Add MQTT/OwnTracks workflow for location tracking

- Add tracker-mqtt.json: New n8n workflow for MQTT-based location data
- MQTT workflow subscribes to owntracks/# topic
- Transforms OwnTracks data format to NocoDB schema
- Stores locations in same database as Telegram workflow
- Update CLAUDE.md with MQTT workflow documentation
- Add OwnTracks integration guide and data mapping details

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
2025-11-14 11:43:03 +00:00
parent 8f8923c9be
commit 38dcd73100
2 changed files with 358 additions and 34 deletions

185
tracker-mqtt.json Normal file
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@@ -0,0 +1,185 @@
{
"name": "MQTT Location Tracker - NocoDB",
"nodes": [
{
"parameters": {
"topics": "owntracks/#",
"options": {}
},
"id": "a1b2c3d4-5e6f-7a8b-9c0d-1e2f3a4b5c6d",
"name": "MQTT Trigger",
"type": "n8n-nodes-base.mqttTrigger",
"typeVersion": 1,
"position": [
80,
128
],
"credentials": {
"mqtt": {
"id": "MQTT_CREDENTIAL_ID",
"name": "MQTT Broker"
}
}
},
{
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json._type }}",
"value2": "location"
}
]
}
},
"id": "b2c3d4e5-6f7a-8b9c-0d1e-2f3a4b5c6d7e",
"name": "Ist Location?",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
304,
128
]
},
{
"parameters": {
"jsCode": "// Extrahiere MQTT Location-Daten für NocoDB\nconst items = $input.all();\nconst results = [];\n\nfor (const item of items) {\n const data = item.json;\n \n // Timestamp (tst = Unix timestamp in seconds)\n const timestamp = new Date(data.tst * 1000).toISOString();\n const displayTime = new Date(data.tst * 1000).toLocaleString('de-DE');\n \n // Erstelle marker_label aus tid (tracker ID)\n const trackerLabel = data.tid || 'Unknown';\n \n // Optional: Verwende SSID als zusätzliche Info wenn vorhanden\n const markerLabel = data.SSID ? `${trackerLabel} (${data.SSID})` : trackerLabel;\n \n results.push({\n json: {\n latitude: data.lat,\n longitude: data.lon,\n timestamp: timestamp,\n user_id: 0, // MQTT hat keine User-ID, default auf 0\n first_name: trackerLabel,\n last_name: data.source || 'mqtt', // z.B. \"fused\"\n username: data.tid || '',\n marker_label: markerLabel,\n display_time: displayTime,\n chat_id: 0, // MQTT hat keine Chat-ID, default auf 0\n // Optional: Zusätzliche MQTT-Daten als Referenz\n mqtt_data: {\n accuracy: data.acc,\n altitude: data.alt,\n battery: data.batt,\n velocity: data.vel,\n course: data.cog,\n connection: data.conn,\n bssid: data.BSSID\n }\n }\n });\n}\n\nreturn results;"
},
"id": "c3d4e5f6-7a8b-9c0d-1e2f-3a4b5c6d7e8f",
"name": "MQTT Location verarbeiten",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
528,
112
]
},
{
"parameters": {
"authentication": "nocoDbApiToken",
"operation": "create",
"projectId": "pdxl4cx4dbu9nxi",
"table": "m8pqj5ixgnnrzkg",
"fieldsUi": {
"fieldValues": [
{
"fieldName": "latitude",
"fieldValue": "={{ $json.latitude }}"
},
{
"fieldName": "longitude",
"fieldValue": "={{ $json.longitude }}"
},
{
"fieldName": "timestamp",
"fieldValue": "={{ $json.timestamp }}"
},
{
"fieldName": "user_id",
"fieldValue": "={{ $json.user_id }}"
},
{
"fieldName": "first_name",
"fieldValue": "={{ $json.first_name }}"
},
{
"fieldName": "last_name",
"fieldValue": "={{ $json.last_name }}"
},
{
"fieldName": "username",
"fieldValue": "={{ $json.username }}"
},
{
"fieldName": "marker_label",
"fieldValue": "={{ $json.marker_label }}"
},
{
"fieldName": "display_time",
"fieldValue": "={{ $json.display_time }}"
},
{
"fieldName": "chat_id",
"fieldValue": "={{ $json.chat_id }}"
}
]
}
},
"id": "d4e5f6a7-8b9c-0d1e-2f3a-4b5c6d7e8f9a",
"name": "Speichere in NocoDB",
"type": "n8n-nodes-base.nocoDb",
"typeVersion": 2,
"position": [
752,
112
],
"credentials": {
"nocoDbApiToken": {
"id": "6fNBtcghMe8wFoE5",
"name": "NocoDB Token account"
}
}
},
{
"parameters": {
"height": 320,
"width": 896,
"color": 5
},
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
0
],
"typeVersion": 1,
"id": "e5f6a7b8-9c0d-1e2f-3a4b-5c6d7e8f9a0b",
"name": "Sticky Note"
}
],
"pinData": {},
"connections": {
"MQTT Trigger": {
"main": [
[
{
"node": "Ist Location?",
"type": "main",
"index": 0
}
]
]
},
"Ist Location?": {
"main": [
[
{
"node": "MQTT Location verarbeiten",
"type": "main",
"index": 0
}
]
]
},
"MQTT Location verarbeiten": {
"main": [
[
{
"node": "Speichere in NocoDB",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "mqtt-location-tracker-v1",
"meta": {
"instanceId": "12d864c68e4fb5dfd100dc0c683b95f43cd55af7e9efa82e25407fac5a3824a5"
},
"id": "MqttLocationTracker01",
"tags": []
}