Application Fotobot collecting data from photovoltaic plants was designed originaly for standard PC - now it can be run in small module with ARM processor. You can use the module to collect data from your photovoltaic plant and for many other purposes where you need to collect data from a few serial ports at the same time.
All the software is release under GPL licence and it is available with all source code. You can adapt the device for your own needs. If you need, we can create for you custom software to collect your data.