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Ray Edgley posted an update 8 years ago
2 out of 3 Raspberry Pi 3’s installed in the head.
Ray Edgley
@ray-edgley
Active 5 days, 20 hours ago
After installing Fred’s left Bicep, I asked him to record a video for me.
This went well until he went to point to the virtual white board on his right side.
Now he not talking to me 
So now I’m working on his right arm 
https://youtu.be/93AMF-eN000 View
So now I’m working on his right arm
https://youtu.be/93AMF-eN000 View 
That’s alot of pi! Is fitting a third in there possible? Looks great though, very clean setup in that limited space.
It is possible to fit the third one and then i still have to work out how I want to split the processing load across them.
As Gael said somewhere on this site, the RPi even the Model 3 still is not quite powerful enough, but they are cheap enough to add multiple so speed up processing, paralleled processing if you will…
You could put one PI in the body to connect to the Kinect or just give him a gut feeling. Nice HAT on the PI.
The HAT on the PI is the Adafruit 16 Channel servo driver. Also breaks out the Pi Header and is where I grabbed the 5V from to run the other Pi.