The idea is a simple system to record boat trips with technical data taken en route.• A date• A crew, possible link with contacts, later team stats, possibly weight?• A boat, possibly photo, description• A standard logbook description with observations• Then we start START○ GPS socket○ Trace on a map possible○ Actual speed in km / h or knots / h or miles / hour○ Distance, same units○ You can paste a weather image or resume / enter info• Possible PAUSE○ Buoy plug with alarm○ Storage of places• STOP to validate the registration