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Category: MQTT

Server side geofencing with Owntracks, Node-Red and Domoticz

Where to start? The first challenge was getting data from my phone on public networks to my private MQTT server. At home I run Mosquitto for handling any message brokering, particularly with Domoticz and Node-Red pushing messages around. I won’t go into the details, but suffice to say I have […]

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1-wire, Node-Red, Domoticz & Grafana

Recently I posted a shiny graph of my garage temperature after I’d put a car with a hot engine in there. The spikes were fairly pronounced, and it was possibly to see where I’d left the door open whilst I worked on the car, before going for a test drive […]

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Heating control

Recently I mentioned monitoring the house with wireless sensors dotted around the place. It uses node-red to average the temperatures, and come up with a synthetic value that gets reported back to the home control system, Domoticz. Next stage is to control the heating. The heating system in my house […]

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Household temperature monitoring

I’ve had it in my mind to control the heating of the house via the computer for a while now, but my first requirement was always to monitor the environment, so the computer can at least make an informed decision about whether the heating is *actually* required. A while ago […]

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ESP8266 Links

What with the recent buzz around the latest ESP8266 chips, I thought I should compile a list of handy links here… The manufacturer of ESP8266 – http://espressif.com/ Manufacturer discussion forum – http://bbs.espressif.com/ Community forum – http://www.esp8266.com/ Lua based firmware – http://nodemcu.com/index_en.html Discussion regarding MQTT on the ESP8266 – https://groups.google.com/forum/#!topic/mqtt/Uy985KUpG64 ESP8266 […]

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