When I last left off I had just received the hardware and ordered my laser cut pieces. The next set if components I needed were the electronics. For this I headed over to Adafruit.com. I picked up a Trinket 5v microcontroller, and a 4-pack of the RGB Neopixels.

I made a bit more progress on the arm today. I finished up the design for the pen gripper and the holder for multiple pens...