Building phase

polishing

Fabrication plan

SL no	Part	Off-the shelf part	custom-made or hand crafted part	Type of Material	Fabrication process if needed	Approximate time needed for fabrication
1.	Polishing brush rollers	--	custom-made	synthetic paint brushes	fixing to rod	60 mins
2.	DC motor	yes	--	metal shaft and plastic body	fixing it to the rod with the help of nylon pipe	30 mins
3.	Jumper wires	yes	--	metal and alloy	connections	30 mins
4.	Micro-controller(arduino mega AT2560)	yes	--	pcb	connections	30 mins
5.	Bread board	yes	--	hard fibre	connections	30 mins
6.	bevel gears	--	custom-made	plastic fibre	fixing them to rod and arranging them at 90 degrees	10 mins

Interaction aspect details

	sub system 03
	sub system 01	sub system 02
Energy interaction	No	No
Data interaction	No	No
Material interaction	Yes	No
Spatial interaction	Yes	No

Explanation:Sub system 02

There is transfer of energy for the process of cleaning and polishing hence there exists energy interaction between sub system 02 and subsystem 03.Since the commands are passed for the process to start there is data interaction between sub system 02 and 03.

Program

void setup

{

Serial.begin(9600);

pinmode(7,OUTPUT);

pinmode(8,OUTPUT);

}

void loop

{

int data==Serial.read()

if (data==2)

{

difgitalwrite(7,HIGH);

digitalwrite(8,LOW);

}

}

3D diagram

Built sub-system-2