DIGITAL_RELATIVE_HUMIDITY_GAUGE

Published:2009/6/19 3:53:00 Author:May | From:SeekIC

Sensor SEN1 outputs a dc voltage that varies linearly with relative humidity. This dc voltage is fed through R1 and R2 to A/D converter chip U2. Zero set is performed with R4. The LCD display is calibrated with R7 to read 0 to 100 percent.



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