The DIY Kit 4 DOF Robot Manipulator Arm Mechanical Arm Kit is a wooden four-axis robot arm platform designed for university students, college robotics projects, and experienced DIY makers. It provides four degrees of freedom covering base rotation, shoulder, elbow, and gripper — the same joint configuration used in industrial pick-and-place robot arms. The 4dof robot arm kit uses servo motor mounts at each joint, accepting standard SG90 servo motors for actuation.
Servo motors are not included in this kit. You need four servo motors separately to make the arm move. This is a structural frame kit, not a complete ready-to-run robot. The lifting capacity of approximately 10 to 15 grams per servo depends entirely on the torque rating of the servos you choose higher torque servos will lift more. The non-obvious advantage of the wooden structure is easy modification joints can be repositioned and links can be extended with additional wooden parts without needing special tools or machining.
The manipulator arm for robotics is widely used by Indian engineering students for Arduino robot arm projects, final year robotics lab submissions, and college technical festival demonstrations. The 4 dof robotic arm covers forward kinematics, servo control, and pick-and-place programming three topics that appear in most electronics and robotics engineering.
StemVolt provide robot arm kit as a practical learning platform for robotics developers working on DIY robotic arm for projects and embedded system applications.
Related Product:
- Check out The SG90 Micro Servo Motor 360° for robotics projects
Features:
- Four DOF joint configuration covers base, shoulder, elbow and gripper axes
- Wooden structure allows easy link modification without machining or special tools
- Four servo mounts accept SG90 and MG90S standard size servo motors
- Approx. 10 to 15 gm lifting capacity depends on chosen servo torque rating
- Compatible with Arduino servo control for pick-and-place robot arm programming
Technical Specifications:
| Specification | Details |
|---|---|
| Model | 4 DOF DIY Mechanical Arm Kit |
| Servo Motor | Not Included |
| Material | Wooden |
| Lifting Capacity | Approx. 10–15 gm |
| Degree of Freedom (DOF) | 4 DOF |
| Ideal For | University Students, College Students, DIY Makers |
 Applications:
- College final year project uses DIY Kit 4 DOF Robot Manipulator Arm for pick-and-place
- University robotics lab demonstrates manipulator arm for robotics joint kinematics study
- Arduino robot arm project controls 4 dof robotic arm via servo PWM signals from board
- Tech fest competition uses robotic arm for projects as pick-and-place robot demo build
- DIY robotic arm build uses wooden kit as base frame for custom servo gripper project
Package Includes:
-
1 x DIY Kit 4 DOF Robot Manipulator Arm Mechanical Arm Kit














Pushpa Sharma –
Great product. Fast delivery!
Dhruv Pandey –
Delivered in 4 days. Smooth checkout experience!
Kavita Joshi –
Best online electronics store, quick response, support team good