Guidance for Capacitive Humidity Sensor

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pratik069

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Hello,
I'm using a capacitive humidity sensor SY HS 230. I need help regarding the circuit connection of the same with ADC[0808] and then microcontroller[P89v51rd2].

Initially i used HH10D sensor which gave frequency as output. But now i have changed the sensor and i am not able to figure out the connection as well as the C programming[in keil] for the same [nothing much is give in the datasheet].

Please if anyone can help...need it as soon as possible for my project.
Thank you in advance!
 

The SY HS 230 outputs a voltage 0 - 5 VDC that is equal to o - 100 % humidity.
You must connect the sensor to an analogue pin of the microprocessor
You must do an A2D in the microprocessor on that analogue channel
 

klystron said:
The SY HS 230 outputs a voltage 0 - 5 VDC that is equal to o - 100 % humidity.
You must connect the sensor to an analogue pin of the microprocessor
You must do an A2D in the microprocessor on that analogue channel
Click to expand...

Thank you for your response but i use an external ADC 0808 and then give those inputs to microcontroller.
Please if anyone can help regarding coding of the same in keil c compiler.
 

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