Research Article
Low-Cost, Low-Energy, Wireless Hydrological Monitoring Platform: Design, Deployment, and Evaluation
Table 2
Verification of the initial measurements with field lifetime.
| | Component | Average current (A) | Duration of an operations cycle (seconds) | Energy consumption/cycle of operation (mWh) | Number of cycles/hour | Energy consumption/110 days (mWh) |
| | GSM | 35.16 | 38 | 2.923 | 1 | 7,718 | | Ultrasonic sensor | 20 | 3.3 | 0.145 | 30 | 11470.8 | | SD card module | 17.4 | 2.44 | 0.093 | 1 | 245.9 | | MCU + passive components | 0.03 | 3,600 | 0.237 | 1 | 625.7 | | Total energy consumption/110 days (mWh) | 20,060.4 mWh | | | | Estimated usable capacity of six Energizer Max® alkaline AA batteries | 19,750–21,725 mWh | | |
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