A computer with a control board and sensors for convenient management of the vessel's resources. The photo shows an example of the implementation of the control panel with lighting switches, but it is possible to realize according to the wishes of the customer.
Measurement of liquid levels in tanks (e.g. 2 water tanks and fuel tank) in percent.
Voltage measurement of 2 batteries.
Temperature measurement with DS18B20 sensor.
Flash memory (for collecting data, e.g. about exceeding the speed limit).
Output for two bistable buttons, one for deleting or entering some of the initial parameters and one for changing screens.
DC 6-28V power supply with reverse polarity protection, LED indication about connected power supply.
8 measuring inputs (voltage dividers on the board).
Display 2x16 characters, character height 10mm (very large display, you can use a ribbon to install another or in other place).