working principle of sr04 ultrasonic sensor with 89c51
#1

Dear sir..
I know d working principle of ir sensor but its range is vry low so I cannote use it in some project...
So pls give me some idea about ultrasonic sensor..
1.how to interface with AT89c51/52
2.assembly language prog to glow an led when any body infront of the sensor...
Kindly help me sir
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working principle of sr04 ultrasonic sensor with 89c51 - by Guest - 11-07-2015, 04:18 PM

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