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The Arduino solar meter is a program that runs on an Arduino controller.

This program started in 2009 when I got my first set of solar panels and wanted to log the production of the set. In the last years, several additions and improvements were made. Because many people that also use this program ask for more documentation, I have created this project page.

The program can read information from various devices in your meter cabinet at home. It can send data to different websites to make nice graphics.

There are different versions of the solarmeter. The early versions are documented on the previous home page of this project: solarmeter.codeproject.com.

Since codeproject is not active anymore, versions 11.4 and above are stored and documented here.

Unfortunately, the memory in the Arduino is not large enough to hold all the options so a choice has to be made.

If you like this software, please consider a donation so I can keep building and testing new functions.

If you use this software, please add your system to the Pvoutput team

Also consider reviewing the software