Alcohol Gas Sensor Module (MQ-3)

Alcohol Gas Sensor Module  (MQ-3)
Product Code: NRD_MOD_0041
Availability: 10
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Alcohol Gas Sensor Module

Introduction

The onboard LPG Sensor(MQ-3) provides the Alcohol contents in the air. If this found above set PPM value then it will inform the Host controller by pulling the Digital Output Pin to High and onboard status LED glow. The sensor module is mainly intended to provide a means of comparing Alcohol sources and being able to set an alarm limit when the source becomes excessive.

 

Circuit Specification

  • Supply Voltage – 5 V
  • Maximum Current – 200mA
  • Output voltage
  • Digital Output (5V)
  • Analog Output (0 V to 5 V – Variations)

 

PIN No

          PIN Information

GND

Supply Ground

DOUT

Digital Output (TTL Level)

AOUT

Analog Output (0V to 5 V)

5V

Supply  +5V

 

Features

  • It provides alcohol gas PPM in the air
  • TTL Level Compatible (Directly connection to Microcontroller)
  • Analog output also available to connect this with ADC
  • Value can be set through given potentiometer
  • High Quality PCB material & Original component only
  • Each module tested with automatic testing machine

Applications

  • Automotive Domain
  • Security & Surveillance
  • Smart Home System
  • Industrial Control System

 

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