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Alcohol Gas Sensor - MQ-3

Alcohol Gas Sensor - MQ-3
Alcohol Gas Sensor - MQ-3
Alcohol Gas Sensor - MQ-3
Alcohol Gas Sensor - MQ-3
Alcohol Gas Sensor - MQ-3
Alcohol Gas Sensor - MQ-3
Alcohol Gas Sensor - MQ-3
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€ 5.95
Incl. 21% VAT
Ex Tax: € 4.92
9 piece(s) directly available from stock.
Shipped on Monday 30 May when ordered now.
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10 or more6%€ 5.59 Ea.
50 or more12%€ 5.24 Ea.
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Description

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor. A simple interface could be a 0-3.3V ADC.

Please review the datasheet for conversions to ppm then Wikipedia.org for BAC.

Features:

  • 5V DC or AC circuit
  • Requires heater voltage
  • Operation Temperature: -10 to 70 degrees C

Heater consumption: less than 750mW

Dimensions:

  • 16.8mm diameter
  • 9.3 mm height without the pins
alcohol, gas, sensor, mq3, sparkfun, sensors

Specifications

General
ModelSF-SEN-08880
BrandSparkFun Electronics
MPNSEN-08880

Documentation

Datasheet

Wiring example

Arduino breathalyzer

Another breathalyzer

bildr Tutorial

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Fast shipping
Orders placed before 17:00h (Mon-Fri) are shipped the same day.
Money back guarantee
Not satisfied? With us you have a 30-day return period.
Worldwide shipping
We ship to almost anywere in the world using UPS.