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HOMECOMMUNITYFORUMBLOGLEARN - DFRobot Products (DFR) Index
- Sensor (SEN) Index
- SEN0311 A02YYUW Waterproof Ultrasonic Sensor
- SEN0307 URM09 Ultrasonic Sensor Gravity Analog
- SEN0305 HUSKYLENS AI Machine Vision Sensor
- SEN0304 URM09 Ultrasonic Sensor (Gravity-I2C) (V1.0)
- SEN0289 Gravity: Digital Shake Sensor
- SEN0264 TS01 IR Thermal Sensor (4-20mA)
- SEN0262 Gravity Analog Current to Voltage Converter (4~20mA)
- SEN0259 TF Mini LiDAR ToF Laser Range Sensor
- SEN0257 Gravity Water Pressure Sensor
- SEN0253 Gravity BNO055 + BMP280 intelligent 10DOF AHRS
- SEN0251 Gravity BMP280 Barometric Pressure Sensors
- SEN0250 Gravity BMI160 6-Axis Inertial Motion Sensor
- SEN0249 Gravity Analog Spear Tip pH Sensor Meter Kit For Soil And Food Applications
- SEN0248 Gravity I2C BME680 Environmental Sensor VOC, Temperature, Humidity, Barometer
- SEN0246 URM08-RS485 Waterproof Sonar Range Finder
- SEN0245 Gravity VL53L0X ToF Laser Range Finder
- SEN0244 Gravity Analog TDS Sensor Meter For Arduino
- SEN0240 Analog EMG Sensor by OYMotion
- SEN0237 Gravity Analog Dissolved Oxygen Sensor
- SEN0235 EC11 Rotary Encoder Module
- SEN0236 Gravity I2C BME280 Environmental Sensor Temperature, Humidity, Barometer
- SEN0232 Gravity Analog Sound Level Meter
- SEN0231 Gravity HCHO Sensor
- SEN0230 Incremental Photoelectric Rotary Encoder - 400P R
- SEN0228 Gravity I2C VEML7700 Ambient Light Sensor
- SEN0227 SHT20 I2C Temperature & Humidity Sensor Waterproof Probe
- SEN0226 Gravity I2C BMP280 Barometer Sensor
- SEN0224 Gravity I2C Triple Axis Accelerometer - LIS2DH
- SEN0223 Conductivity Switch Sensor
- SEN0221 Gravity Hall Angle Sensor
- SEN0220 Infrared CO2 Sensor 0-50000ppm
- SEN0219 Gravity Infrared CO2 Sensor For Arduino
- SEN0214 20A Current Sensor
- SEN0213 Heart Rate Monitor Sensor
- SEN0212 TCS34725 I2C Color Sensor For Arduino
- SEN0206 IR Thermometer Sensor MLX90614
- SEN0205 Liquid Level Sensor-FS-IR02
- SEN0204 Non-contact Liquid Level Sensor XKC-Y25-T12V
- SEN0203 Heart Rate Sensor
- SEN0197 Voice Recorder-ISD1820
- SEN0192 MicroWave Sensor
- SEN0187 RGB and Gesture Sensor
- SEN0186 Weather Station with Anemometer Wind vane Rain bucket
- SEN0185 Hall sensor
- SEN0178 Triple Axis Accelerometer FXLN83XX Series
- SEN0177 PM2.5 laser dust sensor
- SEN0175 UV Sensor v1.0-ML8511
- SEN0172 LX1972 ambient light sensor
- SEN0170 Wind Speed Sensor Voltage Type 0-5V
- SEN0169 Analog pH Meter Pro
- SEN0165 Analog ORP Meter
- SEN0161-V2 Gravity Analog pH Sensor Meter Kit V2
- SEN0161 PH meter
- SEN0160 Weight Sensor Module
- SEN0159 CO2 Sensor
- SEN0153 URM07-UART Ultrasonic Sensor
- SEN0152 URM06-ANALOG Ultrasonic
- SEN0151 URM06-PULSE Ultrasonic
- SEN0150 URM06-UART Ultrasonic
- SEN0149 URM06-RS485 Ultrasonic
- SEN0147 Smart Grayscale sensor
- SEN0143 SHARP GP2Y0A41SK0F IR ranger sensor 4-30cm
- SEN0140 10 DOF Mems IMU Sensor V2.0
- SEN0137 DHT22 Temperature and humidity module
- SEN0132 Carbon Monoxide Gas Sensor MQ7
- SEN0121 Steam Sensor
- SEN0114 Moisture Sensor
- SEN0101 TCS3200 Color Sensor
- SEN0097 Light Sensor
- SEN0085 Sharp GP2Y0A710K Distance Sensor 100-550cm
- SEN0073 9 Degrees of Freedom - Razor IMU
- SEN0072 CMPS09 - Tilt Compensated Magnetic Compass
- SEN0043 TEMT6000 ambient light sensor
- SEN0042 DFRobot Infrared sensor breakout
- SEN0038 Wheel Encoders for DFRobot 3PA and 4WD Rovers
- SEN0032 Triple Axis Accelerometer Breakout - ADXL345
- SEN0019 Adjustable Infrared Sensor Switch
- SEN0018 Digital Infrared motion sensor
- SEN0017 Line Tracking Sensor for Arduino V4
- SEN0014 Sharp GP2Y0A21 Distance Sensor 10-80cm
- SEN0013 Sharp GP2Y0A02YK IR ranger sensor 150cm
- SEN0008 SRF10 Ultrasonic sensor
- SEN0007 SRF08 Ultrasonic Sensor
- SEN0006 SRF05 Ultrasonic sensor
- SEN0005 SRF02 Ultrasonic sensor
- SEN0004 SRF01 Ultrasonic sensor
- SEN0002 URM04 V2.0
- SEN0001 URM37 V5.0 Ultrasonic Sensor
- Telecom Module (TEL) Index
- Motor Driver (DRI) Index
- Fitting (FIT) Index
- Robot (ROB) Index
- micro:bit (MBT) Index
- Kit (KIT) Index
- Toy (TOY) Index
- Servos (SER) Index
- What is XX series
- How to select series
- How it works series
- PinPong Library
- Introduction Specification
- Pin Definition
- Connection Diagram
- 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-VCC 3-GND
- High sensitivity to carbon monoxide
- Fast response
- Stable and long life
- Size: 40x20mm
Pin Definition
- Signal Output
- Power
- GND
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); } Back to TopTag » Arduino Mq7 Sensor
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Carbon Monoxide Gas Sensor MQ-7 - Arduino Project Hub
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MQ7Sensor - Arduino Reference
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Interfacing MQ-7 Smoke Gas Sensor Module With Arduino
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MQ-7 Carbon Monoxide Sensor Circuit Built With An Arduino
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Hướng Dẫn Sử Dụng Module Cảm Biến Khí CO (MQ-7 Sensor) - MLAB
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MQ7 Gas Sensors With Arduino - YouTube
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Arduino CO Monitor Using MQ-7 Sensor - Instructables
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Arduino / AVR Library For MQ7 Carbon Monoxide Detector. - GitHub
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Tự Làm Thiết Bị Cảnh Báo Khí CO Với Cảm Biến MQ7
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Basic Lesson – MQ-7 Gas Sensor
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Gravity: Analog Carbon Monoxide Sensor (MQ7) For Arduino
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MQ-7 Carbon Monoxide Sensor Circuit Built With An Arduino
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How To Use The MQ-7 Carbon Monoxide Sensor