A low-cost micro-controlled acquisition and remote monitoring system for photovoltaic data analysis

A low-cost micro-controlled acquisition and remote monitoring system for photovoltaic data analysis

🎙 Prof. Humberto Beltrão and team 👥 2K 📅 April 13, 2018 ⏱ 15 min 👁 156 📄 original study 🧭 2026-08-18
Available in: English (current) Français

Keywords

photovoltaicdata acquisitionmicrocontrollerBluetoothAndroid

Summary

The video presents a low-cost system for photovoltaic panel monitoring, developed by Prof. Humberto Beltrão and students at the Federal Institute of Education, Science and Technology of Ceará. The system comprises a data acquisition unit (DAU) and a data monitoring unit (DMU). The DAU uses an Arduino Nano microcontroller, an LM35 temperature sensor, a Bluetooth module (HC-06), and voltage/current dividers, costing under $25. The DMU is an Android app that receives data via Bluetooth and displays voltage, current, and temperature graphically. Experiments were conducted on a solar panel under sunny and cloudy conditions, showing low measurement errors (0.001 A for current, 0.25 V for voltage, 0.1°C for temperature). The system aims to provide an affordable monitoring solution for both commercial and educational use. The presentation includes context on solar energy growth and Brazil’s potential, and concludes with future plans for Wi-Fi integration.

142 words

Critical Evaluation

Value of the Information & Strength of the Argument

The value of the information lies in the practical demonstration of a low-cost monitoring system, with specific component costs and measured errors. The argumentation is straightforward: the system is affordable and effective, supported by experimental results. However, the presentation lacks detailed methodology, statistical analysis, and comparison with existing systems, limiting its scientific rigor.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is moderate: the work is presented as a conference presentation, but no external sources are cited, and the methodology is not fully detailed. The title accurately reflects the content. No comments were provided for analysis.

106 words

Title / Content Match

The title accurately reflects the content: a low-cost microcontroller-based system for photovoltaic data acquisition and monitoring.

Quality & Reliability

6/10

The presentation describes a specific prototype with measured results, but lacks detailed methodology, statistical analysis, and peer-reviewed references. The claims are plausible but not rigorously verified.

Key Moments

Contribution & Novelties

The main contribution is the demonstration of a low-cost (<$25) photovoltaic monitoring system using off-the-shelf components, making it accessible for educational and small-scale applications. The system provides real-time data on voltage, current, and temperature via Bluetooth to an Android device.

Pour aller plus loin :

  • Arduino — The microcontroller platform used in the DAU.
  • LM35 temperature sensor — The temperature sensor used.
  • Bluetooth — The wireless communication protocol used.
  • Photovoltaic system — Overview of PV systems and monitoring.

78 words

Radar Profile

The radar profile shows moderate scores across all dimensions, indicating a balanced but not outstanding presentation. The system's practical value is evident, but the lack of rigorous scientific depth and external validation keeps the overall quality moderate.

Reliability 5/10