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1-wire, Node-Red, Domoticz & Grafana

September 1, 2016 - Computers , Cool things , Geek , Home Automation , IoT , Linux , MQTT - by admin - No Comments

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 […]

The Old Backnet

October 26, 2015 - Computers , Geek , Uncategorized - by admin - 1 Comment

Spurred on by the Twitter discussion regarding the old Backnet network and Electron Club founding, I went for a rummage through some backups. @9600 @jonty also @kylegordon and @gordonjcp were tinkering with glasgownet (W coast Backnet) — Andrew Elwell (@elwell2000) October 25, 2015 Fond memories of the Backnet Assigned Names […]

AWS IOT with Mosquitto

October 9, 2015 - Computers , Geek , Home Automation , Internet , IoT - by admin - 3 Comments

Amazon AWS recently released the IOT service, a utility for lightweight devices to create and consume messages on the internet, and also in the case of AWS to leverage the rest of their feature set, such as Kinesis, Lambda, S3, DynamoDB, etc. Of course, I didn’t fancy using the AWS […]

ESP8266 notes

May 15, 2015 - Uncategorized - by admin - No Comments

So I finally got around to using my two ESP8266 modules. This is just some notes that I’ve collected whilst working on them. If you’re interested in the boot data, it uses a different baud rate from the main interface. It might be briefly caught if the right baud rate […]

Heating control

January 14, 2015 - Geek , Home Automation , MQTT - by admin - No Comments

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 […]