Ks0041 keyestudio Analog Alcohol Sensor: Difference between revisions
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==Introduction== | ==Introduction== | ||
This analog gas sensor - MQ3 is suitable for detecting alcohol. It can be used in a Breath analyzer. It has good selectivity because it has higher sensitivity to alcohol and lower sensitivity to Benzine. The sensitivity can be adjusted by A potentiometer. | This analog gas sensor - MQ3 is suitable for detecting alcohol. It can be used in a Breath analyzer. It has good selectivity because it has higher sensitivity to alcohol and lower sensitivity to Benzine. The sensitivity can be adjusted by A potentiometer. | ||
<br>[[File: | <br>[[File:KS0041 (3).png|500px|frameless|thumb]]<br> | ||
==Specification== | ==Specification== | ||
Revision as of 11:50, 9 February 2018
Introduction
This analog gas sensor - MQ3 is suitable for detecting alcohol. It can be used in a Breath analyzer. It has good selectivity because it has higher sensitivity to alcohol and lower sensitivity to Benzine. The sensitivity can be adjusted by A potentiometer.
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Specification
- Power Supply: 5V
- Interface Type: Analog
- Quick response and High sensitivity
- Simple drive circuit
- Stable and long service life
- Size: 49.7*20mm
- Weight: 6g
Connection Diagram
Sample Code
///Arduino Sample Code
void setup()
{
Serial.begin(9600); //Set serial baud rate to 9600 bps
}
void loop()
{
int val;
val=analogRead(0);//Read Gas value from analog 0
Serial.println(val,DEC);//Print the value to serial port
delay(100);
}
Resources
Video
http://www.keyestudio.com/wp/2016/05/ks0040-keyestudio-mq2-analog-gas-sensor-module/
https://drive.google.com/open?id=1h-RmEhi0Oa3r0YZvg7Dsg1MxgrYWdTQ_
Buy from
Official Website
http://www.keyestudio.com/keyestudio-analog-alcohol-sensor-for-arduino.html