I picked up a Matrix Creator about a year ago and haven’t done much with it.
It is a Raspberry Pi Hat that has an Alexa type microphone array and some other interesting hardware.
They recently received Z-wave Plus certifications and it also has Zigbee radios on it.
Hoping to make this part of my Raspberry Pi based openHAB install soon.
Nice, hadn’t heard about it before.
I don’t see any major point in having a ZWave or ZigBee client inside a Pi (or does it work as a controller ?),
but I have been looking for quite some time now to build my own Alexa/Echo WITHOUT Amazon/Google.
Now that there’s Mycroft, the only missing piece was the microphone array.
I’m a bit too short on time to do it myself, but I would love to see someone to combine these.