Table 8 Hardware cost assessment.
Component | Model | Quantity | Price per unit (USD) |
|---|---|---|---|
Microcontroller | Arduino Uno | 1 | 5.00 |
Arduino mega | 1 | 8.00 | |
Power source | Battery LiPo (1000 mAh) | 1 | 20.00 |
Amplifier | LM358P | 15 | 0.50 |
Resistor | 100 K, 1 K, 1 M | 60 | 0.10 |
Zener diode | 5.0 V | 15 | 0.10 |
Capacitor | 0.1 µF | 20 | 0.10 |
Piezoelectric sensor | 7BB206L0 | 15 | 1.0 |
Breadboard | – | 3 | 1.0 |
Total price | 70 USD (each unit) | ||
