| 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 |