It is better late than never.
Here is a diagram and a very simple solar tracking system that works on both axes.

Good morning all. The previous posts are a bit dated and I just stumbled across them while doing further research. For the solar pursuit I found a simple and inexpensive diagram (how to join it?), And a message from the author that I attach below. If that can help. Best regards to all Al ...

Good morning all. If you have any questions, doubts or are simply looking for some information, go and visit this site where you can find people who already have self-built installations. http://www.apper-solaire.org/ Best regards ...