User Manual (includes the Schematics)
We have a User Manual that describes how to install the board, how to program each bit and piece.
The latest version is for the GTA04A3 board (and A4 will come soon).
Please download here: Manual
The schematics are part of the User Manual (Appendix).
The manual is provided under a CC-BY-NC-SA licence. This means that you may share the document under the same licence and you may make modifications. But you must mention the original author. And, you may not sell the document. If there is a need for that, please contact the project.