I originally established this site to provide a tutorial on how to construct a voice-directed humanoid robot – hopefully to save a reader a lot of time and aggravation….but, I decided to expand it to include some of the other things I have managed to put together over my years, mostly to leave some things to allow my grandson to know me a bit better…
If you’d like, you can leave me comments here, or shoot me an email at:
bioloid-voicekit@cox.net
Frank Hermes 
Will a piZero work ?
I tried using a piZero, and though it would load the program and run, I found it to be so lacking in memory and power to essentially be useless…I think the RPi 3 is probably the minimum entry level…at some point I hope to see if the newer RPi 4 makes much difference…