BMI Assessment Machine with Recommended Ideal Weight

Abstract

Awareness of Body Mass Index (BMI) can be the guide to adjust a person’s lifestyle and maintain a normal healthy body. This study developed a BMI assessment machine that automatically calculates BMI value, displays the nutritional status and suggests ideal weight. The machine is composed of a microcontroller that interconnects the other components of the machine which includes load cell that gets the weight, an ultrasonic sensor that gets the height, keypad as the input mechanism and Liquid Crystal Display (LCD) as the display mechanism. The machine is very useful most especially to children in such a way that as young as their age they are already aware of their nutritional status. In the several testing that was conducted, the BMI machine was highly accurate in determining BMI. The suggestion of ideal weight by the machine was comparable to the manual calculation of ideal weight.