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Breath Analyzer

Intro

  • Mobile App based on non-invasive for estimating blood alcohol content (BAC) from a blood sample.
  • Portable Device
  • Less Expensive
  • Accurate as compared to the standard Breath Analyzer.
  • BAC test result varies between individuals consuming identical amounts of alcohol due to race, gender, weight, genetic pre-disposition, metabolic rate.

Software Design Architecture - Breath Analyzer

Software Architecture Flow - Breath Analyzer

About Breath Analyzer

Breath analyzer is a device used to estimate the amount of blood alcohol content in the body using a breath sample. Whenever a person consumes alcohol, it gets absorbed from the mouth, throat, stomach, and intestines into the bloodstream, which can be easily detected through breath. The alcohol is not digested upon absorption, nor chemically changed in the bloodstream, so when the blood travels through lungs, some of the alcohol moves across the membranes of the lungs’ air sacs into the air and evaporate from a solution, which is volatile. The concentration of alcohol in the lungs’ air sacs is related to the concentration of alcohol in the blood. As the alcohol in the lungs’ air sacs is exhaled, it can be detected by the breath analyzer.

The ratio of breath alcohol to blood alcohol is 2,100:1. This means that 2,100 milliliters (ml) of alveolar air will contain the same amount of alcohol as 1 ml of blood.

For many years, the legal standard for drunkenness across the United States was 0.10, but many states have now adopted the 0.08 standard.

Tools and Libraries

Tools

  • Like keil IDE, STM32CubeMX

Libraries

  • CMSIS API
  • Sensor SDK
  • Eximius will be implementing the sensor related library
  • Logical Analyzer
  • JTAG debugger

iDrink Mobile App

Use iDrink smartphone breathalyzers App with iPhone, and your BAC results are sent directly to your smart phone. And with the feature, you can also view a battery life of your Breath Analyzer Device.
Moving the testing process to your smartphone makes it easier, faster and more convenient than ever before to view your estimated alcohol level anytime, anywhere.

Initiate and complete a BAC test via the app on the Smart Phone. Simply blow into a Breathalyzer Device and estimated BAC results are wirelessly transmitted via Bluetooth to the iDrink app on Smart Phone.

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