Voltage +5V DC
  • Operating Current: 15mA
  • Effectual Angle: <15°
  • Ranging Distance: 2cm – 400 cm/1″ – 13ft
  • Resolution: 0.3 cm
  • Measuring Angle: 30 degrees
  • Trigger Input Pulse width: 10uS
  • Dimension: 45mm x 20mm x 15mm

Line Inductive Module:

  • Operating voltage: DC 3.3V-5V
  • Operating current: > 1A
  • Operating temperature: – 10 – + 50 degree
  • Installation aperture: M3 screw
  • Detection distance: 1mm to 60CM adjustable
  • Size: 42mm×38mm×12mm (module) / 25 mm × 12 mm × 12 mm (sensors)
  • Output interface:6 wire system
  • Output Single: TTL Electrical level

MCU Remote Control with IR Receiver Module:

  • Operating Voltage: 5V
  • Frequency: 38KHz
  • Size: 8×4.5cm

Mini Breadboard:

  • Tie Points: 170
  • Colour: Random
  • Size: 3.8x5cm

Bluetooth Adapter:

  • Operating Voltage: 3.3V
  • Chip: Bluetooth chip BC417143
  • Antenna: Built-in
  • Maximum Baud rate: 1382400 bps



  • 1 x Obstacle Avoiding Bluetooth Controlled DIY 4WD Robot Kit


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We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.

The following shipping options available are listed below:

Australian Orders

  • Standard Shipping – Free (low cost / small products) – Sent via standard Australia Post stamped mail, 3 – 7 business days delivery depending on location, minimal tracking.
  • Standard Shipping – Free (higher cost / larger products) – Sent via Australia Post Parcel Service or Courier Service, depending on location and mailing address, 2 – 5 business days delivery, with full tracking.
  • Express Post – $12.00 (Cost may be higher depending on product size) – Sent via Australia Post Express Service, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Orders outside of metro orders can take 2+ days longer than the estimates stated above.

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International orders are shipped through Australia Post and Sendle courier service depending on the most economical at the time.

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More Information

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Obstacle Avoiding Bluetooth Controlled DIY 4WD Robot Kit

Availability: 41 in stock

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