Solar Electric System + Arduino Yun +

thelibraproject.comIoT – 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

Solar System

Arduino Yun

ACS712 Current Sensor (2)

Voltage Divider Circuits (2)

WebServer(thelibraproject.com/Solar/solar_power.php)

The Fruits of My Labor

Lifetime StatisticsHow has my system functioned over time?

Current StatisticsWhat’s going on right now?

TrendsWhat have I learned and how can I apply it?