Robot Arm 3 DOF Degrees Of Freedom Complete

Robot Arm 3 DOF Degrees Of Freedom Complete is a fully assembled mechanical robotic arm kit designed for precision motion control, educational training, automation research, and advanced robotics projects. This complete set includes a total of five servo motors: four MG995 high-torque metal-gear servos and one SG90 micro servo dedicated to the gripper. The combination of strong structural components and reliable servos makes this kit a new and rare solution for robotics enthusiasts who require both durability and smooth operation.

This robotic arm offers three primary degrees of freedom, enabling it to perform a wide range of movements across different axes. Whether used in schools, universities, workshops, or research labs, the system provides an ideal foundation for learning about kinematics, automated control, and mechatronic design. Because it comes with all essential mechanical parts and servo motors pre-matched, users can focus directly on programming, testing, and integration with microcontrollers such as Arduino, ESP32, or Raspberry Pi.

Key Features

• Complete robotic arm kit with 3 Degrees of Freedom (3 DOF).

• Includes 4 × MG995 metal-gear high-torque servo motors.

• Includes 1 × SG90 micro servo for the gripper mechanism.

• Smooth and stable movement suitable for precise control tasks.

• Ideal for robotics education, prototyping, and automation experiments.

• New and rare high-quality kit with excellent performance.

• Compatible with multiple control platforms and PWM drivers.

Applications

• Robotics education and STEM learning.

• Automation simulations and pick-and-place systems.

• Mechanical engineering training projects.

• DIY robotics development.

• Research and prototype design in universities and labs.

Advantages

• Strong torque capability for lifting lightweight payloads.

• Easy to assemble and integrate with servo driver boards.

• Perfect for beginners and professionals seeking a stable robotic platform.

• Supports a wide range of motion scenarios due to its 3 DOF design.

Data Sheet

Mechanical Specifications

• Structure Type: 3 DOF robotic arm

• Materials: Aluminum or reinforced ABS (varies by version)

• Gripper Type: SG90-driven open/close mechanism

• Rotation Range: Servo-limited 0–180 degrees

Servo Motor Specifications

MG995 Servo Motor (×4)

• Operating Voltage: 4.8–7.2 V

• Stall Torque: 9–13 kg·cm

• Speed: 0.20 s/60°

• Gear Type: Metal

• Control: PWM

SG90 Servo Motor (×1)

• Operating Voltage: 4.8–6.0 V

• Torque: 1.8 kg·cm

• Speed: 0.12 s/60°

• Gear Type: Nylon

• Ideal for gripper actuation