How many times you have you accidentally left your home lights turned on? Solve this problem quick with an automatic light sensor system that can shut off (and turn on) depending on the amount of light in an environment.
Want to know if someone entered your room? Sometimes a “Keep out” sign is not enough to keep out your siblings, so here we built a simple presence detector that lets you know if someone enters your room and how many times it happened.
As a cherry on top, we added an LED Matrix that displays a happy face when the room is quiet, and the opposite when it’s not!