So I wanted to control my Gazco Fireplace using my LightwaveRF app and Alexa. It has a 433MHz remote control but obviously its own protocol / commands.
I built a little 433MHz protocol converter using Raspberry Pi and 433MHz RX and TX modules, and my LightwaveRF 433MHz libraries.
The program listens for LightwaveRF messages and when it hears on/off for a on/off switch I added to the App then it transmits on/off to the fireplace using Gazco protocol
Details are at https://github.com/roberttidey/lightwave2Gazco
So now we can say “Alexa: Turn Lounge fireplace On’ (or Off)
Technique can be generalised to control other types of appliances in this way.
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