Keyestudio KS0520 4DOF Mechanical Arm Robot Car Kit – Arduino Compatible

The Keyestudio KS0520 4DOF Mechanical Arm Robot Car Kit is an Arduino-compatible robotics platform designed for learning embedded systems and automation. It integrates a mobile smart car with a 4-axis robotic arm, controlled via Bluetooth, gamepad, or autonomous programming modes. Built with a TB6612 motor driver and multiple sensors, it ensures stable performance and reliable motion control. The system supports functions such as line tracking, obstacle avoidance, ultrasonic following, and maze navigation. Ideal for robotics education, STEM projects, and advanced prototyping.

• 1 × Arduino UNO R3 
  
• 1 × Bluetooth Module
  
• 1 × Ultrasonic Sensor (HC-SR04)
  
• 1 × Sensor Shield / Expansion Board
  
• 1 × USB Cable
  
• 1 × Remote Controller (Gamepad style)
  
• 2 × DC Gear Motors (TT motors)
  
• 2 × Wheels
  
• 1 × Ball Caster Wheel
  
• 4 × Servo Motors (SG90 or similar)
  
• 1 × Pan-Tilt Servo Bracket
  
• 1 × Line Tracking Sensor Module
  
• 1 × Battery Holder
  
• 1 × Power Cable
  
• 1 × Acrylic Chassis Plate
  
• Additional Acrylic Mounting Parts
  
• Jumper Wires (Male-to-Male, Male-to-Female, Female-to-Female)
  
• Assorted Connecting Wires
  
• Screws (Assorted Sizes)
  
• Nuts
  
• Spacers
  
• Brass Standoffs
  
• 2 × Screwdrivers
  
• Robot Arm Plastic Parts (Links and Joints)
  
• Mechanical Mounting Parts

• Arduino UNO R3 compatible control system
  
• Integrated 4DOF robotic arm with servo control
  
• TB6612 motor driver for efficient DC motor control
  
• Multiple control modes: Bluetooth, gamepad, autonomous
  
• Ultrasonic sensor for distance measurement and obstacle detection
  
• Line tracking module for path-following applications
  
• Acrylic chassis with modular mounting design
  
• Supports Android and iOS Bluetooth app control
  
• No soldering required for assembly
  
• Expandable sensor interface via sensor shield
  
• TT gear motors with stable speed performance
  
• Pan-tilt mechanism for precise arm positioning
  
• Mechanical structure with high durability materials
  
• Supports C language programming via Arduino IDE
  

• Working voltage: 5V DC
  
• Input voltage: 7–12V DC
  
• Maximum output current: 3A
  
• Maximum power dissipation: 25W (T = 75°C)
  
• Motor type: TT DC gear motor
  
• Motor speed: 63 RPM @ 5V
  
• Motor driver: TB6612
  
• Ultrasonic sensing angle: <15°
  
• Ultrasonic detection distance: 2–400 cm
  
• Bluetooth control distance: 20–50 m
  
• Servo motor type: SG90 or equivalent
  
• Degrees of freedom: 4DOF robotic arm
  
• Chassis material: Acrylic
  
• Control methods: Bluetooth, gamepad, autonomous modes
  
• Compatibility: Arduino UNO R3 and Arduino IDE
  

• Keyestudio KS0520 4DOF Mechanical Arm Robot Car Kit Tutorial

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