Tag Archives: MQTT


I got an Amazon Echo the day it came out in the UK, and replaced the Raspberry Pi version in my kitchen with it. I also have an Amazon Dot on order for when in comes out in the UK … Continue reading

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MQTT Topic Hierarchy

Here is my current MQTT topic hierarchy in a real-time updating web page, produced by Ben Hardill‘s MQTT Topic Hierarchy browser. I need to sort a lot of things out. The data is sometimes correctly scaled, and sometimes not. The … Continue reading

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You’ve got mail

My house now lets me know when I have mail delivered through my letter box. This is mainly electronic components from China. It tells me “You’ve got mail” in a Stephen Hawking voice. It takes a few Raspberry Pi servers … Continue reading

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ESP8266 MQTT Relay

Another development board for the ESP8266 that I have tried is the Olimex ESP8266 EVB, which I bought from ebay. This has a relay, a button for flashing, a UEXT socket which includes the serial lines used for flashing and … Continue reading

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