With a suitable sensor in hand, the project really boils down to building up an interface and enclosure for it. [Eunjae] is using an Arduino Nano, a 128×64 OLED screen, and a battery inside of a ...

When found, either the light sensor or motion sensor ... with hopefully startling effects. An Arduino Mini is the brains of the operation, paired with an XY-V17B sound module which plays the ...