Remote Monitoring of Solar Electric System Using Arduino Yun

Dec 05, 2025

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This article outlines the development of a solar electricity system that allows for remote performance monitoring via Arduino Yun. The system tracks three key metrics: power generated, power used, and current battery level. Key components include a 100W solar panel, a 34AH battery, a 12A charge controller, and a 400W inverter. The data is collected using ACS712 current sensors and voltage divider circuits, with everything displayed through a web server hosted at thelibraproject.com. The article also reflects on system performance over time and lessons learned.

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Remote Monitoring of Solar Electric System Using Arduino Yun

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Solar Electric System + Arduino Yun + thelibraproject.com IoT – 12.3.2013
What was I trying to do? Create a solar electricity system and monitor its performance remotely 3 key metrics: • Track power generated • Track power used • Monitor current battery level AZ > IL > nothing Solar Side Note:
Solar Power System • 100W Solar Panel • 34 AH battery • 12A Charge Controller • 400W DC->AC Inverter
Arduino’s Role Arduino Yun Solar System ACS712 Current Sensor (2) Voltage Divider Circuits (2) WebServer (thelibraproject.com/Solar/solar_power.php)
The Fruits of My Labor Lifetime Statistics How has my system functioned over time? Current Statistics What’s going on right now? Trends What have I learned and how can I apply it?