Kenosha Reuse Discussion Board > ZION, IL
> Commercial
> Industrial
> Used
> Plus Warranty
> Sparkfun - alcohol gas sensor mq-3 - sen-08880
Sparkfun - alcohol gas sensor mq-3 - sen-08880
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.
* Operation Temperature: -10 to 70 degrees C
* Heater consumption: less than 750mW
* 9.3 mm height without the pins
* Arduino Tutorial in Portuguese
