SEN0132

    Carbon Monoxide Gas Sensor(MQ7) (SKU:SEN0132)       Contents     1 Introduction 1.1 Specification 2 Pin Definition 3 Connection Diagram 4 Sample Code Introduction The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for sensing CO concentrations in the air. It can detect CO-gas concentrations anywhere from 20 to 2000ppm. The sensitivity can be adjusted by the potentiometer. Specification     Power supply needs: 5V Interface type: Analog Pin Definition: 1-Output 2-GND 3-VCC High sensitivity to carbon monoxide    Fast response Stable and long life Size: 40x20mm Pin Definition 1. Signal Output 2. GND 3. Power Analog Sensor Pin Definition Connection Diagram Analog sensor 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); }                            Powered By DFRobot © 2008-2017