Bill of Materials (BOM)
The following table lists the components used in the prototype, including part numbers, quantities, materials, estimated costs, and potential suppliers.
Item | Component | Part Number | Qty | Material | Cost ($) | Supplier | Notes |
1 | Arduino Uno | A000066 | 1 | PCB/Electronics | 20.00 | Amazon | Main microcontroller used for sensor reading & servo control |
2 | LDR Light Sensors | GL5528 | 1 | Light-dependent resistor | 2.00 | Amazon | Used to detect intensity difference to track the sun |
3 | Servo Motor (Standard) | SG90 / MG996R | 1 | Plastic/Metal | 8.00 | Amazon | Rotates the solar panel (single-axis tracking) |
4 | Solar Panel (Mini) | 6V / 2.5W | 1 | Silicon/Aluminum | 8.00 | Amazon | Small panel used for prototype testing |
5 | Resistors (10kΩ) | CF-1/4W-10K | 2 | Carbon Film | 1.00 | Amazon | Forms the voltage divider for LDRs |
6 | Prototyping Wires | - | 1 | PVC/Copper | 3.00 | Amazon | Used for sensor and servo connections |
7 | Breadboard | SYB-170 | 1 | Plastic | 4.00 | Amazon | For wiring the circuit without soldering |
8 | 3D-Printed Mount & Base | Custom | 1 | PLA | 3.00 | University 3D Print Lab | Holds the solar panel + servo assembly |