Daikin Altherma 3 WiFi adapter SD Card

[misko903]

Hi, just to inspire someone, there is a SD Card slot in Altherma 3 (I can confirm it on mine - located on the back of the black user interface plate) which can be used for WiFi SD Card adaptor. https://www.daikin.eu/en_us/products/brp069a78.html. Maybe something like SD-WIFI with Card-Reader Module can work there? I am only guessing... Sorry for posting it here, but this looks like the most relevant place on the whole internet :)

[raomin]

I guessed the SD card could be used for firmware update, I never thought about using it to add Wifi... What a strange design choice, knowing there is a usb port next to it!

Now, I don't have an SD wifi and the only similar thing I can think of is a SD <-> Mass storage <-> Wifi adapter which seems also to be the functioning of the module you suggest (in addition to a storage <-> esp8266). I'd love to have a look inside the Daikin "SD card"... This gave me an idea, I'll plug in a wifi usb dongle on the board. Maybe it could work the same way....

[raomin]

So I checked but plugging in a WiFi usb stick does not work... I really wonder how this 'sd card' behaves on a computer....

[misko903]

OK, I am not a PC guy really, but what if it needs to have a specific USB WiFi - driver inside is different than for the one you plugged in? We need to find someone with the Daikin SD Card and someone to dismantle it :)

miso

ut 9. 2. 2021 o 21:00 Raomin notifications@github.com napísal(a):

So I checked but plugging in a WiFi usb stick does not work... I really wonder how this 'sd card' behaves on a computer....

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[mauritskorse]

Hi!

I've got that wifi sd card. Not really willing to break it though, but maybe I can be somehow of any help. It would be great if this could be used instead of the esp32.

[uKL]

I do have it as well. Is there any rest API that can be used to read/alter parameters?

[Gollam]

I have that card as well, we just got our heat pump installed 2 days ago. The API is based on websockets :/ I am digging through the internet to find some documentation about it. So far I found ideas like this one: https://community.openenergymonitor.org/t/hack-my-heat-pump-and-publish-data-onto-emoncms/2551/35

[Kepro]

hey @Gollam did you find anything? :-)

[Gollam]

Hi, with the wifi card, nothing. I added an ESPAltherma as the others. But! Last week, I found a HA integration, which can scrape the cloud data: https://github.com/speleolontra/daikin_residential_altherma/ So now I have the energy consumption values as well.

[pwwukpw]

I'm also using both .. System control in HA via WiFi integration and getting more granular data Inc I hope COP from this ESP integration.