A quick hands-on demonstration giving novice users a concrete feel for what an Arduino is, what it can do, and how easy it is to get started — progressing from blinking an LED through buttons, analog I/O, servo control, and sound.

Detroit Maker Faire demonstration reproducing Edison’s original incandescent light bulb — pencil lead as the filament, D-cell batteries in a PVC pipe as the power source, and a glass bottle as the envelope.