D20.6 - Concurrent Power Generation and Data Transmission: A 2.4 GHz LoRa Solar Monitoring System

Thursday, March 26, 2026

12:00 PM - 1:45 PM CT

Location: Hemisfair Ballroom

Technical Dialogue Presenter(s)

Lúcio Rogério Júnior

Universidade Federal de Uberlândia

Presentation Paper

Co-Author(s)

FP

Felipe Presti

ufu - Federal university of Uberlândia
LD

Lucas Dantas

ufu - Federal university of Uberlândia
Luiz Freitas, Dr. (he/him/his)

Universidade Federal de Uberlândia
LS

Luiz Souza

ufu - Federal university of Uberlândia
MC

Márcio Cunha

ufu - Federal university of Uberlândia
MA

Marcelo Almeida

ufu - Federal university of Uberlândia
LC

Lucas Campos Lofrano

ufu - Federal university of Uberlândia

A self-sufficient solar irradiance monitoring system was developed for photovoltaic (pv) installations, powered directly by the monitored panel to eliminate external power requirements. The design integrates a calibrated irradiance sensor, an energy-harvesting power circuit, a microcontroller, and a 2.4 GHz LoRa transceiver for low-power, long-range communication. Field tests showed high throughput, achieving 79% of the theoretical link capacity at short range and over 60% at 100 m, enabling continuous, real-time data transmission in remote pv farms. The solution reduces installation complexity, lowers maintenance, and supports scalable deployment. This approach facilitates efficient asset management, performance optimization, and predictive maintenance for distributed solar power systems.