Dokumentation für NocoDB-Setup und n8n-Workflows hinzugefügt

- NocoDB-Tabellenstruktur mit allen erforderlichen Spalten dokumentiert
- n8n-Workflow für automatische Datensammlung (alle 15 Min.) hinzugefügt
- n8n-Webhook für Datenbereitstellung an Visualisierung hinzugefügt
- CSV-Beispieldatei als Strukturvorlage hinzugefügt

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

Co-Authored-By: Claude <noreply@anthropic.com>

feinstaub-daten.json

@@ -0,0 +1,169 @@
+{
+  "name": "Feinstaub Sensor",
+  "nodes": [
+    {
+      "parameters": {},
+      "type": "n8n-nodes-base.manualTrigger",
+      "typeVersion": 1,
+      "position": [
+        0,
+        0
+      ],
+      "id": "97a097ea-86dd-4cc1-9fe8-0b93c165fdb4",
+      "name": "When clicking ‘Execute workflow’"
+    },
+    {
+      "parameters": {
+        "url": "https://feinstaub.homeabc.de/data.json",
+        "options": {}
+      },
+      "type": "n8n-nodes-base.httpRequest",
+      "typeVersion": 4.2,
+      "position": [
+        192,
+        96
+      ],
+      "id": "3661b690-3859-4d85-84c9-5fb1d80fede2",
+      "name": "HTTP Request"
+    },
+    {
+      "parameters": {
+        "authentication": "nocoDbApiToken",
+        "operation": "create",
+        "projectId": "pdxl4cx4dbu9nxi",
+        "table": "mq93uflujstkrdh",
+        "fieldsUi": {
+          "fieldValues": [
+            {
+              "fieldName": "=SDS_P1",
+              "fieldValue": "={{ $json.sensordatavalues[0].value }}"
+            },
+            {
+              "fieldName": "SDS_P2",
+              "fieldValue": "={{ $json.sensordatavalues[1].value }}"
+            },
+            {
+              "fieldName": "BME280_Temperature",
+              "fieldValue": "={{ $json.sensordatavalues[2].value }}"
+            },
+            {
+              "fieldName": "BME280_Humidity",
+              "fieldValue": "={{ $json.sensordatavalues[4].value }}"
+            },
+            {
+              "fieldName": "Datum",
+              "fieldValue": "={{ $now.toLocaleString('de-DE', { timeZone: 'Europe/Berlin' }) }}"
+            },
+            {
+              "fieldName": "Uhrzeit",
+              "fieldValue": "={{ $now.toFormat('HH:mm:ss') }}"
+            }
+          ]
+        }
+      },
+      "type": "n8n-nodes-base.nocoDb",
+      "typeVersion": 3,
+      "position": [
+        384,
+        96
+      ],
+      "id": "1bfeba86-aca1-4b75-b2cb-5712645e0981",
+      "name": "Create a row",
+      "credentials": {
+        "nocoDbApiToken": {
+          "id": "T9XuGr6CJD2W2BPO",
+          "name": "NocoDB Token account"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "rule": {
+          "interval": [
+            {
+              "field": "minutes",
+              "minutesInterval": 15
+            }
+          ]
+        }
+      },
+      "type": "n8n-nodes-base.scheduleTrigger",
+      "typeVersion": 1.2,
+      "position": [
+        0,
+        192
+      ],
+      "id": "b9749aa9-4472-4b8c-b7ce-2ad59d979d6c",
+      "name": "Schedule Trigger"
+    }
+  ],
+  "pinData": {},
+  "connections": {
+    "When clicking ‘Execute workflow’": {
+      "main": [
+        [
+          {
+            "node": "HTTP Request",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "HTTP Request": {
+      "main": [
+        [
+          {
+            "node": "Create a row",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Schedule Trigger": {
+      "main": [
+        [
+          {
+            "node": "HTTP Request",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    }
+  },
+  "active": true,
+  "settings": {
+    "executionOrder": "v1",
+    "callerPolicy": "workflowsFromSameOwner",
+    "availableInMCP": false,
+    "errorWorkflow": "0bBZzSE6SUzVsif5"
+  },
+  "versionId": "fd1b3549-6bad-48eb-9b7c-e7554966ad01",
+  "meta": {
+    "templateCredsSetupCompleted": true,
+    "instanceId": "2f7fd37175cefa82de44e06b8af9ab9c01e7956018045d6efc4f7bf1588a41eb"
+  },
+  "id": "1P67HarmPSvmjDxc",
+  "tags": [
+    {
+      "updatedAt": "2025-11-01T14:23:20.263Z",
+      "createdAt": "2025-11-01T14:23:20.263Z",
+      "id": "N0uCqYBwuniqV9Up",
+      "name": "feinstaub"
+    },
+    {
+      "updatedAt": "2025-11-01T14:23:20.250Z",
+      "createdAt": "2025-11-01T14:23:20.250Z",
+      "id": "WqB4PpiYqVO3BD4U",
+      "name": "smarthome"
+    },
+    {
+      "updatedAt": "2025-11-01T14:23:20.273Z",
+      "createdAt": "2025-11-01T14:23:20.273Z",
+      "id": "k6O9Q9n2ZJ8bPx17",
+      "name": "sensor"
+    }
+  ]
+}