Outputs:
* D0: Relais 1(Serial RX)* D1: Relais 2(Serial TX)
* D2: LCD
* D3: LCD
* D11: SD_IN
* D12: SD_OUT
* D13: SD_CLK(Built-in LED)
== Components ==
* ULN2803A [http://www.ti.com/lit/ds/symlink/uln2803a.pdf Datasheet]
* Arduino UNO ?
* ...
== Pictures ==
<gallery>
Image:PaleoSolarCharger_inside1.jpg|Inside the box
</gallery>