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Buy MQ 3 Alcohol Ethanol Sensor Module for Breath Alcohol Detection and diy electronics online for lowest price at NevonExpress
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MQ3 is a very easy to as well as less cost Gas sensor Module with used for Breath Alcohol Detection. This module uses MQ3 Alcohol gas sensor as a alcohol gas sensing element. All it needs is a Vcc and ground and is ready to go.
For Digital output the threshold value can be easily set by an on-board potentiometer. MQ3 is compatible with a variety of Microcontrollers, Arduino as well as Raspberry Pi boards.
MQ3 Sensor also has small sensitivity to Benzine.
| Weight | 80 g |
|---|
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#include <SoftwareSerial.h>
#define gas A5 // Where the analog pin of gas sensor is connected to the arduino
int gas_analog;
int gas_value;
void setup(){
Serial.begin(9600); // Initiallizing Serial monitor to view gas readings
pinMode(gas, INPUT); // Setting the analog pin as input to sense the gas
}
void loop(){
gas_analog = analogRead(gas); // Reading the gas value from analog pin
Serial.print("Gas_value_analog = ");
delay(500);
}
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