Calculate presence based on lat/long and distance
npm install node-red-contrib-geopresenceA Node-RED node that detects whether a given set of coordinates is within a specified distance of a fixed location.
- One input, one output
- Configurable location and radius
- Dynamic coordinate checking from msg, flow, or global
- Customizable presence and absence messages
- Uses Haversine formula for accurate distance calculation
```bash
npm install node-red-contrib-geopresence