I. 3-D Model:

LCD Display:

Start Button:

Backpiece:

Launching Unit:

Main body:

Final Virtual Prototype:

II. Circuit:

Sensing Unit:

Display unit:

Circuit of entire system:

III. Flowchart:

Initializing unit:

Launching unit:

Sensing unit:

Display unit:

Flowchart of entire system:

IV. Bill of materials:

Sl No.	Part Name	Material with which the part is made up of	Description	Quantity Required	Fabrication Process if needed
1	LCD Display 16*2 Module	Purchased	16*2 LCD Module	1	-
2	Micro controller	Aurdino Mega	AT-2560	1	-
3	Adapter		5v,12v	1	-
4	Launching unit	Rubber band	-	4	-
5	Main body	Foam sheet	3mm,5mm,10mm,	2	Cutting, joining
6	Sensor	IR sensor	IR sensor module	5	-
7	Connecting wire	Jumper wire	male to male, female to male	30, 30	-
8	Circuit	Resistor	10k ohm, 220 ohm	5	-
9	Nut and bolt	Stainless steel	-	30	-
10	Signaling	USB cable	USB cable A to B	1	-
11	Breadboard		Full size	1	-
12	Breadboard		Half size	1	-
13	Main body	Acrylic sheet	-	12116cm^2	Cutting,Bending