In this video I get an "Ok Google" voice activated AI assistant running on a raspberry pi. I also hand make a nice wooden box for it to live in.

Hardware used:

Mini USB microphone: https://www.adafruit.com/product/3367
Mini USB speaker: https://www.adafruit.com/product/3369
Raspberry Pi 3 Model B: https://www.adafruit.com/product/3055
Raspberry pi power adapter
Raspberry pi micro SD card with Raspian OS installed
330ohm resistor
3mm warm white LED
bread board prototyping wires
10mm aluminum tube
Tasmanian oak was used for the wood
Danish oil was the finish

Tools used:
Soldering iron
Tenon saw
hand router
bench chisel and mallet
sand paper
bench drill press
electronics perfboard was used as a template for the speaker holes
hacksaw
flat file

About software
I have written up an instructable that covers the software side of the project in detail. It also covers the hardware (:
https://www.instructables.com/id/Raspberry-Pi-DIY-Google-Assistant-With-Sleek-Wood-/

Music by: David Cutter Music - http://www.davidcuttermusic.co.uk

Nyan Cat graphic by Emy Warrior: http://emywarrior.deviantart.com/art/Nyan-Cat-Vector-588548826

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Thanks for watching (: