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Build your own Arduino demo board

Build your own Arduino demo board

Also known by the name Polyphemus Demonastration and Evalution Kit this project became a compulsion that cost three complete redesigns, five destroyed ATmega168s, and hundreds of hours of point-to-point wiring. The result was Polyphemus,an ATmega168 demo kit that can be built from your own spare parts box.
Named after the gorgeous giant silk moth with large, colorful “eyespots” on its hind wings (Antheraea polyphemus), as well as the gigantic Cyclops who tormented Odysseus, this Polyphemus sports several exciting features:

ATmega 168 microcontroller (housed on a Freeduino board)
color Nokia 6100 LCD
two multi-state pushbuttons
white LED
phototransistor
piezoelectric buzzer
3.7V rechargeable lithium battery
analog input connector
FTDI USB programming connector
compact 3×3-inch handheld form factor

By using a 3.7V battery to power Polyphemus, no additional power regulators are needed. Also, no DC-DC boost converter is needed for powering the Freeduino and white LED.

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