The Arduino Programmable Humanoid Robotic Hand Prosthetic Robot Arm Hand DIY Kit is an innovative robotic prosthetic hand kit designed for robotics enthusiasts, students, hobbyists, and researchers interested in biomechanics and robotics engineering. This DIY robotic hand kit provides a practical learning experience in servo control, mechanical motion, and prosthetic hand mechanics, making it an ideal tool for STEM education, robotics competitions, and project-based learning.

Made from high-quality 3D printed components, the robotic hand is lightweight yet durable. The structure is preassembled with nylon and elastic tendons that simulate real human finger movement, offering natural flexibility and smooth articulation. It comes with an SG90 servo motor for thumb control, with optional variations for enhanced performance or additional servo integration.

Whether you are experimenting with Arduino-controlled robotics, creating a bionic prosthetic prototype, or developing your own robotic automation project, this DIY robotic arm kit offers an excellent foundation for practical robotics applications.

This video is for demonstration purpose only. Electronics are NOT included. This product only includes the full robot arm kit.

Features:

• High-Quality 3D Printed Build: Made from durable, lightweight plastic for stable mechanical performance and long-term use.

• Preassembled Tendon System: Uses nylon and elastic threads for smooth, flexible, and realistic finger motion.

• Servo Motor Integration: Includes one SG90 servo motor for thumb actuation; compatible with additional servo motors for expanded motion control.

• Easy to Assemble: Modular design allows quick setup without advanced tools or soldering. Ideal for beginners and experts alike.

• STEM Education Ready: Perfect for school robotics projects, mechanical engineering labs, and DIY prosthetic research.

• Customizable Options: Additional motor or electronic control upgrades available upon request.

• Lightweight and Portable: Compact design allows easy mounting on robotic arms or prosthetic test rigs.

• Arduino and Raspberry Pi Compatible: Easily programmable using Arduino IDE, Python, or other microcontroller platforms for servo control and motion simulation.

• Ideal for Learning Robotics Mechanics: Demonstrates tendon-based motion, grip control, and servo-based actuation.

Specifications:

• Product Type: Humanoid Robotic Hand DIY Kit

• Material: 3D Printed High-Density Plastic

• Control Type: SG90 Micro Servo Motor (included)

• Motor Compatibility: SG90, MG90S, MG996R, and similar standard servo models

• Assembly: Partial preassembly with nylon and elastic strings

• Power Supply: 5V–6V DC (depending on servo)

• Finger Mechanism: Elastic tendon system for independent finger movement

• Thumb Control: Powered by SG90 servo motor (preinstalled or included)

• Compatibility: Arduino, Raspberry Pi, ESP32, and most robotics controllers

• Weight: Lightweight, approximately 150–200g (depending on variation)

• Use Cases: Robotics education, prosthetic design, research, and demonstration projects

Electronics Required:

• ESP32 Development Board x 1 pc 
• ESP32 Expansion Board x 1 pc
• 5V Power Adapter x 1 pc

How to Use:

1. Assemble the Hand: Connect the 3D printed parts using the included screws and fittings. The pre-threaded tendons simplify setup.

2. Attach Servo Motor: Mount the SG90 servo to the thumb or main joint section using the provided slots and connect it to the control board.

3. Connect to Controller: Wire the servo signal pin to an Arduino PWM pin (e.g., D9) and power the servo with a stable 5V source.

4. Upload Servo Code: Use basic Arduino servo control code or PWM signals to test hand movement. You can modify the servo angles to adjust thumb or finger positions.

5. Experiment and Upgrade: Add more servos or sensors for full hand control or integrate with flex sensors to simulate gesture-based movement.

6. Safety Tip: Avoid over-tensioning nylon tendons and ensure servo limits are correctly programmed to prevent gear strain.

Applications:

• DIY Robotic Hand Projects

• STEM and Robotics Learning Kits

• Prosthetic Hand Research and Simulation

• Arduino Servo Motor Experiments

• Bionic Hand Prototype Development

• Robotics Competitions and Exhibitions

• Automation and Mechanical Engineering Demonstrations

Package Includes:

• Robot hand plastic kit

• Optional (available with full kit):
  • Servo Motor
  • Threads for joints connection
  • Instruction Maual (video)

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