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Name:  Interfacing HUMIREL humidity Sensor with MCU
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Date:  2009-6-5 8:56:41
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   Introduction:humidity Sensor with MCU

HUMIREL suggests to include these sensors in very simple circuitries such as 555 timer or astable oscillator using a NAND or a comparator. The output signal (frequency or voltage) is then fed into a comparator / counter for threshold detection or MCU for more accurate calculation. In order to educe the overall cost of the customer system, direct interfacing with MCU is feasible by directly connecting the sensor to the input or output of micro
controller. This application note shows different circuit configurations using various resources available on small micros such as Microchip, ST, Motorola, Atmel…

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