Design Contest • Flash Innovation 2003

Enviro-Alarm

03/03/2020
Written by Circuit Cellar Staff

Motorola Flash Innovation 2003 – Design Contest
Distinctive Excellence

Kenneth Lumia
U.S

Abstract:

Built with a 68HC908QT4, an optically isolated remote alarm interface, a low-dropout voltage regulator, a 9-V battery, and a few sensors, the Enviro-Alarm monitors for leaks around a basement sump pump. The remote alarm interface connects to a Cat 5 cable that runs to a wiring closet for integration with a PC-based home automation system.

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Enviro-Alarm

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