Development of automated height ruler using ultrasonic sensor

Noordin, Aliah Afifah (2022) Development of automated height ruler using ultrasonic sensor. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Height measuring device is a device that is used to measure the height of a person. The measurement can be little bit difficult if the targets that want to be measured are far from reaching or high. This will be causing error such as parallax error due to the eye level are not perpendicular to the reading. The purpose of this project is to design and create a better distance measurement that can encounter the measuring problem with enhance of weight measurement that can display the BMI of a person. An ultrasonic measuring device is proposed to solve the problem as the ultrasonic using an ultrasonic sound. The smart height ruler is installing with Arduino Nano, and Ultrasonic Distance Sensor. The main component used in this project is Ultrasonic Distance Sensor. The height is taken when a person is standing under the sensor and the weight is taken by standing on weighing scale. The sensor detects the distance from the bottom to the top of the person and the weighing scale detect the weight hence calculate the BMI. The height in centimeter and the weight in kilogram with the Body Mass Index will display onthe LCD display.

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