The workflow JSON
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{
"name": "Control",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "aquatic-data",
"responseMode": "lastNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
0,
160
],
"id": "9798a7ac-333a-41f1-b9dd-4db0d6ded462",
"name": "Data Input"
},
{
"parameters": {
"operation": "update",
"dataTableId": {
"__rl": true,
"value": "4YA9hEAvKEtPc8WB",
"mode": "list",
"cachedResultName": "aquatic",
"cachedResultUrl": "/projects/AQZNm4sAOC6Wo9bW/datatables/4YA9hEAvKEtPc8WB"
},
"filters": {
"conditions": [
{
"keyValue": "1"
}
]
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"temperature": "={{ $json.body.temp }}",
"lux": "={{ $json.body.lux }}"
},
"matchingColumns": [],
"schema": [
{
"id": "image",
"displayName": "image",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"readOnly": false,
"removed": true
},
{
"id": "lux",
"displayName": "lux",
"required": false,
"defaultMatch": false,
"display": true,
"type": "number",
"readOnly": false,
"removed": false
},
{
"id": "temperature",
"displayName": "temperature",
"required": false,
"defaultMatch": false,
"display": true,
"type": "number",
"readOnly": false,
"removed": false
},
{
"id": "heater",
"displayName": "heater",
"required": false,
"defaultMatch": false,
"display": true,
"type": "boolean",
"readOnly": false,
"removed": true
},
{
"id": "lamp",
"displayName": "lamp",
"required": false,
"defaultMatch": false,
"display": true,
"type": "boolean",
"readOnly": false,
"removed": true
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.dataTable",
"typeVersion": 1.1,
"position": [
224,
160
],
"id": "ce778a23-20ed-4cf8-a58a-e803ab928e8e",
"name": "Update Data"
},
{
"parameters": {
"operation": "update",
"dataTableId": {
"__rl": true,
"value": "4YA9hEAvKEtPc8WB",
"mode": "list",
"cachedResultName": "aquatic",
"cachedResultUrl": "/projects/AQZNm4sAOC6Wo9bW/datatables/4YA9hEAvKEtPc8WB"
},
"filters": {
"conditions": [
{
"keyValue": "1"
}
]
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"heater": "={{ $json.body.heater }}",
"lamp": "={{ $json.body.lamp }}"
},
"matchingColumns": [],
"schema": [
{
"id": "image",
"displayName": "image",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"readOnly": false,
"removed": true
},
{
"id": "lux",
"displayName": "lux",
"required": false,
"defaultMatch": false,
"display": true,
"type": "number",
"readOnly": false,
"removed": true
},
{
"id": "temperature",
"displayName": "temperature",
"required": false,
"defaultMatch": false,
"display": true,
"type": "number",
"readOnly": false,
"removed": true
},
{
"id": "heater",
"displayName": "heater",
"required": false,
"defaultMatch": false,
"display": true,
"type": "boolean",
"readOnly": false,
"removed": false
},
{
"id": "lamp",
"displayName": "lamp",
"required": false,
"defaultMatch": false,
"display": true,
"type": "boolean",
"readOnly": false,
"removed": false
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.dataTable",
"typeVersion": 1.1,
"position": [
224,
-64
],
"id": "e5fb0885-a54c-4e2d-a2da-ffbd40cae5be",
"name": "Update Command"
},
{
"parameters": {
"path": "get-commands",
"responseMode": "responseNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
0,
384
],
"id": "6e8e02b4-b667-4e6e-b264-2faf3e565306",
"name": "Command Get"
},
{
"parameters": {
"httpMethod": "POST",
"path": "aquatic-commands",
"responseMode": "lastNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
0,
-64
],
"id": "3cb4e7a5-2c2d-4e6c-9de4-ca390b02883a",
"name": "Command Input"
},
{
"parameters": {
"path": "get-data",
"responseMode": "responseNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
0,
608
],
"id": "280bded7-2e6f-4fb6-a7c6-ff279b959efd",
"name": "Data Get"
},
{
"parameters": {
"operation": "get",
"dataTableId": {
"__rl": true,
"value": "4YA9hEAvKEtPc8WB",
"mode": "list",
"cachedResultName": "aquatic",
"cachedResultUrl": "/projects/AQZNm4sAOC6Wo9bW/datatables/4YA9hEAvKEtPc8WB"
},
"filters": {
"conditions": [
{
"keyValue": "1"
}
]
},
"returnAll": true
},
"type": "n8n-nodes-base.dataTable",
"typeVersion": 1.1,
"position": [
224,
384
],
"id": "93263730-df8b-4288-96b8-e673fc53f457",
"name": "Get Command"
},
{
"parameters": {
"operation": "get",
"dataTableId": {
"__rl": true,
"value": "4YA9hEAvKEtPc8WB",
"mode": "list",
"cachedResultName": "aquatic",
"cachedResultUrl": "/projects/AQZNm4sAOC6Wo9bW/datatables/4YA9hEAvKEtPc8WB"
},
"filters": {
"conditions": [
{
"keyValue": "1"
}
]
},
"returnAll": true
},
"type": "n8n-nodes-base.dataTable",
"typeVersion": 1.1,
"position": [
224,
608
],
"id": "58124112-4f16-493d-812a-f6fc2962a0bb",
"name": "Get Data"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={\n \"heat\": {{ $json.heater }},\n \"lamp\": {{ $json.lamp }}\n} ",
"options": {
"responseCode": 200
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.5,
"position": [
448,
384
],
"id": "84055764-e7ac-44d1-bfa1-4f22d2b19099",
"name": "Respond Command"
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={\n \"lux\": {{ $json.lux }},\n \"temp\": {{ $json.temperature }}\n} ",
"options": {
"responseCode": 200
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.5,
"position": [
448,
608
],
"id": "8ff4d678-2e85-4768-8a1b-f69893c374b3",
"name": "Respond Data"
},
{
"parameters": {
"operation": "update",
"dataTableId": {
"__rl": true,
"value": "4YA9hEAvKEtPc8WB",
"mode": "list",
"cachedResultName": "aquatic",
"cachedResultUrl": "/projects/AQZNm4sAOC6Wo9bW/datatables/4YA9hEAvKEtPc8WB"
},
"filters": {
"conditions": [
{
"keyValue": "1"
}
]
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"image": "={{ $json.body.image }}"
},
"matchingColumns": [],
"schema": [
{
"id": "image",
"displayName": "image",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"readOnly": false,
"removed": false
},
{
"id": "lux",
"displayName": "lux",
"required": false,
"defaultMatch": false,
"display": true,
"type": "number",
"readOnly": false,
"removed": true
},
{
"id": "temperature",
"displayName": "temperature",
"required": false,
"defaultMatch": false,
"display": true,
"type": "number",
"readOnly": false,
"removed": true
},
{
"id": "heater",
"displayName": "heater",
"required": false,
"defaultMatch": false,
"display": true,
"type": "boolean",
"readOnly": false,
"removed": true
},
{
"id": "lamp",
"displayName": "lamp",
"required": false,
"defaultMatch": false,
"display": true,
"type": "boolean",
"readOnly": false,
"removed": true
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.dataTable",
"typeVersion": 1.1,
"position": [
224,
-288
],
"id": "cc5de21d-4e2f-4eb5-bd81-49c1f3131f38",
"name": "Update Image"
},
{
"parameters": {
"httpMethod": "POST",
"path": "aquatic-image",
"responseMode": "lastNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
0,
-288
],
"id": "8de11ebc-cd32-49c4-809b-02262d6266ec",
"name": "Image Input"
},
{
"parameters": {
"path": "get-image",
"responseMode": "responseNode",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
0,
832
],
"id": "95e1f204-5eb9-472b-a1f0-39fd97c973dd",
"name": "Image Get"
},
{
"parameters": {
"operation": "get",
"dataTableId": {
"__rl": true,
"value": "4YA9hEAvKEtPc8WB",
"mode": "list",
"cachedResultName": "aquatic",
"cachedResultUrl": "/projects/AQZNm4sAOC6Wo9bW/datatables/4YA9hEAvKEtPc8WB"
},
"filters": {
"conditions": [
{
"keyValue": "1"
}
]
},
"returnAll": true
},
"type": "n8n-nodes-base.dataTable",
"typeVersion": 1.1,
"position": [
224,
832
],
"id": "e603fbe0-dd50-42ca-a8ed-38ec797b29fd",
"name": "Get Image"
},
{
"parameters": {
"respondWith": "binary",
"options": {
"responseCode": 200
}
},
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.5,
"position": [
672,
832
],
"id": "33828d29-b41d-4411-a670-0238fbaaa723",
"name": "Respond Image"
},
{
"parameters": {
"operation": "toBinary",
"sourceProperty": "image",
"options": {}
},
"type": "n8n-nodes-base.convertToFile",
"typeVersion": 1.1,
"position": [
448,
832
],
"id": "d3a3a73e-eca8-450f-a8f2-cb8e285d8e5e",
"name": "Convert to File"
}
],
"connections": {
"Data Input": {
"main": [
[
{
"node": "Update Data",
"type": "main",
"index": 0
}
]
]
},
"Command Get": {
"main": [
[
{
"node": "Get Command",
"type": "main",
"index": 0
}
]
]
},
"Command Input": {
"main": [
[
{
"node": "Update Command",
"type": "main",
"index": 0
}
]
]
},
"Data Get": {
"main": [
[
{
"node": "Get Data",
"type": "main",
"index": 0
}
]
]
},
"Get Command": {
"main": [
[
{
"node": "Respond Command",
"type": "main",
"index": 0
}
]
]
},
"Get Data": {
"main": [
[
{
"node": "Respond Data",
"type": "main",
"index": 0
}
]
]
},
"Image Input": {
"main": [
[
{
"node": "Update Image",
"type": "main",
"index": 0
}
]
]
},
"Image Get": {
"main": [
[
{
"node": "Get Image",
"type": "main",
"index": 0
}
]
]
},
"Get Image": {
"main": [
[
{
"node": "Convert to File",
"type": "main",
"index": 0
}
]
]
},
"Convert to File": {
"main": [
[
{
"node": "Respond Image",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1",
"availableInMCP": false
},
"versionId": "9ee05d27-05f6-439a-9760-728b92ea5f17",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "E891TNtXLKBg4owOR0K5j",
"tags": []
}
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About this workflow
Control. Uses dataTable. Webhook trigger; 16 nodes.
Source: https://github.com/hyskoniho/acqua-tic/blob/2c072f4c55186399599031fb66198b64804c3a91/n8n/Control.json — original creator credit. Request a take-down →
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