Guidance sheet : 08.01.34.0018

30 10 2011

Title: Design of height gauges based microcontroller AT89S51 with voice

abstraction

Designing an instrument that can measure the height automatically using ultrasonic sensors. The sensor used is an ultrasonic sensor Ping))) artificial parallax Inc.. Where the ultrasonic sensor uses the speed of sound at a frequency of 40KHz in measuring distances. Speed ​​of sound is 343 m / s. Thus, if known interval of time between sending and receiving signals, it will be calculated the distance

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