Never having worked with electronics before, my biggest challenge in this project was understanding how everything worked together - the learning curve in this regards. If I performed another iteration of this project, I would use more sensors to get a more accurate picture if someone entered the room - maybe using light or proximity sensors of some kind. I would also try and bring the 2 LEDs to one by switching to an RGB LED - I can also use this to provide a more granular look at the data, maybe different colors/shades of colors to indicate the severity of the breach.
I used the link below to help me with the coding for the Hall Effect Sensor
https://maker.pro/education/a-simple-guide-to-using-a-hall-effect-sensor-with-arduino/
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