I am trying to build my own car navigational system and vehicle informational system. I am in North Carolina so NC G.S. § 20-136.1 is the main reference point I am starting from. This just explains that computers are forbidden and their exceptions. I am using a raspberry pi and making a touchscreen that is mounted in my cup holder. Whenever driving it is only to be used as a navigational system and a vehicle informational system. Are there any previous cases or references to what classifies as a computer and as a navigational system or cases where people got tried for things like this. Is it also possible to get written approval from a department in NC on the system I am making.
Other states will be driving through and would like to know the legal status of my system. VA, MD, District of Columbia