NMEA 0183 and NMEA 2000 differ significantly. For software projects, the most important question is which data source is actually accessible and which existing infrastructure can be used.
NMEA 0183
Text-based, easy to log, and common in older or mixed setups. Often a good entry point for custom parsers and data exports.
NMEA 2000
CAN-based and more complex. Pure software projects often work through existing gateways, exports, or intermediate layers instead of custom devices.
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