We understand how difficult the job can be for teachers these days, and because of this we chose to create a tool that would help teachers in their day to day duties and with managing students that often have difficulty focusing. We chose to go with a traffic-light module because of its universally recognizable signals. Most children intuitively understand that green means go, and red means stop. We also chose a dot-matrix because it was a vibrant and eye catching display, which is important in a school environment. The IR sensor was chosen because of its flexibility and ease of implementation. We did face a few challenges, namely in the programming of the IR sensing. Within the constraints of the time given, there were several troublesome bugs that arose. We had issues recording the state of one of our button-value-storing variables, which was resolved by changing the location of the button-value-storing command within the code. Another challenge we faced was that the dot-matrix did not properly respond to the IR inputs, by sending all the dot-matrix lighting options at once. We resolved this by fixing the code to exit the function at the proper times so that the next light sequence did not get triggered.
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