HQ MQ-3 alcohol ethanol alcohol sensor special sensor module

Detail HQ MQ-3 alcohol ethanol alcohol sensor special sensor module

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A brief description:
First, size: 32mm X22mm X27mm length X width X height
Second, the main chip: LM393 , ZYMQ-3 gas sensor
Third, the working voltage: DC 5 V
Four, features:
1 , a signal output indication.
2 , dual signal output (analog output, and TTL level output)
3 , the TTL output valid signal is low. (When the output low signal light can be
directly connected microcontroller)
4 , analog output 0 ~ 5V voltage, the higher the concentration the higher the
voltage.
5 , ethanol vapor with high sensitivity and good selectivity.
6 , has a long life and reliable stability
7 , rapid response recovery characteristics
V. Application:
For on-site detection of motor vehicle drivers and other non-drinking workers,
but also for detecting other places of ethanol vapor.

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