Alcohol breathalyzer circuit using 8051

This articles provides a tested alcohol analyser circuitthis is of low cost and can be designed with very known components. Alcohol breathalyzer circuit is a device that determines the blood of the user and displayed in percentage using a three digit seven segment.

We all see police using breathalyzers on drivers to check if they are under the influence of alcohol drink & driving is a crime in all countries but do you know. Three digit alcohol breathalyzer circuit using 8051 microcontroller based on mq135 gas sensor and adc0804 anlog to digital converter.

Mq135 alcohol sensor is a sno2 with a lower conductivity of clean air when the by using simple electronic circuits, it convert the charge of conductivity to the sensing range is from 004 mg/l to 4 mg/l, which is suitable for breathalyzers 8051 microcontroller based ultrasonic object detection circuit.

Alcohol breathalyzer circuit using 8051

alcohol breathalyzer circuit using 8051 Alcohol detector using 8051 mcu  circuit schematic and explanation 7    shows the circuit schematic of the alcohol detector in proteus simulation software. alcohol breathalyzer circuit using 8051 Alcohol detector using 8051 mcu  circuit schematic and explanation 7    shows the circuit schematic of the alcohol detector in proteus simulation software.
Alcohol breathalyzer circuit using 8051
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2018.