E&TC / ECE · Robotics and drone · Final year project
Programmable Omni Direction Robotic Arm Vehicle
A warehouse robot with omnidirectional wheels and a four-axis arm. Controlled from an Android app over Bluetooth, it moves in any direction and can repeat saved pick-and-place programs.
What is the Programmable Omni Direction Robotic Arm Vehicle project?
A warehouse robot with omnidirectional wheels and a four-axis arm. Controlled from an Android app over Bluetooth, it moves in any direction and can repeat saved pick-and-place programs.
Key facts
- Branch
- Electronics & Telecommunication (E&TC / ECE); also suits Mechatronics
- Type
- Final year project · Advanced
- Suitable for
- Diploma capstone and B.E / B.Tech final year
- Build time
- 6 to 8 weeks
- Estimated component cost
- ₹14,300 – ₹21,100
- Guidance from
- ₹9,999 (Hardware / IoT Final Year)
How the Programmable Omni Direction Robotic Arm Vehicle works
- Voltage regulator / buck converter and Li-ion battery pack supply the circuit; a regulator gives the controller and sensors a steady 5 V.
- The Arduino Mega 2560 controls many sensors and actuators at once, since it offers 54 digital pins and 4 hardware serial ports.
- The Bluetooth module links the circuit to a smartphone app so the user can send commands or receive readings.
- The Stepper motor with driver moves in precise steps for accurate positioning.
- The Servo motor rotates to an exact angle, used for locks, arms and flaps.
- The DC geared motor provides the driving motion.
- The Motor driver lets the low-current controller run the motors forward, reverse and at variable speed.
Block diagram
Controller
Arduino Mega 2560Communication
Bluetooth moduleOutputs
Stepper motor with driverServo motorDC geared motorMotor driverComponents list and cost
Typical prices from Indian online stores and electronics markets (Lamington Road, Budhwar Peth, SP Road). Buy from one store where you can to save on shipping.
| Component | Qty | What it does | Approx. cost |
|---|---|---|---|
| Arduino Mega 2560 | 1 | Controls many sensors and actuators at once, since it offers 54 digital pins and 4 hardware serial ports. | ₹1,100 |
| Bluetooth module (HC-05) | 1 | Links the circuit to a smartphone app so the user can send commands or receive readings. | ₹280 |
| Stepper motor with driver (NEMA17 + A4988) | 2 | Moves in precise steps for accurate positioning. | ₹1,800 |
| Servo motor (MG996R / SG90) | 5 | Rotates to an exact angle, used for locks, arms and flaps. | ₹1,750 |
| DC geared motor | 2 | Provides the driving motion. | ₹500 |
| Motor driver (L298N) | 1 | Lets the low-current controller run the motors forward, reverse and at variable speed. | ₹180 |
| Voltage regulator / buck converter | 1 | Provides a steady voltage to the controller and sensors. | ₹80 |
| Li-ion battery pack (18650 × 2 with holder) | 1 | Powers the portable device. | ₹450 |
| Wheels / castor wheels | 4 | Allow the machine or vehicle to move. | ₹1,600 |
| Mild steel frame and fabrication | 1 | Forms the main structure that holds all parts. | ₹2,500 |
| Robotic arm frame and gripper kit | 1 | Needed for this type of build. | ₹2,200 |
| Robot chassis (metal / acrylic) | 1 | Needed for this type of build. | ₹1,100 |
| Li-ion battery pack (18650 × 3, 11.1 V) with BMS | 1 | Needed for this type of build. | ₹1,400 |
| Arm Joints and Parts | 1 | Part from the design specification | ₹150* |
| Arm Gripper | 1 | Part from the design specification | ₹150* |
| Passive components, PCB and wiring kit | 1 | PCB / breadboard, resistors (assorted), capacitors (assorted), transistors / MOSFETs and cables, connectors and jumper wires. | ₹350 |
| Wiring, PCB, soldering and enclosure | 1 | Project overhead | ₹450 |
| Demo model base / mounting board | 1 | Project overhead | ₹500 |
| Testing spares and replacements | 1 | Project overhead | ₹300 |
| Estimated total | Varies with brand, quality and city | ₹14,300 – ₹21,100 |
Prices are estimates for budgeting; items marked * depend on the exact size or model chosen. We confirm the bill of materials when your design is frozen, and components are charged at actual cost with bills.
How much does this project cost?
| Option | What you get | Cost |
|---|---|---|
| Components only | You buy the parts and build it yourself | ₹14,300 – ₹21,100 |
| Hardware / IoT Final Year | Working model or guided build, Circuit diagram and bill of materials, Firmware / code with explanation | from ₹9,999 + components |
| Capstone Project (CPE) | Working project or model, Black book in MSBTE format, Step-by-step explanation | ₹9,999 + components |
| Diploma ITR | 100% working source code, Project report PDF, PPT | ₹1,999 + components |
No GST and no hidden charges. Use the cost calculator for a quote with your deadline and add-ons, or see all plans.
Download the project brief (PDF)
Summary, working, components and cost and viva questions on one branded PDF to show your guide or team. To get it developed, contact us on WhatsApp.
What you submit with this project
- Working model with circuit diagram and program code
- Project report or black book in your university's chapter order (block diagram, circuit, calculations, results)
- Presentation for the review and final viva
- Synopsis for topic approval, if your college asks for one
E&TC / ECE viva questions on this project
What is the aim of the Programmable Omni Direction Robotic Arm Vehicle project?
A warehouse robot with omnidirectional wheels and a four-axis arm. Controlled from an Android app over Bluetooth, it moves in any direction and can repeat saved pick-and-place programs.
Explain the working of your project in short.
Voltage regulator / buck converter and Li-ion battery pack supply the circuit; a regulator gives the controller and sensors a steady 5 V. The Arduino Mega 2560 controls many sensors and actuators at once, since it offers 54 digital pins and 4 hardware serial ports. The Bluetooth module links the circuit to a smartphone app so the user can send commands or receive readings. The Stepper motor with driver moves in precise steps for accurate positioning.
Why use Arduino Mega instead of Uno?
The Mega has 54 digital I/O pins, 16 analog inputs and 4 serial ports, so it can handle more modules at the same time, such as GSM, GPS and a display together.
How does the HC-05 Bluetooth module communicate with the microcontroller?
It uses UART serial at 9600 baud by default. Data typed in the phone app is received by the module and passed to the controller's RX pin as serial characters.
Why is a stepper motor used for positioning?
It moves a fixed angle per pulse (1.8° for NEMA17), so the controller knows the position by counting steps without a feedback sensor.
How is a servo motor controlled?
With a PWM signal at 50 Hz. A pulse of 1 ms gives about 0°, 1.5 ms gives 90° and 2 ms gives 180°. The internal feedback potentiometer holds the angle.
Why is a geared motor used?
The gearbox reduces speed and multiplies torque, so a small DC motor can move a vehicle or mechanism smoothly. Torque increases roughly by the gear ratio.
Explain the block diagram of your project.
The input section senses the real-world quantity, the Arduino Mega 2560 processes it according to the program, and the output section acts locally and sends the data or alert wirelessly. The power supply section feeds every block.
Which communication protocols are used between the modules?
UART (serial) for the GSM, GPS, Bluetooth or fingerprint modules and analog inputs read by the ADC for the analog sensors. Each protocol was chosen because the module supports it and it uses the fewest pins.
What is the operating voltage of the circuit?
The controller and most sensors work at 5 V (ESP boards and some modules at 3.3 V). The battery powers the board, and a regulator steps it down. Motors and relays get their own supply line so they do not reset the controller.
Is your system open-loop or closed-loop?
Mainly open-loop: the controller runs the actuators for a set time or number of steps. Adding a sensor for feedback would make it closed-loop and more accurate.
Related projects
Academic use: Project Buddyy offers mentoring, guidance and reference material for learning. You stay responsible for following your institution's academic integrity rules and for understanding everything you submit.
Want to build Programmable Omni Direction Robotic Arm Vehicle?
Send your college, deadline and team size. We confirm the scope, cost and what you will submit.