January 2006

General

KidVac

This is the circuit for the prototype of KidVac, a toy that amplifies a child’s inhalation using a vacuum, so that they can “suck” up objects for fun. Here’s the first draft of code for the microcontroller.

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General

Slider Control

This is a first-draft prototype of a slider control for a shower. The control is intended to move easily between warm and cool, with a double-reversal of direction required to select very hot or very cold water. The control utilizes some fundamental interactive properties. Water temperature is mapped to up and down, and constrained from

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General

Best New Battery Charger

A new battery charger for a new semester at ITP. The LaCrosse Technology BC-900, doesn’t just have a cool name, it also features a display that shows complete information on the batter charging process. It can handle both AA and AAA NiMH rechargeables in four totally separate banks. That means while one batter fast charges,

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