Test version for Board 3.7 is here:
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One small point, this lists the 3.7 as not having a pushbutton, but mine definitely does. Also it lists TVOC but mine doesn’t have that, I believe it was an optional module?
oi!
Installed the new fw via browser. no problem. However, I can not add it to the dasboard no more? it was working before for me. Anything else you might want me to try and report?
edit:ahhh yes. don’t be stupid like me and ignore half of the post. dashboard working. The thing about what you like feedback on remains 
Yes correct. I need to update this.
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thanks to everybody for making the HA integration happening for the DIY boards, that is much appreciated.
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I know this is old but I just wanted to add my appreciation for the update, finally got around to integrating with HA and this made it so much easier so I appreciate the support here
Achim, do the current boards fit in the 4.2 housing? I’ve been contemplating doing exactly this, but was unsure of what is compatible and what is not. Do I need a new housing as well for stuff to fit?
Achim or someone from the air gradient staff, possible to answer this?
I think they do, but can’t say for sure.
There was a 3d print file for the case, you could always have a friend with a printer do one for you.
It does look to be the same enclosure.
This page is pretty hidden, but it has where you can download the STL files for the ONE which is the latest board for the indoor model.
The AirGradient Builds Overview
The link for the Enclosure is still named for the Pro, so I’m fairly certain they are the same.
https://www.airgradient.com/documents/diy-pro/diy_pro_3d.zip
Confirmed Malloc.
I replaced my 4.2 board with the v9 PCB without any issue. I also replaced my SHT40 for good measures since the humidity sensor tends to start having significant drift with age.
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