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Last seen: Nov 20, 2025
I've got the hidden registers being registered in two custom commands on boot of the ESP in my config here. I've put comments beside each register to ...
minimalmodbus requires full-fat Python, ESP can only run MicroPython. This snippet you've added doesn't touch Home Assistant so isn't a fair compariso...
Did you try it with something simple like DWH temperature first? I just added the code I pasted the other day and it changed the DWH temperature succe...
Use ESPHome Modbus Number or Switch components depending on what it is you want to do. For example setting the DHW temperature: number: - platf...
For the time being I've added a template sensor to calculate the approximate target flow temperature using y=mx+b. I added four number helpers into Ho...
I finally managed to get time to install the MIM-B19N modbus interface into my Samsung 8kw HT Quiet at the weekend. I'm integrating it with Home Assis...
@tomc are you adding a 120ohm resistor on the MIM-B19N between A+B terminals? I know Homely's install requires it and I see the USB adaptor you shared...
Hi! 🖐️ Just had our heating overhauled a couple of weeks ago, replacing an ancient Camray 5 oil boiler with an 8kW Samsung Mono HT Quiet (AE080BXYDEG)...
I just had the 8kW EHS Mono HT Quiet (AE080BXYDEG) installed and was about to order the WiFi kit before I found Glyn and @TomC's posts about modbus. ...
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Degrees of Separation
Latest Posts
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@majordennisbloodnok @jamespa I stand corrected, A2A...
By Batpred , 10 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 2 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 2 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 3 hours ago
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My first question is why bother with the auto balancin...
By JamesPa , 4 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 4 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 4 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 5 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 8 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 19 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 20 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago
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