Digital Traffic Message Board

Code for display: https://youtu.be/7nPCIMVUo5g

Display (X2): https://www.amazon.com/gp/product/B07FFV537V/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1

Yellow inserts for the display controllers(x8):
https://www.adafruit.com/product/1046

Axle goes into the wheel adapters on the inside, then wheels screw on from the outside: https://www.amazon.com/gp/product/B01MAYQ12S/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1

Wheel Bearings: https://www.amazon.com/gp/product/B019CPVD7M/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1