03 PROBLEM DEFINITION - Q-div-Engg-Exploration-2026-27-Odd/Repo-5 GitHub Wiki

Questions	Answers	Objective	Function	Constraint
1. What is Scribble Bot?	A robot that draws and writes automatically.	✓
2. What is its main objective?	To automate drawing and reduce manual effort.	✓
3. What are its main components?	Arduino, motors, motor driver, chassis, pen holder, and battery.		✓
4. Which controller is used?	Arduino or a compatible microcontroller.		✓
5. How does Scribble Bot move?	Motors control the robot's movement.		✓
6. How does it draw?	A pen attached to the robot draws on paper.		✓
7. How are drawing patterns programmed?	Using programmed movement commands.		✓
8. What is the role of the motor driver?	Controls motor direction and speed.		✓
9. What is the role of the power supply?	Provides electrical power to the system.		✓
10. How is the pen controlled?	A servo can raise or lower the pen, if included.		✓
11. Can it draw geometric shapes?	Yes, it can draw programmed shapes.	✓
12. Can it write letters and numbers?	Yes, with suitable programmed paths.	✓
13. What software is required?	Arduino IDE or compatible programming software.		✓
14. What is the role of sensors?	Optional sensors detect obstacles or reference positions.	✓
15. How is drawing accuracy improved?	By calibrating motors and aligning the pen.		✓
16. What materials are needed?	Chassis, motors, controller, pen holder, wires, and battery.	✓
17. What are its applications?	Education, art, handwriting practice, and pattern drawing.			✓
18. What are the major challenges?	Maintaining accuracy, stable movement, and pen contact.			✓
19. What are the safety constraints?	Safe voltage, insulated wiring, and secure moving parts.			✓
20. What are the future improvements?	Wireless control, image conversion, and better calibration.	✓

• Manual drawing requires time and effort.
• Repeated patterns are difficult and tedious to draw manually.
• Manual drawing may have variations in size and accuracy.
• An automated drawing robot can reduce human effort.
• Scribble Bot can be used for education and robotics learning.
• It can draw predefined shapes, patterns, letters, and numbers.
• The system should be simple, affordable, and easy to operate.
• Stable motor movement is required for accurate drawing.
• Easily available components should be used.
• Future improvements can include wireless control and image-to-drawing conversion.

• Arduino / Microcontroller
• Motors
• Motor Driver
• Servo Motor
• Chassis
• Wheels
• Pen Holder
• Pen
• Battery / Power Supply
• Connecting Wires

• Arduino IDE
• Arduino / Embedded C programming
• Motor control program
• Servo control program
• Predefined drawing patterns

• Automatic movement
• Motor control
• Pen control
• Drawing of predefined patterns
• Drawing of geometric shapes
• Writing of simple letters and numbers
• Programmable drawing paths

• Low cost
• Easy to use
• Compact design
• Safe operation
• Reliable movement
• Good drawing accuracy
• Easy maintenance

The main clients/users of the Scribble Bot are students, teachers, hobbyists, artists, and users who require an automated system for drawing and writing.

The project is designed to understand their needs and provide a simple, affordable, accurate, and programmable drawing solution.

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Sl. No.	Client Objective	Requirement / Need
1	Reduce manual effort	Automate drawing and writing to reduce the effort required for manual work.
2	Save time	Automatically draw repeated patterns, shapes, letters, and numbers.
3	Improve drawing consistency	Maintain stable movement and consistent pen contact while drawing.
4	Automate drawing	Use programmed movement commands to automatically draw on paper.
5	Draw geometric shapes	Provide the ability to draw programmed geometric shapes.
6	Write letters and numbers	Allow the robot to write letters and numbers using suitable programmed paths.
7	Easy programming	Use Arduino IDE or compatible programming software for programming and modification.
8	Easy operation	Provide a simple system that can be operated and understood easily.
9	Accurate movement	Improve drawing accuracy by calibrating the motors and aligning the pen.
10	Stable movement	Maintain stable robot movement during the drawing process.
11	Reliable pen control	Use a servo to raise or lower the pen when required, if included.
12	Low-cost solution	Use affordable and easily available components such as Arduino, motors, motor driver, chassis, pen holder, wires, and battery.
13	Educational use	Provide a practical platform for learning robotics, electronics, programming, and automation.
14	Multiple applications	Support applications such as education, art, handwriting practice, and pattern drawing.
15	Safe operation	Use safe voltage, insulated wiring, and secure moving parts.
16	Compact system	Build the robot using a simple chassis and compact components suitable for drawing on paper.
17	Customizable drawings	Allow users to modify programmed movement commands and create new drawing patterns.
18	Sensor support	Allow optional sensors to detect obstacles or reference positions.
19	Easy maintenance	Use simple and easily replaceable components for maintenance and troubleshooting.
20	Future expansion	Provide a base for future improvements such as wireless control, image conversion, and better calibration.

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Based on the survey and requirements, the primary needs identified are:

• Automatic drawing and writing.
• Reduced manual effort.
• Easy-to-use operation.
• Programmable drawing patterns.
• Ability to draw geometric shapes.
• Ability to write letters and numbers.
• Stable and accurate movement.
• Proper pen control.
• Affordable and easily available components.
• Safe and reliable operation.

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The client/user expects the Scribble Bot to:

1. Draw automatically according to programmed instructions.

2. Move smoothly using motors.

3. Control the pen properly during drawing.

4. Produce reasonably accurate drawings.

5. Draw predefined shapes and patterns.

6. Support simple letters and numbers.

7. Be easy to program using Arduino IDE or compatible programming software.

8. Be simple to operate and maintain.

9. Use safe electrical connections and a suitable power supply.

10. Provide scope for future improvements and additional features.

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The following problems were identified from the survey:

• Manual drawing requires time and effort.
• Repeated drawing of patterns can be tedious.
• Maintaining uniform size and shape manually can be difficult.
• Manual drawing may have variations in accuracy.
• Stable pen movement is difficult to maintain manually.
• Repeated handwriting and pattern drawing can require considerable effort.
• A simple and affordable automated drawing solution is needed.

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The Scribble Bot addresses these client objectives by providing an automated drawing and writing system.

The robot uses a microcontroller, motors, motor driver, pen holder, pen, chassis, and power supply to control its movement and drawing process. Programmed movement commands allow the robot to draw predefined shapes, patterns, letters, and numbers.

The system can be further improved through motor calibration, pen alignment, optional sensors, wireless control, and image-to-drawing conversion.

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The Scribble Bot will be considered successful if it can:

• Automatically move according to programmed commands.
• Draw predefined patterns and geometric shapes.
• Write simple letters and numbers.
• Maintain stable movement during drawing.
• Maintain proper pen contact with the paper.
• Provide acceptable drawing accuracy.
• Operate safely.
• Be programmed and modified easily.
• Use affordable and easily available components.
• Provide a suitable base for future improvements.

Problem Definition: Manual drawing and writing can require significant time and effort and may produce inconsistent results. Therefore, there is a need to design and develop a low-cost, compact, and easy-to-operate Scribble Bot that can automatically draw shapes, patterns, letters, and numbers with accurate and stable pen movement. The system should use programmable motors and a pen mechanism, be easy to program and maintain, and provide a safe platform for educational and creative applications.

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SL NO	CONSTRAINTS
1	Maintaining accuracy, stable movement, and pen contact
2	Safe voltage, insulated wiring, and secure moving parts

The problem is to design a scribble bot that can draw accurately while maintaining stable movement and continuous contact between the pen and the paper. The system must operate safely using suitable voltage, insulated wiring, and securely fixed moving parts to ensure reliable and safe operation.

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Column1	Column2
SL NO	FUNCTIONS
1	Arduino, motors, motor driver, chassis, pen holder, and battery.
2	Arduino or a compatible microcontroller.
3	Motors control the robot's movement.
4	A pen attached to the robot draws on paper.
5	Using programmed movement commands.
6	Controls motor direction and speed.
7	Provides electrical power to the system.
8	A servo can raise or lower the pen, if included.
9	Arduino IDE or compatible programming software.
10	Optional sensors detect obstacles or reference positions.
11	Chassis, motors, controller, pen holder, wires, and battery.

The problem is to design a scribble bot that can automatically move and draw patterns on paper. It should use a motor, driver, chassis, pen holder, battery, Arduino or microcontroller, sensors, and suitable programming to control its movement, direction, speed, and pen position accurately.