Gps is a standard, anyone can do it. ODB2 is a mishmash of vendor spesific magic dust, and trap doors. It is impressive if you find a device that handles any car.
The basic ODB2 stuff – which includes the speed readout – is a standard mandated by the government. It’s stuff like being able to talk to other modules over CANBUS that’s manufacturer-specific.
A GPS speedo would work too.
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A device talking to satellites in space is less exciting than some wire going to the engine 🤔
Gps is a standard, anyone can do it. ODB2 is a mishmash of vendor spesific magic dust, and trap doors. It is impressive if you find a device that handles any car.
The basic ODB2 stuff – which includes the speed readout – is a standard mandated by the government. It’s stuff like being able to talk to other modules over CANBUS that’s manufacturer-specific.