Another possibility that we can give Home Assistant is to install smoke detectors, These are wireless, powered by a small battery and communicate any notification by radio frequency., There are many types and quite cheap, For just €5 you can make sure that nothing burns in your home or office! This is how cheap we protect ourselves, and in the end we will see how to alert with Telegram in case there is smoke.
Start the march! The first step in my case (after having Home Assistant installed), will centralize and receive all radio frequency signals with the fabulous Sonoff Bridge RF; and then send the sensor data to the MQTT Broker that we will mount in Home Assistant. That is, the Sonoff Bridge in this case will listen by RF and transmit by Wifi to the Hassio any data that interests us.
If we want to analyze some type of gas with a Raspberry Pi, we can make it very simple with MQ sensors, we will only need to know in any case which sensor to obtain depending on the gases to be analyzed and that's it, We will see in this post how to connect it and get the values. As usual, at the end we will save the data obtained in a MySQL database to visualize it from Grafana!
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Windows Server – VMware vSphere – Citrix Virtual Apps & Desktops – Centreon
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