For info here is the adaptation of the AVATTO/BAKEEY IR Gateway with OpenMQTTGateway
Soldering on these tiny pads is not easy ! But I succeeded 
Better than building an IR gateway yourself.
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@francisp - if you add
board_build.ldscript = eagle.flash.1m.ld
to the platformio env configuration you’ll be able to do OTA updates for future OMG version, instead of having to resolder every time 
With the current default partition there won’t be enough space to upload a new OTA build. Just came accross this when testing 0.9.5-beta, so had to resolder again as well for the initial wired uplaod with the larger partition.
I left about 2 cm of wire on the board, just to avoid to have to resolder But good to know, thanks for the information.
Hi again @1technophile, @francisp and all,
After I received more AVATTO S06 devices today for myself and for friends, I thought about an alternative to soldering and unsoldering them all for the initial upload of OMG.
Here is a link to my 3D printed Dupont cable holder for the S06 board I came up with, in case anyone else is interested.
Maybe don’t use Dupont cables which still have some soldering tin on the pins, as I did 
but it worked great to flash OMG onto 5 devices successively very quickly.
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I did have some consistent OTA update issues with the above 1m ldscript, not sure if it’s because it has a 0Kb/no spiff partition, but
board_build.ldscript = eagle.flash.1m64.ld
works consistently fine for repeated OTA updates on the Avattos for me, but it requires to not use WiFi manager with the build_flags
'-DESPWifiManualSetup=true'
'-Dwifi_ssid="SSID"'
'-Dwifi_password="XXXXXXXXXXXXX"'
due to the slightly smaller sketch partition. As I use WifiManualSetup for all my OMGs this works great for me.
Best to mention it here, as I previously recommended eagle.flash.1m.ld, in case others have problems with consistent OTAs as well with that script.
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So I changed my settings to this, erased and flashed the device again, and it is up for 33 hours. And OTA is working. Thank you!