It’s nice to see a project that develops over time and Florian has a good example on his blog. He started off in the middle of last year by putting together a low-cost, arduino-based sensor for his garden and things seem to have just grown from there :-). You can follow along on his blog from the initial version of his bidirectional 433MHz, ESP8266-based, MQTT gateway, progressing to the IR enabled version by the end of the year and his OpenMQTTGateway project this year. It’s a good read and a great little project to follow.
esp8266hints 
[…] visitors may remember a mention I made of an ESP8266/433Mhz gateway project a couple of weeks back. Well, one of the reasons I found it so interesting was that I have a (fairly long-in-the-tooth) […]
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