MQTT in Node RED: Building a Dashboard and Logging Data
Ғылым және технология
In this video, you will learn how to use Node-RED to build a dashboard and log data. We will start by installing Node-RED and then move on to building a simple “Hello World” example. Next, we will show you how to get data from an ESP32 using MQTT protocol and display it in Node-RED. Finally, we will demonstrate how to log the data in a CSV file. By the end of this video, you will have a solid understanding of how to use Node-RED to build dashboards and log data.
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Video Chapters:
00:00 Simulating IoT projects in Wokwi
00:25 Introduction
00:45 what is Node red ?
01:10 Code is available at highvoltages.co/iot-internet-...
01:28 How to install Node red ?
02:45 How to run node red in windows ?
03:05 Introduction to Node red User interface.
03:50 Node Red Hello world!
05:05 How to install new Palettes in Node red? Installing Dashboard Palette
06:00 Creating a dashboard layout
10:30 MQTT in Node red
13:35 How to use functions in Node red.
15:00 MQTT and Node red dashboard
17:40 Logging data to CSV file in Node red
19:30 Final Test
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code and blog: highvoltages.co/iot-internet-...
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#MQTTinNodeRED #MQTTDASHBOARD #MQTT #HowtoMQTT #nodered
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Please watch: "How to Set Up Wokwi for IoT Simulation in VS Code with PlatformIO"
• Simulating IoT project...
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Пікірлер: 12
Thanks for the informative video, it helps me greatly with my project. :D
Perfect
Hiw did you set up the MQTT broker? You haven't said. Is there a link that explains this?
Sir can I run two stepper motors simultaneously and obatin data through nodered?
why on my node-red website Cannot GET /ui/
what is the funcyion between mqtt and neopixel!!
@HighVoltages
3 ай бұрын
In this video, neopixel is connected to the ESP32 and ESP32 is connected to the Node-red using MQTT protocol and (MQTT+node red) is allowing us to control the neopixel led.
How do you set up an MQTT broker on windows?
@HighVoltages
3 ай бұрын
We did not set up the MQTT broker on Windows but we used the hivemq MQTT broker. From windows , using node-red we are just subscribing and publishing data. Please check previous videos, in which we have used hivemq MQTT broker.
@DavidBarnwell876tkdja
3 ай бұрын
OK, I figured it out thanks. But in your code you give a client ID. Is that an ID you created or was it autogenerated? If it was autogenerated, where did you find it?@@HighVoltages
@HighVoltages
3 ай бұрын
You can write anything in the client id but each device should have a unique client id.
@med_boukhatem
2 ай бұрын
@@DavidBarnwell876tkdja how you did it please ??