Quick Introduction to Node Red ( Create a Basic MQTT Flow)
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- Опубликовано: 13 сен 2017
- What is node red ? In this video tutorial I'm going to give you a very quick introduction to node red and show you how to create a very basic flow.
For this demo I use a MQTT subscribe node and debug node to illustrate passing messages between nodes.
I run node red on a Linux laptop but it could easily be a raspberry pi.
However I connect to the node red server from my windows 10 desktop to create the demo flow.
The video covers adding and connecting and configuring basic nodes, the node-red console which is very useful for debugging flows.
The video is targeted at complete beginners.
There is a tutorial on the site that covers the install on windows and Linux
www.steves-internet-guide.com/...
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Have a question Use the comments or if you want help then use
www.steves-internet-guide.com/...
If you find these videos useful then you might want to consider buying me a coffee
www.paypal.me/StepenCope 
Хобби
I'm currently watching the whole playlist on Node-Red and I just wanted to say that it's helping me a lot, all the videos are very good and helpful, thanks a lot for sharing your knowledge
thank you for your feedback
Mr. Cope, I keep a close watch on your articles and videos about new technologies. I appreciate your sharing and your effort.
Your videos are short and to the point. I like that. Thanks
May I ask how to activate arduino sketch only when prompted in node red? Understand it's connected and running once successfully deployed..
Hi Beginner here, using nodered on raspbian stretch i'm able to do some basic stuff.
though, i need any guide/assistance in order to work with my first MQTT lab environment
i'm using armtronix ip-based 8ch relay and would like to turn on/off some Lights.
Any help, would be great :-)
Very nice video Steve, love it. It would be great if you have shown how to create the message "OFF", which is part of the topic named "sensor/#". I manage to send the same message by entering this in the mosquitto broker (a Raspberry PI) mosquitto_pub -d -t sensor/wildcard -m "OFF". You have used sensor/#, whereby "#" can be anything and for which I use "wildcard".
In the video I use a python script to generate the off message with script is availble here www.steves-internet-guide.com/simple-controllable-mqtt-sensor/
But you could use the mosquitto_pub client as you have done. You can even use node-red to control the sensor as you can see in the other node red video below
ruclips.net/video/Gu0Vq2kVNzw/видео.html
Thanks for your video!
how to configure the mqtt node, Server field you configured before? Have a z-wave Movement sensor and a z-wavecontroller mounted on my computer. How do i contact them in node red?
You will need some form of gateway..Take a look at this
github.com/intel-iot-devkit/intel-iot-gateway/tree/master/Getting%20Started%20With%20Node-Red%20and%20Z-Wave
many thanks for your fast answer!
do you mean IoT Gateway that uses Intel® IoT Gateway Technology is missing? this might be a really stupid question, but iam confused so sorry... can a Raspberry pi be this Gateway? where i plug the z-wave controller in?
- have one- Z-Wave controller interface (USB)
You need a gateway that bridges zwave to MQTT. You should be able to do this with the raspberry Pi. Take a look at this article
raspberrypihq.com/how-to-create-a-z-wave-smart-home-hub-using-a-raspberry-pi/
There are also commercial hubs that will do the trick like the Samsung smart things.
You might find this overview from my new site useful as it shows how zwave and zigbee connect to a home network. The site is still in early development.
stevessmarthomeguide.com/guide-home-automation/
Also this article may also be of use
jpmens.net/2014/01/14/a-story-of-home-automation/
and this
pypi.python.org/pypi/zwave-mqtt-bridge
Hope that helps
you didn't tell us how you configured server settings... my mqtt is disconnected.. and the video is useless for me
The video shows the server settings. Click in the edit link to add your server.All you need to do is add the IP address or domain name of the server if you are using a port other that 1883 then you also need to change that.
@@stevecope Thank you!