Description
Abstract
This research work is on Design and construction of a microcontroller based stadiometer. The project is aimed at designing a portable electronic device for human height measurement with the use of a microcontroller and ultrasonic transducers. Ultrasonic transducers use ultrasound wave having frequency being greater than the upper limit of human hearing. The ultrasonic transducer is controlled by the PIC16F877A to generate ultrasound wave to be emitted through the transmitter, and the pulse is reflected off an object and the echo received by the receiver, derive the time traveled, calculate the distance, and then calculate the height which is then displayed on the Liquid Crystal Display. The use of the ultrasound wave finds it application in several sectors such as in the medical, industrial and security, electronic and navigational sectors.
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