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ultrasonic sensor with ATMEL AT89S52 microcontroller

ultrasonic sensor or infrared sensor better in sensing distance of obstacles ?

  • ultrasonic sensor

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weijietew

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ultrasonic distance meter + atmel

Hi ,
I am currently doing research for my final year project. Part of my project need me to construct a ultrasonic sensor . Most common available ultrasonic sensor is from PARALLAX PING.

Did anyone have experience programming this kind of sensor with microcontroller ? i wish to write own code for sensor triggering and distance calculation. but the problem i face is that its datasheet never specify the relations of distance versus respond time.

Can anyone help me on this .. Thank you !
 

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