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Node-RED is easy to install on a Raspberry Pi (see Node-RED is configured with “flows” that typically reads data from a set of sources, checks some conditions, transforms the data and outputs it to different destinations. Feature Requests. It turns out that there is a perfect Node-RED package (by Maxwell Hadley) for this purpose:With this package installed for Node-RED, I was able to create a flow that transforms the data from my two climate devices (temperature, temperature+humidity) and my motion detector to MQTT messages:This node reads from the rfxtrx device connected to the Raspberry pi. I came up with these protocols and ID:s:After reducing the number of active protocols to these ones and storing the settings on the device, I could move the RFXtrx433E to my Raspberry Pi / Linux environment.After attaching the RFXtrx433E to my Raspberry Pi, my first experiment was to let Home Assistant read from the device via USB.
Et Home Assistant dans tout ça. Suggest a feature, get fellow users to vote on it and see it happen. The msg.payload object will contain a temperature and a humidity property for my Telldus outdoor sensor and a temperature object for my no-name sensor. The is an exodus of users moving to OpenHab or Home Assistant.

It is very useful for transforming data from one format to another and let data go in different directions depending on conditions that you define. With my sensors active, it should produce an output similar to:I removed the rfxtrx-platform configurations from Home Assistant and added some I use customization to give the entities dedicated icons and friendly names for the display:For the motion sensor to display when the last motion was detected, I use a As the RFXtrx433E is a transceiver, it can also be used for sending commands.

The msg.topic property is the name and ID of the device.

Available for free at home-assistant.io I have some home made sensor devices scattered around our home that sends detection and climate information via 433 MHz using my own simple protocol. Generate RFXcom ID for Home Assistant See these posts for details:I recently bought some inexpensive off-the-shelf 433 MHz sensor devices that I want to include in my home automation system. (The structure of the rfxtrx objects can be investigated by adding a debug node to the rfx-sensor read node and checking the logs)This node routes the data to different nodes depending on the topic (which is the name and ID of the device):These nodes takes the sensor value and sets it as msg.payload.
This can be achieved with a JavaScript-node in Node-RED:A counter in the flow is used for creating messages with values from 0-100 (and then the counter starts from 0 again).As the message for the motion sensor was created in the previous node, I only have to set the proper topic before publishing the MQTT message:The setup can be tested by using mosquitto_sub on a computer on the local network (where the -h switch specifies the ip-address where the mosquitto broker is running):This command will subscribe to all MQTT topics starting with Home/ and outputs the topic and value when a message is received. As great as Home Assistant is, the RFXcom detection can be a little tricky. Elle est compatible aujourd’hui avec près de 1500 services/produits comme Philips Hue, Google Home, IKEA, Xiaomi, etc. As the open-source product, it is licensed under Apache 2.0. Home Assistant turns your Raspberry Pi (or other device) into the ultimate Home Automation hub. This post describes how I have setup an RFXtrx433E device with a Raspberry Pi to transform data from inexpensive 433 MHz motion- and climate-sensors into MQTT messages on my local network. The Node-RED flow is available from my My Home Assistant and Node-RED configurations are available from GitHub:Fill in your details below or click an icon to log in:Enter your email address to follow this blog and receive notifications of new posts by email.

I found a solution with Node-RED, see below.Node-RED is a NodeJS-based platform that can be tailored for a lot of different purposes. I also have an old no-name thermometer that I want to add to my system.RFXtrx433E is a USB-attached device that supports a wide range of 433.92MHz protocols for incoming- and outgoing data.For reducing noise when reading data, it is preferable to activate only the protocols that are needed in your setup. I haven´t really found any significant advantage of Domoticz over Home Assistant or OpenHab. Elle est développée depuis 2013 aux États-Unis principalement et dans le monde entier grâce aux nombreux contributeurs.

I have created a new Node-RED flow for controlling a set of Telldus 433 MHz outlets via MQTT. Home Assistant est solution open-source et 100% gratuite basée sur Python 3. I want to transform data from RFXtrx433E to MQTT. [shell] sudo apt-get install python3-pip sudo pip3 install rpi-rf [/shell] Une fois rpi-rf installé, nous pouvons passer à la configuration de Home Assistant. I think it was a great platform at some point, however, the community is not as strong as it used to be.