Design Contest Flash Innovation 2003

Blood Pressure Monitor

Blood Pressure Monitor

Motorola Flash Innovation 2003 – Design Contest
Distinctive Excellence

Ganesh Raaja Maharajan


The Blood Pressure Monitor measures the oscillations in pressure in the cuff. A sensor translates the pressure to capacitance, which is then measured by a 68HC908QT4-based circuit. The circuit also detects the small variations in pressure during deflation to calculate the systolic and diastolic readings, which it displays on a 1 × 16 LCD.

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Contest Ended: June 30, 2003

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Blood Pressure Monitor

by Circuit Cellar Staff time to read: <1 min