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A PRODUCT TEARDOWN REPORT
WRITTEN EXCLUSIVELY FOR PLANET ANALOG
Sometimes, our simplest gadgets provide a world of convenience. For those who love to keep their cars running right-and I admit to being a fanatic here-tire pressure is a critical element of performance and more practically, good gas mileage. Having suffered through scores of error-prone mechanical tire gauges over the years, a $10 investment at Wal-Mart brought me into the modern age with the purchase of a Victor digital tire pressure monitor. Boasting a 3-digit LCD readout and 0.5PSI accuracy, Victor's "Digital Tire Gauge" designation fails to convey the fact that analog electronics are at the heart of the product.
To get from valve stem to PSI readout, a MEMs device from Measurement Systems Inc.'s IC...