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Datalogger for Low-Cost High Mountain Weather Stations: Design, Optimization and Testing of Power Consumption and Compatibility with Satellite Transmitter
(Institute of Electrical and Electronics Engineers Inc., 2023)
Alvarado Lugo, Robert A.
;
Lovon Ramos, Percy W.
;
Lujan Leon, Jean
This paper presents the design, optimization, andlaboratory testing of a low-cost Datalogger for meteorologicalstations in high mountain environments. The lack of meteorolog-ical data in the high Andean basins hinders natural resourcemanagement and disaster prevention, so Low-Cost WeatherStations are presented as efﬁcient solutions to collect such dataand meet the demand for research in these areas. The Dataloggerwas developed to capture, store, and transmit meteorologicaldata, while also addressing the challenges of operating in remoteand harsh conditions. The study focused on integrating essentialfunctionalities, such as data transmission, with a strong emphasison satellite communication for global coverage. The optimizationprocess involved state-of-the-art review, careful selection andplacement of components, PCB design, impedance control, andenergy consumption considerations. Two versions of the Datalog-ger were fabricated and subjected to laboratory testing to assesstheir performance and reliability. The results showed that bothversions exhibited satisfactory responses in terms of data acquisi-tion, communication interfaces, and sensor integration. Overall,the Datalogger demonstrated promising results, showcasing itspotential for scientiﬁc research and environmental monitoringin challenging high mountain environments. Future work willinvolve ﬁeld testing to validate its performance under real-worldconditions and further reﬁne the design for optimal functionality
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Performance Comparison of AWS IoT Connected Dataloggers in Glacier Environments: Campbell CR1000X vs. ESP32 Open Source
(Institute of Electrical and Electronics Engineers Inc., 2024)
Alvarado Lugo, Robert A.
;
Cardenas Campana, Jessenia
;
Coaguila Agurto, Susan
;
Lovon Ramos, Percy W.
;
Lujan Leon, Jean
Monitoring hydrometeorological conditions in highmountain areas is crucial for understanding and mitigating theimpacts of climate change. This study addresses the developmentand implementation of both commercial and open-source data-loggers for weather monitoring in these environments. Througha review of the hardware and software used, we present thetools employed in the development of the study, along with thenetwork infrastructure that connects the city of Huaraz withLake Palcacocha, enabling internet access, as well as the IoTnetwork design for each datalogger. The commercial dataloggerwas conﬁgured according to the manufacturer’s guidelines, es-tablishing secure MQTT communication with AWS IoT Core.On the other hand, the open-source datalogger required thedevelopment of custom scripts in the Arduino IDE, incorporatingWiFi and MQTT libraries, and overcoming challenges relatedto network reconnection and data integrity. Field experimentsdemonstrated high data transmission efﬁciency (commercial:99.68%, open-source: 99.69%). Although the open-source data-logger required code tuning to achieve performance comparableto the commercial version, it proved viable as an open-sourcesolution for high-altitude monitoring. Compatibility with AWSIoT Core enabled real-time data visualization, storage, andenhanced responsiveness to extreme weather events.Keywords—ESP32 Datalogger, AWS IoT Core, MQTT Proto-col, High Mountain, Climate Surveillanc

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