The red rectangle highlights the T2 battery drain due to overheating.

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An Internet of Things (IoT) Application on Volcano Monitoring.

Received: 13 August 2019 Revised: 17 October 2019 Accepted: 23 October 2019 Published: 26 October 2019.

Devices were deployed as follows: the gateway in the Parador, the repeater at the southern rim of Teide crater, and the eight thermometers on the summit part of Teide volcano (areas A and B).

The location of each thermometer within both areas is highlighted.

Grey dashed rectangles point out temporally interruptions in communications due to adverse weather conditions.

Red dashed rectangles highlight malfunctions in thermometers T2 and T8.

Raspberry Pi Sleep Mode