TEAM1	Functions from User Perspective	Functions from Designer perspective
1	automatically draws random art	random movement controlled by dc motor vibration
2	easy to carry / portable	lightweight 600g and 1sq ft compact metal box
3	stable while drawing	Maintain stability using paper cup +3 pen tripod legs
4	safe to use for everyone	no sharp edges and low 5v power
5	working for long time	low power and rechargeable battery
6	cover large paper area	speed variation using 3 pen as tripod
7	Low battery consumption	low power consumption design <1W
8	produce different patterns	random movement controlled by arduino
9	Long durability	durable connection using strong glue and rubber bands
10	Looks attractive	Aesthetic designs with colour cup
11	Does not damage the paper	controlled pen pressure and smooth movement
12	Easy to replace the pen	pen holder with simple detachable design
13	Easy to stop	on/off control using arduino
14	Affordable	uses low cost, easily available components
15	automatic obstacle avoidance	IR sensor based auto stop
16	No manual drawing effort	fully automatic vibration drawings
17	No noise while working	smooth motor with rubber grip isolation

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Serial No	Subfunctions	Means 1	Means 2	Means 3	Means 4
1	Controlling the Bot	Arduino Nano	Arduino Uno	ESP32 Development Board	Arduino mega
2	Movement	TT Gear motor	Servo Motor	BO Motor	N20 Gear Motor
3	Turning ON/OFF the Bot	Toggle Switch	Slide Switch	Push-button Switch	Rocker Switch
4	pen holder	Cardboard Pen Holder	Pen Clip	PVC Pipe Pen holder	Rocker Switch
5	Connecting Electric Components	Jumper wires	Hook up Wires	Electrical Connector	Connecting wires
6	Providing Electric Connection	Breadboard	Perf board	PCB	Solderless/Connection Board
7	Power Supply	9V Battery	18650 Li-ion Battery Pack	Rechargeable battery pack	AA Battery pack
8	Motor Speed Controller	L298N Motor Driver	L293D Motor Driver	TB6612FNG Motor Driver	MX1508 Motor Driver
9	Uploding program to controller	USB Type-C Cable	Micro-USB Cable	USB Cable	USB-to-Serial Adapter