Execution I: Code

The code was composed of 3 main pieces of functionality needed for the concept to work:

1. Deciding an action 
   
2. Acting 
   
3. Checking for a reaction (Reading the PIR and sending the next decision to the next bus stop)
   

Each piece of the code was used to define a part of the interaction process. A set of tools and structures were used to create the flow of events. 

We set the code for each bus stop up with the necessary pin variables, a standard speed at which the flag colors function should change each pixel in the strip and a boolean to denote whether or not there is movement being sensed by the PIR (for bus stop 1 only).