Major Interactive - Light Boxes
* Previous box (one box with 3 LEDs) is not bright enough.
* Using 9 LEDs for one box.
* 9 LEDs - off and on.
* Parallel connection of LEDs.
* LEDs on a box-to-be black paper.
* Second box gives out dimmer light than the first box.
* A resistor is used. (Resistor = 220 Ω).
* Sensor placed below the light box.
* The ground of LEDs in each box go to the same pin in the arduino board, the digital ground.
* The 3 boxes will be connected to the power source in the arduino board via the 3-headed cable (one head for one box).
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