ROBOTICS & AUTOMATION
Mini Robotic Arm
Build a small multi-joint robotic arm for pick-and-place demonstrations.
LevelCollege / Intermediate
Duration3–4 Weeks
Components₹4,500–₹8,000 CodingMedium
Project overview
Build a small multi-joint robotic arm for pick-and-place demonstrations.
Build a small multi-joint robotic arm for pick-and-place demonstrations.
Components / materials required
✓Arduino Mega/Nano
✓4–6 servo motors
✓Acrylic/3D-printed arm kit
✓Joystick module
✓Power supply
✓Gripper
What the project demonstrates
✓Multi-axis joint control
✓Manual joystick mode
✓Pick-and-place sequence
✓Optional recorded motion
Suggested build plan
01
Mechanical assembly
Build links, joints and gripper.
02
Servo calibration
Set safe movement limits.
03
Manual control
Map joystick inputs.
04
Sequence mode
Record or script pick-and-place actions.
Learning outcomes
✓Learn servo kinematics basics
✓Coordinate multiple actuators
✓Design safe motion limits
✓Create an industrial-automation demo
Safety / important note
Use a regulated external servo supply. Do not power multiple servos directly from the microcontroller.