Buttons: 
	https://www.amazon.com/dp/B07XYVN1GY
  	--> remove the white LEDs and replace with Neopixel LEDs
	--> print the button artwork on transparent foil, cut out, and install under button cap

Neopixel LEDs:
	https://www.amazon.com/dp/B01D1FFVOA

Teensy 2.0 Development Board (Discontinued):
	https://www.pjrc.com/store/teensy.html

Alternate to Teensy 2.0:
	Arduino Nano clone: https://www.amazon.com/dp/B0DFGR288F
