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You are here: Home / Replies / Hi I have problem with my

Hi I have problem with my

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Microcontroller › 8051 › interfacing ir sensor with 8051 › Hi I have problem with my

January 17, 2013 at 3:11 am #8968
Sigit
Participant

Hi

 

I have problem with my sensor interfacing, my sensor is PIR and I use AT89S52. when I initialize the sensor pin input with high condition for being an input pin, the sensor always detect motion even there is no any acivity in front of every three second. I already used pull up resistor.

 

thank you,

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