Assessfy Pvt. Ltd Moderate 7 milestones 50 marks

Pesticide Sprayer Spider Robot with Grass Cutter

Real-world project · AICTE-aligned · AI-graded · Audit-ready certificate

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Milestones

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About this project

Pesticide Sprayer Spider Robot with Grass Cutter

Objective: Design and prototype a robotic spider that autonomously sprays pesticide and cuts grass in agricultural fields.

Context: Indian farmers face challenges with manual pesticide application and grass cutting, exposing them to chemicals and increasing labor costs. Automating these tasks can improve safety, efficiency, and crop yield.

What you'll build: You'll construct a multi-legged robot using a custom chassis, integrating DC motors for locomotion and a grass-cutting mechanism. The system will use Arduino UNO for control, with motor drivers, a pesticide pump, spray nozzle, and sensor-based navigation for semi-autonomous operation. Mechanical design and embedded programming are key components.

Deliverables: Working prototype robot, demonstration video, and technical report documenting design, integration, and field test results.

Milestones

Submit a brief project proposal outlining your planned approach, key components, and timeline for developing the Pesticide Sprayer Spider Robot with Grass Cutter. Include a block diagram and a list of required hardware components. Ensure your proposal clearly defines the robot's primary functions and expected outcomes.

2. Frame & mechanism design

5 marks 5d

Design and document detailed CAD drawings of the spider robot's frame and mechanical structure, including the mounting points for motors, grass cutter, and sprayer system. Submit both the 3D model files and annotated schematics. Your design should demonstrate stability, accessibility for maintenance, and compatibility with all planned subsystems.

3. Integration of motors and grass cutter

5 marks 5d

Assemble the robot's frame and securely integrate the drive motors and grass cutter mechanism. Submit a video demonstration showing the motors and grass cutter operating together on the assembled chassis. Your integration will be assessed on mechanical stability, correct alignment, and smooth operation without interference between components.

4. Sprayer system integration

5 marks 5d

Install the pesticide sprayer system onto the robot, ensuring proper routing of tubing, secure mounting of the pump, and nozzle placement for effective coverage. Submit photos and a short video of the sprayer system functioning while stationary. The system must deliver an even spray pattern and operate reliably when activated.

5. Sensor-based navigation

5 marks 5d

Integrate sensors (e.g., ultrasonic, IR) for obstacle detection and navigation. Submit code, wiring diagrams, and a video showing the robot autonomously avoiding obstacles in a test environment. The navigation system will be evaluated based on responsiveness, accuracy in path correction, and consistent sensor feedback.

6. Field testing & performance evaluation

15 marks 5d

Conduct field tests of the complete robot on grass, evaluating its cutting, spraying, and navigation under real conditions. Submit a report with test data, annotated photos/videos, and analysis of performance metrics such as area covered, spray uniformity, and navigation accuracy. Highlight any issues encountered and proposed improvements.

7. Smart Shopping Trolley that Follows Customer

15 marks 5d

Design and demonstrate a smart shopping trolley prototype that autonomously follows a customer using sensor-based tracking. Submit a video of the trolley following a person through a simulated shopping environment, along with circuit diagrams and code. Assessment will focus on tracking reliability, smooth movement, and safety around obstacles.

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Upcoming sessions

Session	Window	Enrolled
Pesticide Sprayer Spider Robot with Grass Cutter	11 Jun 2026 to 10 Jun 2028	0

Skills you'll learn

Embedded SystemsRobotics (locomotion & control)DC motor and pump interfacingMechanical designArduino programming

Tools used

Arduino UNO DC motors & motor driver (L298N) Pesticide pump & spray nozzle Blades for grass cutting Chassis frame (spider-leg structure) Battery and power supply Ultrasonic/IR sensors

Prerequisites

Basic electronics and microcontroller programming Knowledge of sensors and actuators Mechanical assembly skills

Available mentors

Priyang Kumar

Free

You'll earn — Certificate (PDF)

AICTE-aligned Project Completion Certificate

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Pesticide Sprayer Spider Robot with Grass Cutter

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