Air Sensors

Air sensors from DFRobot can meet various scenarios, including hydrogen, carbon dioxide, carbon monoxide, VOC, methane, formaldehyde, PM2.5, etc.

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Air Quality Monitor (PM 2.5, Formaldehyde, Temperature & Humidity Sensor) Introduction This is a multifunction air quality monitor that can be detected not only the concentration of particles and formaldehyde but also the value of temperature and humidity. As the particle concentration sensor it can be used to obtain the number of suspended particles in the air by laser. It also integrates in it an electrochemical probe for formaldehyde and an one- chip sensor for temp..

$79.00 SKU:SEN0233 In Stock
Anemometer Kit (0-5V) Introduction Ever want to build your own weather station? This anemometer is made of shell, wind cups and circuit module. It has built-in photovoltaic module, industrial microcomputer processor, and standard current generator. Made with aluminium alloy, the anemomter is of high strength, weather resistance and corrosion resistance. The millitary quality interface ensures long life of this ane..

$54.55 SKU:SEN0170 In Stock
Carbon Monoxide Sensor (MQ7) 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 sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC. &nb..

$6.75 SKU:FIT0227 In Stock
Gravity: Analog Alcohol Sensor (MQ3) For Arduino Introduction This is an Arduino Alcohol sensor. It uses a MQ3 probe which can be used in a Breathalyser. It has a high sensitivity to alcohol and less sensitivity to Benzine. The sensitivity is able to be adjusted by the potentiometer. The output is proportional to the density of gas. You can use analog reading to read the data from this sensor. To ease the difficult..

$6.90 SKU:SEN0128 In Stock
Gravity: Analog Carbon Monoxide Sensor (MQ7) For Arduino Introduction This is an Arduino Carbon Monoxide Sensor. It uses MQ7 probe to detect Carbon Monoxide (CO) concentrations in the air from 20 to 2000ppm. The sensitivity can be adjusted by the potentiometer. The output is proportional to the density of gas. You can use analog reading to read the data from this sensor. To ease the difficulty of using t..

$9.85 SKU:SEN0132 In Stock
Gravity: Analog CH4 Gas Sensor (MQ4) For Arduino Introduction This is an Arduino CH4 gas sensor. It uses MQ4 probe which is able to detect nature gas, CH4. It is less sensitivity in detecting alcohol, cooking fumes, and cigarette smoke.The sensitivity can be adjusted by the potentiometer. The output is proportional to the density of gas. You can use analog reading to read the data from this sensor. To eas..

$6.90 SKU:SEN0129 In Stock
Gravity: Analog CO/Combustible Gas Sensor (MQ9) For Arduino Introduction This is an Arduino CO/Combustible Gas sensor. It uses MQ-9 to dectect Carbon Monoxide. The sensor can be used to detect different gases containing CO and combustible gases, it is low cost and suitable for a variety of applications. The core sensing material of MQ-9 gas sensor is SnO2, which has a lower conductivity in clean air. It makes detection by cycling high and low t..

$7.50 SKU:SEN0134 Out Of Stock
Gravity: Analog CO2 Gas Sensor For Arduino Introduction "Greenhouse Effect" is melting the Earth ice core every minute and creating dangerous icebergs. By knowing the exact concentration of CO2(Carbon Dioxide), we can do something to reduce the CO2 and to protect our Earth. Here is the CO2 sensor designed by DFRobot lovely engineer. This is the first CO2 sensor in Arduino market. The output voltage of the module falls as th..

$56.00 SKU:SEN0159 In Stock
Gravity: Analog Gas Sensor (MQ2) For Arduino Introduction This is a generic Arduino gas sensor. It has MQ2 probe which is able to detect LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It can be used in gas leakage detecting device in consumer and industry markets. It has a high sensitivity and fast response time. The sensitivity can be adjusted by the potentiometer. The output is proportional to the density of gas. ..

$6.90 SKU:SEN0127 In Stock
Gravity: Analog Hydrogen Gas Sensor (MQ8) For Arduino Introduction This is an Arduino hydrogen gas sensor. It has high sensitivity to Hydrogen (H2) and less sensitivity to alcohol, LPG,cooking fumes . Hydrogen gas is highly flammable and will burn in air at a very wide range of concentrationsThe sensitivity is able to be adjusted by the potentiometer. The output is proportional to the density of gas. You can use analog reading..

$10.55 SKU:SEN0133 In Stock
Gravity: Analog Infrared CO2 Sensor For Arduino (0~5000 ppm) Introduction The concentration of carbon dioxide (0.03% usuallly) is related to daily life. Recently, there’s a study showing that the atmospheric CO2 content has reached 0.0385% (385 ppm) which is the highest value since 2.1 million years. The raise of atmospheric CO2 content to some extent results in global climate change. How to accurately measure the carbon dioxide gas concentration is becom..

$58.00 SKU:SEN0219 In Stock
Gravity: Analog LPG Gas Sensor (MQ5) For Arduino Introduction This is an Arduino LPG gas sensor. It has MQ5 probe which is very sensitive with LPG, natural gas , town gas. It is less sensitive with alcohol, cooking fumes and cigarette smoke. The sensitivity can be adjusted by the potentiometer. The output is proportional to the density of gas. You can use analog reading to read the data from this sensor. ..

$6.90 SKU:SEN0130 In Stock
Gravity: Analog Propane Gas Sensor (MQ6) For Arduino Introduction This is an Arduino Propane Gas Sensor. It uses MQ6 probe to detect iso-butane, propane and liquefied petroleum gas (LPG). It is less sensitive with alcohol, cooking fumes and cigarette smoke.It can be used in gas leakage detecting equipment in consumer and industry applications, The sensitivity can be adjusted by the potentiometer. The output i..

$6.90 SKU:SEN0131 In Stock
Gravity: Dust Sensor Adapter Introduction Sharp GP2Y1010AU Dust Sensor requires some wiring on the breadboard and a list of components to make it Arduino compatible. This has turned down several people due to the thin wires of the sharp sensor making it yet another addition to the drawer. We've listened your requests and created this adapter so you can get started right away on your project. If you are plann..

$3.90 SKU:DFR0280 In Stock
Gravity: Formaldehyde (HCHO) Sensor Introduction The Formaldehyde (HCHO) sensor is an Arduino & Raspberry Pi compatible module, which is the ideal solution for indoor air quality monitor. This is a HCHO(CH2O) sensor module. It can be used to measure HCHO in air. Through it, you can know the air quality. This sensor module is widely used in many air testing applications, such as indoor air quality, real time quality monitorin..

$49.50 SKU:SEN0231 In Stock
Gravity: I2C BME280 Environmental Sensor Introduction BME280 is an environmental sensor that integrates onboard temperature sensor, humidity sensor and barometer. The sensor is of high precision, multiple functions, and small size etc. It provides both SPI and I2C interfaces, which make it easy to make a fast prototypes. It can be widely used in environmental monitoring, story height measurement and Internet of Things (IoT) control and ..

$15.00 SKU:SEN0236 In Stock

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