The power supply
... transforms the 12V input from the battery down to 5V and can output up to 1.5A.
The actual SOC
- an Olimex board with an A20 Allwinner processor
- also comes from Olimex. The white platine is the GPS, for now external.
Ollie - An entirely self-programmed and self-assembled marine chartplotter
Mathias Fuchs, December 2019