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Invading the Huum Uku WiFi Controller
I like saunas. For those unfamiliar with the concept, it is a hot room where you are occasionally beaten with tree-branches. You might have seen images like this: While in reality it is often more like this Anyway, while looking for my very own financial burden to call home, I stumbled upon an offering which heavily promoted the fact that it had a sauna.
I have more-or-less understood how the TCP communication works, I am successfully reading it, and also starting actions myself; I’ve found a way to force the controller to speak to my server, instead of Huum’s proprietary one. So with this avalanche of different apps on our phones, all piping way too much data for what should be needed to control a simple relay back to their authors, inevitable the desire build your own systems arises. Byte (group)Meaning 02 Message ID - Ping frequency update 3f 31 2e 68 Current timestamp (Little Endian) fc 0 - 255 delay in seconds 00 Termination Used by both the local physical interface and the server to turn the heater on and off.
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