Connecting an unsupported device (Nobo heater)

Devices
1

Hello,
Currently I have my home equipped with the Nobo heaters that are controlled by Nobo hub using wifi to connect to the heaters. The system can be controlled using either a phone app or a Nobo wifi remote that connects to the hub. The remote is basically a four button switch powered by a CR2032 battery:

  • Schedule: radiators are using predetermined schedule saved on the hub
  • Comfort: all radiators maintain comfort temperature (22 in my case)
  • Away: all radiators maintain away temperature (14 in my case)
  • Vacations: all radiators maintain vacation temperature (7 in my case)

Homey does not have any app to connect to Nobo system and I am wondering if there is any workaround.

I would like Homey to be able to switch Nobo between Schedule and Away states.

I was wondering if this can be done through any of the following:

  • Sniffer. I know, that e.g. 433MHz signal can be sniffed by Broadlink RM Pro+. Is there a similar wifi sniffer that can mimic a signal sent by Nobo remote (most likely not, though, because it is not about sending a wifi signal, but sending a signal to the Nobo hub that it would accept)

  • ammending Nobo switch with several receivers soldered to the respective buttons. Once Homey sends signal, a receiver should short the circuit of the respective button briefly, thus emulating button press. Notably, I do not need any feedback from Nobo to Homey. So, one-way receiver should work.

Hence, do you know of any receivers supported by Homey that can do the job? Obviously, the receiver should be self-powered/externally powered, since it cannot be powered from the Nobo switch.

Thank you.

1 Like
2

I follow you on this issue, I have a simliar setup at my home, but older.
I have 6 Nobø TRB36 floor thermostats, which are communicating on RF with a older Orion Hub. It should be possible to control the thermostats from Homey. From my reading, nobody had done any effort on the Nobø/Glen-Dimplex internal communication systems. I am training myself to be able to build this myself, but will take time.

By the way, from all I have read, the frequency of communication is 868. (pardon the Norwegian here)

Homey is able to both communicate and sniff on 868, as well as 433

br

3

On Homey Developer
you can Record a Signal and Emulate a Signal.

4

I stand corrected, it is not sniffing as such, just recording 4 sec of 433 or 868. And with an uknown comm protocol, it is a long stretch.

5

Hello Jan. Did you manage to find a way to control Nobø heaters with Homey Pro? I have various Nobø wall heaters and also floor heating thermostats that I can control through the Nobø app. I’m planning to purchase Homey Pro 2023, but if I won’t be able to control the heating system, it will be a significant drawback. Please, can you write me a response if it’s already possible? Thank you.

4 Likes
6

Jeg har fått inn nobø hub ved å installere denne:

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