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Daikin ESPAltherma and Home Assistant installation

 
Air Source Heat Pumps (ASHPs)
Last Post by Bash 2 hours ago
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 Bash
(@bash)
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Joined: 8 months ago
Posts: 200
Topic starter 11/06/2026 11:45 am   [#3053]

I finally have some time to attempt to get ESPAltherma up and running on Home Assistant.

 

I am quite pleased with myself already that I have managed to get some of this completed. I have started to follow the github process, GitHub - raomin/ESPAltherma: Monitor your Daikin Altherma / ROTEX heat pump with ESP32 · GitHub

 

I have a lovely old Dell laptop that wasn't upgradeable to W11 and had an ageing battery. It a very low powered (3w when idle with W10 and the screen off), passively cooled, has 8gb of RAM and a 512GB SSD.

 

So far I have been able to install Home Assistant on the laptop running on ubuntu. The laptop has the black screen with the HA logo in the top left hand corner. 

 

I have installed HA on my desktop computer and integrated the Shelly energy meter which is working perfectly.

 

I have installed the HA MQTT vis the HA desktop.

 

I have also purchased and received a (tiny!) M5NanoC6 ESP device which I need to program I assume.

 

I have downloaded and installed Visual Studio Code and installed PlatformIO IDE core.

 

This is as far as I have got and am starting to get a little out of my depth in how to complete the setup!

 

I am a little bamboozled with setting up the M5 ESP device (Getting started - Step 1: Uploading the Firmware).

 

I am not even sure about step 1 "download the repository folder and open it in Platform IO".

 

@majordennisbloodnok Would you be able to help me continue down this rabbit hole?!!

 

As a side note, I'd like to get the laptop screen to timeout as it is constantly on the HA black screen and ideally shut the laptop screen down whilst the HA server continues to run in the background. I am assuming I don't need the screen to be running all the time?!

 

Thanks.


This topic was modified 2 hours ago 3 times by Bash

   
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