Automatic BMI Calculator Using Load Cell & Height Sensing

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Automatic BMI Calculator Using Load Cell
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Here we propose an automated BMI calculator system that does not need the user to input anything. The user just needs to stand on a platform and the system displays BMI as well as body type of user. The system uses load cells for weight sensing along with an ultrasonic sensor for height measurement. Now the system uses a microcontroller based circuit to get values of user height and weight. Based on the values the system calculates BMI and then uses an LCD display to display the values to user. Now the system displays the bmi calculated as well as the body type of user on LCD display.

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Hardware Specifications

  • Power Supply
  • LCD Display
  • Load Cells
  • 8051 Microcontroller
  • Ultrasonic sensor
  • Rf transmitter
  • Rf receiver
  • Resistors
  • Capacitors
  • Diodes

Software Specifications

  • Keil Compiler
  • MC Programming Language: C
Block Diagram