Figure 1:
Figure 2:
Figure 3:
Figure 4:
Figure 5:
Figure 6:
Figure 7:
Figure 8:
Cost analysis for underwater terminal modem_
| Components | No. of components | Cost per component (EGP) | Cost (EGP) |
|---|---|---|---|
| Diodes | 1 | 0.75 | 0.75 |
| T blocks | 2 | 2 | 4 |
| Arduino Nano | 1 | 90 | 90 |
| RF Tx/Rx pair | 1 | 120 | 120 |
| Waterproof temperature sensor | 1 | 60 | 60 |
| DC–DC | 1 | 65 | 65 |
| Lithium battery charger module | 1 | 35 | 35 |
| Battery | 1 | 50 | 50 |
| Battery holder | 1 | 10 | 10 |
| PCB implementation | 1 | 100 | 100 |
| Resistors | 1 | 0.25 | 0.25 |
| Total | 535 (about $34) | ||
Cost analysis for the overall system_
| Components | No. of components | Cost per component (EGP) | Cost (EGP) |
|---|---|---|---|
| Diodes | 3 | 0.75 | 2.25 |
| T blocks | 6 | 2 | 12 |
| Arduino Nano | 3 | 90 | 270 |
| RF Tx/Rx pair | 2 | 120 | 240 |
| Waterproof temperature sensor | 2 | 60 | 120 |
| Wi-Fi module (ESP8266) | 1 | 60 | 60 |
| DC–DC | 3 | 65 | 195 |
| Lithium battery charger module | 3 | 35 | 103 |
| Battery | 3 | 50 | 150 |
| Battery holder | 3 | 10 | 30 |
| PCB implementation | 3 | 100 | 300 |
| Resistors | 4 | 0.25 | 1 |
| Water tank | 1 | 2000 | 2000 |
| Tank requirements | 1 | 600 | 600 |
| Total | 4083 (about $260) | ||
Cost analysis for sever modem_
| Components | No. of components | Cost per component (EGP) | Cost (EGP) |
|---|---|---|---|
| Diodes | 1 | 0.75 | 0.75 |
| T blocks | 2 | 2 | 4 |
| Arduino Nano | 1 | 90 | 90 |
| RF Tx/Rx pair | 1 | 120 | 120 |
| Wi-Fi Module (ESP8266) | 1 | 35 | 35 |
| DC–DC | 1 | 65 | 65 |
| Lithium battery charger module | 1 | 35 | 35 |
| Battery | 1 | 50 | 50 |
| Battery holder | 1 | 10 | 10 |
| PCB Implementation | 1 | 100 | 100 |
| Total | 509.75 (about $33) | ||