Hi Ambrogio,

I just finished to install my solar panels 2 weeks ago. (Yes... I'm a turtle...)
As I doesn't make any charger I bought a cheap MPPT solar charger from Ebay (china) and it's a fake MPPT (just PWM).
So I've made the PCB for my real MPPT solar charger. Using most same parts as your schematics (just using other equivalent parts and not ACS712 but a maxim current sensor)
I have to modify your source program. :-)
I just would like to ask you, if you're happy with your charger/program, or did you make any changes ?
I have 220W solar panels.
I will give some news about the MPPT charger asap, I just received 5 PCB from... china today.... Have to solder now.

regards and 73
F1SLU Hervé
Best regards