NEED STATEMENT-SCRIBBLE BOT

There is a need for a low cost fun and automatic drawing toy that can create random art patterns without human effort to help children and engeenering students understand basic electronics,vibration and robotic concepts.

3.1 QUESTION AND ANSWERS

No.	Questions	Answers	Objective	Function	Constraint
1	Is it affordable?	It is affordable.	YES
2	Is it able to work with different types of software?	Yes, it works with versatile software.			YES
3	How does it change the direction?	Using motors, it changes direction.		YES
4	Is it user-friendly?	Yes, it is user-friendly.	YES
5	Is the Scribble Bot easy to maintain?	Yes, it is easy to maintain and clean.	YES
6	How long does it work continuously?	It can work continuously for 1–2 hours.		YES
7	What would be the weight of it?	It should be of light weight.	YES
8	Is it visually attractive?	Yes, it is visually attractive.	YES
9	Does it draw different designs?	Yes, it draws different designs.		YES
10	Does it hold different-sized pens?	Yes, it holds different-sized pens.		YES
11	What would be the voltage of the battery?	The battery used should be 5V.			YES
12	Does it make vibrations?	Yes, it makes vibrations.		YES
13	What should be its efficiency?	The efficiency should be high.	yes
14	What is the mode of power supply?	Battery or cable power supply.			YES
15	Is the Scribble Bot portable?	Yes, it is portable.	YES
16	What material is used in its construction?	The material used is metal.	YES
17	What would be the size of it?	It should be approximately 1 square foot.			YES
18	What would be its durability?	It should have long durability.			YES
19	Are the spare parts replaceable?	Yes, the spare parts are replaceable.		YES

3.2 BASIC SURVEY AND REQUIREMENTS

Feature	Description
Product Name	Scribble Bot
Type	Vibration-based automatic drawing robot
Purpose	Designed for kids' learning and creative art
Main Component	DC motor with an offset weight
Body	Metal or paper cup
Pen Holder	Holds the drawing pen securely
Power Source	Inbuilt battery
Working Mechanism	Uses vibration to move and draw automatically
Direction Control	Changes direction automatically
Drawing Capability	Produces different types of scribbles and creative patterns
Affordability	Affordable and suitable for educational use
User-Friendly	Easy to operate and use
Safety	Designed to be safe for kids
Portability	Lightweight and portable
Visual Appeal	Visually attractive design
Drawing Quality	Generates high-quality patterns
Maintenance	Easy to maintain and clean

3.3 IDENTIFIYING OBJECTIVe'S

Requirement	Description
Objective	To design and develop a Scribble Bot that is affordable, user-friendly, and visually attractive.
Body Material	The bot should be made of a durable metal body.
Pattern Quality	The bot should generate high-quality patterns.
Creative Play	The bot should provide engaging and creative play for kids.
Cost	The bot should be low-cost and affordable.
Ease of Use	The bot should be easy and convenient to use.
Overall Design	The Scribble Bot should have an attractive, practical, and child-friendly design.

PROBLEM DEFINITION VERSION 1.1:

To design and develop a Scribble Bot which is affordable, user friendly and visually attractive. The bot should be made of metal body, generate high quality patterns and provide engaging creative shapes. It should be of low-cost and easy to use.

3.4 IDENTIFIYING CONTRAINT'S

Requirement	Specification
Maximum Weight	should be of light weight
Size	compact size
Battery	5V inbuilt battery
Efficiency	high efficiency
Power Consumption	Very low power consumption
Spare Parts	Spare parts should be replaceable
Warranty & Durability	Should have a long warranty and long durability
Material	Corrosion-resistant metal

PROBLEM DEFINITION VERSION 1.2:

To Design and develop scribble Bot which should be of light weight, compact size, battery used should be 5V inbuilt battery, High efficiency, it should consume very low power, spare parts should be replaceable, warranty with long durability and material should be corrosion-resistant metal.

3.5 ESTABLISHING THE FUNCTION

Function / Feature	Description
Motor	Uses a DC motor to generate vibration with an offset eraser.
Movement	Moves through vibration generated by the offset motor.
Direction Change	Changes its direction randomly while operating.
Drawing Capability	Draws different designs and produces various types of scribbles.
Pen Compatibility	Holds pens of different sizes.
Continuous Operation	Can work continuously for a specified period.
Vibration Mechanism	Uses vibration as the main mechanism for movement.
Safety Feature	An IR sensor can be added for additional safety.
Fall Prevention	The IR sensor can help detect the edge of a table and prevent the bot from falling.
Kid-Friendly	Designed to be safe and suitable for kids' learning and creative activities.

PROBLEM DEFINITION VERSION 1.3:

The bot is designed and developed in such a way that it uses a DC motor which creates vibration with an offset eraser. It changes its direction randomly, draws different designs, produces different types of scribbles, holds different sized pens, works continuously and makes vibration for movement. An IR sensor can be added for safety so that it is safe for kids and prevents falling from table.

FINAL COMBINED PROBLEM DEFINITION - VERSION 1.4

Design and develop a portable, affordable, user-friendly and visually attractive Scribble Bot made of metal for kids, which generates high quality patterns, weighs less than 600 grams, light weight, operates on an inbuilt 5V battery with very low power consumption and high efficiency, with long durability and replaceable spare parts, and performs functions like changing its direction, producing different types of scribbles and different designs, holding different sized pens, making vibration, working continuously and safe for kids.