Sorry, only saw your message now. If still needed, I do have a few boards left.

@canossa Sorry for the late response. yeah, since is so compact and you can get it for relatively cheap I opted in for the NRF52. For home automation, I merged MySensors with Domoticz and it works for months now. https://forum.mysensors.org/topic/7836/what-did-you-build-today-pictures/738

Project completed.