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Third Prize Winners
Machinist’s Tachometer • Easy Altimeter • PC-based Machinery Vibration Analyzer
Weathermon • The Bit-Banger: USB to I²C bridge • I²C-MMI
Stick Shift Auto Racing Simulator • I²C Menu • Strobe Clock • R/C Radio

Weathermon
Peter Ampt
Victoria, Australia
pampt@alphalink.com.au

Controlled by a simple user interface of one LED and four pushbutton switches, the Weathermon incorporates several Dallas 1-Wire bus devices to implement three weather sensors. The Weathermon reads the ambient temperature, wind direction, and wind speed data from a weather station assembly and displays the processed weather data as text on a video monitor or television receiver.

COMPLETE ABSTRACT

The Bit-Banger: USB to I²C bridge
Michael DeVault
Penfield, NY
michael@devasys.com

The Bit-Banger implements a USB to I²C (single master) bridge, as well as some general purpose I/O, which is accessible via USB through a set of API calls. The design is intended to be used with a series of I²C feature boards to provide a simple method for engineers to access a variety of functions (e.g., an LCD interface, digital I/O, 7-segment displays, keypads, or ADCs) through a USB interface, using a simple set of function calls (API).

COMPLETE ABSTRACT

I²C-MMI
Robert Lacoste
Chaville, France
robert_lacoste@yahoo.fr

Developing an embedded system can be fun. Doing it twice is called experience. Redeveloping the same kind of software over and over is a waste of time and money, not to mention that it can get boring. The I²C-MMI is a dedicated a low-cost preprogrammed chip that directly handles all the elements of a classic user interface, is fully reusable, communicates with the host micro through a standard nondedicated I²C bus, and can offload as many functions as possible from the main micro.

COMPLETE ABSTRACT

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