MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor
MQ-2 Smoke Gas Sensor

MQ-2 Smoke Gas Sensor

Smoke Gas LPG Butane Hydrogen Propane Sensor Detector Module for Arduino




MQ-2 Gāze sensors - ir viegli izmantot gāzes sensoru, tiek plaši izmantotas robotika un automatizācijas sistēmas Arduino projektiem.
- Sensitive ar sašķidrinātu naftas gāzi (LPG), propāns, ūdeņradis, 
- Izejas spriegums ir atkarīgs no koncentrācijas mērāmo gāzu ; 
- Ātras reaģēšanas un atveseļošanās; 
- Regulējams jutīgums, 
- ieejas signāla indikators. 
- Darba spriegums: 2,5 ... 5V; 
- iekāpt Izmērs: 40 x 21 mm 
- montāžas caurumi: 2,0 mm. 
- gāzes noplūdes detektoru; 

MQ-2 gas sensor sensitive material used in the clean air low conductivity tin oxide (SnO2). When there is the environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Using a simple circuit to convert the change in conductivity of the gas concentration corresponding to the output signal. MQ-2 gas sensor high on gas, propane, hydrogen sensitivity of detection of natural gas and other flammable vapors are also very good. This sensor can detect a variety of flammable gas, is a low-cost sensors for a variety of applications.

   Gas may be used in homes and factories leakage monitoring device suitable for the detection of gas, butane , propane , methane , smoke , etc. 


  • Using high-quality dual-panel design, with power indicator and TTL signal output instructions;
  • The switching signal having a DO (TTL) output and analog output AO ;
  • TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
  • Analog output voltage with the higher concentration of higher voltage.
  • A gas, natural gas, city gas , smoke better sensitivity.
  • There are four screw holes for easy positioning ;
  • Has a long life and reliable stability
  • Rapid response and recovery characteristic

Input voltage : DC5V Power consumption ( current ): 150mA
DO output : TTL digital 0 and 1 ( 0.1 and 5V)
AO output :0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V
Special note: After the sensor is powered , needs to warm up around 20S, measured data was stable , heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal .

  • VCC: positive power supply (5V)
  • GND: power supply is negative
  • DO: TTL switching signal output
  • AO: analog signal output
No reviews

8 other products in the same category:

Product added to wishlist
Product added to compare.

Our website uses cookies. Cookies help to ensure the proper functioning of the website and its improvement, so the necessary cookies (technical, functional and analytical) are installed automatically. In order to personalize your Internet search experience and provide suggestions that will be relevant to you, the website also uses targeted cookies. By clicking "I agree", you agree to the installation and use of target cookies. You can revoke your consent at any time by changing the settings of your Internet browser or deleting the recorded cookies. More detailed information is provided in the cookie policy