Last seen: Dec 18, 2025
@iancalderbank I am doing the calculations after I upload the data inputs to Emoncms.org Input = Heat Pump Shelly EM CT clamp + Indoor Tank Shelly E...
@iancalderbank I had the same thoughts when wiring up my 8kw unit. I used a few cable ties also and tried to find somewhere that made sense.
I have now managed to program the new registers. I think the issue may have been down to the lack of a 120 ohm resistor on the modbus card initially. ...
I switched the USB over to my Home Assistant machine and am getting some data in. Great start!
I received my modbus board today and installed it. The lcd on the board is flashing "00" and this is the message I get back when I run the first com...
I'm interested to get the my Samsung Modbus connection up and running so I can monitor the DHW temperatures. I have a hot water circulation pump set u...
My MIM B19N board didn't arrive before the weekend so I'll have to wait until next week to start working on it.
@william1066 Ok thanks for that, I have a raspberry pi which I should be able to use for the mbpoll config
@scrchngwsl I can't advise you on the technical aspects of it but can give you my opinion after carrying out similar works. We were adding an exten...
@william1066 Thanks for sharing all you have learned so far. Documenting what you have done so others can follow sometimes nearly takes as long as doi...
@william1066 I would be very interested if you could share your Home Assistant config. My MIM-B19N will hopefully be delivered by the weekend and look...
@william1066 That's very interesting to see in action. I have been using home assistant for a number of years and conveniently the pi is located besid...
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