As of now, Lights/sounds is top priority. I think a teensy 4 with audio shield or 4.1 with dac. Then i2c for the bar graph then the vent circuit and vibe motor.
Then maybe other like motion.
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Might want to start here:
It’s a config file made for Teensy4 + audio shield.
I can help with the bar graph support if needed.
I still think oled or neopixels might be better/simpler, but I’m not the one building it. 
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I saw that config. And yes, I want to do an oled version too. Why Make one when you can make 2 for twice the price.
My teesy is still many weeks away. So no rush.
I am currently designing a motherboard for it.
Hopefully I can give back by adding a few new styles to proffie.