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DHT22, DHT11 Sensor with Raspberry pi Node RED to display Temperature and Humidity Values on LCD
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DHT22, DHT11 Sensor with Raspberry pi Node RED to display Temperature and Humidity Values on LCD
Nodes need be installed.
node-red-contrib-dht-sensor
node-red-contrib-simpletime
#raspberrypi #nodered #lcd #dht11 #DHT22#Temperature#Humidity
my node-red flows:
[
{
"id": "08a70baddf8ba6f6",
"type": "tab",
"label": "Flow 8",
"disabled": false,
"info": "",
"env": []
},
{
"id": "6136b32f58d4e53e",
"type": "rpi-dht22",
"z": "08a70baddf8ba6f6",
"name": "",
"topic": "SENSOR DHT22",
"dht": "22",
"pintype": "0",
"pin": "4",
"x": 310,
"y": 60,
"wires": [
[
"9c1b69ce8f798c22",
"b167f1c0e0505931"
]
]
},
{
"id": "99d46d37f20fec64",
"type": "inject",
"z": "08a70baddf8ba6f6",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "1",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 130,
"y": 120,
"wires": [
[
"6136b32f58d4e53e"
]
]
},
{
"id": "9c1b69ce8f798c22",
"type": "function",
"z": "08a70baddf8ba6f6",
"name": "function 2",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 540,
"y": 140,
"wires": [
[
"b0bce9bd0189b1c3"
]
]
},
{
"id": "b0bce9bd0189b1c3",
"type": "LCD-I2C",
"z": "08a70baddf8ba6f6",
"name": "",
"variant": "PCF8574",
"size": "20x4",
"x": 660,
"y": 220,
"wires": []
},
{
"id": "b167f1c0e0505931",
"type": "simpletime",
"z": "08a70baddf8ba6f6",
"name": "",
"mydate": true,
"myymd": true,
"myyear": true,
"mymonth": true,
"mymonthn": true,
"mydom": true,
"mydoy": true,
"myday": true,
"myhourpm": true,
"myhour": true,
"mytime": true,
"mytimes": true,
"myminute": true,
"myminutes": true,
"mysecond": true,
"mymillis": true,
"myepoch": true,
"myrawdate": true,
"mypm": true,
"x": 330,
"y": 240,
"wires": [
[
"9c1b69ce8f798c22"
]
]
}
]
Nodes need be installed.
node-red-contrib-dht-sensor
node-red-contrib-simpletime
#raspberrypi #nodered #lcd #dht11 #DHT22#Temperature#Humidity
my node-red flows:
[
{
"id": "08a70baddf8ba6f6",
"type": "tab",
"label": "Flow 8",
"disabled": false,
"info": "",
"env": []
},
{
"id": "6136b32f58d4e53e",
"type": "rpi-dht22",
"z": "08a70baddf8ba6f6",
"name": "",
"topic": "SENSOR DHT22",
"dht": "22",
"pintype": "0",
"pin": "4",
"x": 310,
"y": 60,
"wires": [
[
"9c1b69ce8f798c22",
"b167f1c0e0505931"
]
]
},
{
"id": "99d46d37f20fec64",
"type": "inject",
"z": "08a70baddf8ba6f6",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "1",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 130,
"y": 120,
"wires": [
[
"6136b32f58d4e53e"
]
]
},
{
"id": "9c1b69ce8f798c22",
"type": "function",
"z": "08a70baddf8ba6f6",
"name": "function 2",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 540,
"y": 140,
"wires": [
[
"b0bce9bd0189b1c3"
]
]
},
{
"id": "b0bce9bd0189b1c3",
"type": "LCD-I2C",
"z": "08a70baddf8ba6f6",
"name": "",
"variant": "PCF8574",
"size": "20x4",
"x": 660,
"y": 220,
"wires": []
},
{
"id": "b167f1c0e0505931",
"type": "simpletime",
"z": "08a70baddf8ba6f6",
"name": "",
"mydate": true,
"myymd": true,
"myyear": true,
"mymonth": true,
"mymonthn": true,
"mydom": true,
"mydoy": true,
"myday": true,
"myhourpm": true,
"myhour": true,
"mytime": true,
"mytimes": true,
"myminute": true,
"myminutes": true,
"mysecond": true,
"mymillis": true,
"myepoch": true,
"myrawdate": true,
"mypm": true,
"x": 330,
"y": 240,
"wires": [
[
"9c1b69ce8f798c22"
]
]
}
]
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