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Breath Analyzer


  • 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.

About Breath Analyzer

  • Alcohol that a person drinks shows up in the breath because it gets absorbed from the mouth, throat, stomach and intestines into the bloodstream.
  • Alcohol is not digested upon absorption, nor chemically changed in the bloodstream. As the blood goes through the lungs, some of the alcohol moves across the membranes of the lung’s air sacs (alveoli) into the air, because alcohol will evaporate from a solution – that is, it is volatile.
  • The concentration of the alcohol in the alveolar air is related to the concentration of the alcohol in the blood. As the alcohol in the alveolar air is exhaled, it can be detected by the breath alcohol testing device.
  • Because the alcohol concentration in the breath is related to that in the blood, you can figure the BAC by measuring alcohol on the breath.
  • 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


  • Like keil IDE, STM32CubeMX


  • 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 smart phone 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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