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rpi-eyes

Adafruit animated eyes bonnet used with Processing and cam on the Raspberry Pi to render custom comic eyes

A little Late for Halloween but maybe just right for german Karneval - it's a Write up about the Googely Eyes

  • Adafruit Eye bonnet
  • Follow their direction on how to install all the stuff
  • The eyebonnet trick we want to make use of is burried in fbx2.c / the compiled version of it -> it’s scrappping parts of the main screen and is rerouting that to the two displays.
  • Because I’m a lazy fuck I didn’t change their scripts yet (also this allows to switch to their pretty cool but more or less random eye movement)
    • // Todo: I think I could utilise some image detection addon board, a cam like pyCam or just add some python tensorflow lite stuff with Picam (I intend to become moar familiar with it at some point. Btw also this Pun was intended 🥳
    • If one thinks about cleaning up -> check pi-eyes.sh to not install all the stuff we’re not using and the fbx2.c file
  • Alright, so since we’re lazy and we’re using simple Processing, we’re just renaming the python file that would be called normally. In my case thats the „eyes.py“ in boot/Pi_Eyes (if you need to rename eyes.p depends on the type of screens you attached to the board and the selections you chose in the pi-eyes-installation routine. There’s also cyclops.py for example)
  • So whats happening is that raspberry normally would run eyes.py on boot but since we rename it it won’t get called (I know, it’s a really ugly hack 🙂 ) $ cd /boot/Pi_Eyes/ #moving to the Pi_Eyes folder $ sudo mv eyes.py eyesBAK.py #renaming the file $ sudo reboot now #rebooting to take effect
  • Instead we start a processing sketch that renders what ever we want at exactly the locations that fbx2 grabs the graphic information and copies it to the two oleds; check out the Processing sketch to witness my crimes
  • That’s all folks

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Adafruit animated eyes bonnet used with Processing and cam on the Raspberry Pi to render custom comic eyes

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