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d. Bill of Materials
anandsagar00 edited this page Jul 30, 2021
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SI. No | Parts Name | Material with which part is made up of | Description about part | Quantity Required |
---|---|---|---|---|
1 | Sheets | Acrylic Sheet | Less expensive and easier to work with more durability & more translucent, safer than glass | 6 |
2 | Screws and Bolts | Aluminium | To join the sheets | 10 |
3 | Door Handle | Galvanised Steel | To connect to the main gate of locker | 1 |
4 | Drawer | Acrylic Sheets | To hold the valuable materials | 1 |
5 | Rack and Pinion | Galvanised Steel | Helps to lock the door | 1 |
6 | Servo Motor | --- | Helps to open/close the door and the lock mechanism | 2 |
7 | Micro controller | Arduino UNO | Main circuit | 1 |
8 | LCD 16x2 | Substrates | To display information to user | 1 |
9 | Keypad | Rubber | To protect the locker | 1 |
10 | LED | Gallium arsenide | To increase Visibility inside the locker | 1 |
11 | 1 Kilo Ohm Resistor | Ceramic and finely powdered carbon | To control current flow and stop heating of equipments | 4 |
12 | Rotary Potentiometer | Graphite | Adjust the output voltage | 1 |
13 | Buzzer | Ceramic disk surrounded by metal | It alerts the user | 1 |
14 | NPN Transistor | made from very pure silicon, and some from germanium, but certain other semiconductor materials | For amplifying Signal | 1 |
15 | Bread Board | Plastic and metallic chambers inside | To arrange the circuit properly | 1 |