MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit

Regular price
$1.44
Sale price
$1.44

 

 

 

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DSC_0761__ DSC_0760_

 

  • [Statement] This procedure is used only for study and reference, please indicate the copyright and author information!
  • ************************************************** ******************* /
  • / ************************************************* *******************
  • Note: 1, when the measured concentration is greater than the set density, single-chip IO port output low
  • ************************************************** ******************* /
  • # Include // library files
  • #define uchar unsigned char // macro definition unsigned char
  • #define uint unsigned int // macro definition unsigned int
  • / ************************************************* *******************
  • I / O definitions
  • ************************************************** ******************* /
  • sbit LED = P1 ^ 0; // define microcontroller P1 port of the first one (ie P1.0) to indicate the end
  • sbit DOUT = P2 ^ 0; // define the microcontroller P2 port first one (ie P2.0) as an input sensor
  • / ************************************************* *******************
  • Delay function
  • ************************************************** ******************* /
  • void delay () // delay procedure
  • {
  • uchar m, n, s;
  • for (m = 20; m> 0; m--)
  • for (n = 20; n> 0; n--)
  • for (s = 248; s> 0; s--);
  • }
  • / ************************************************* *******************
  • The main function
  • ************************************************** ******************* /
  • void main ()
  • {
  • while (1) // infinite loop
  • {
  • LED = 1; // off P1.0 port lights
  • if (DOUT == 0) // When the concentration is higher than the set value, the implementation of the Con
  • {
  • delay (); // delay interference
  • When if (DOUT == 0) // determine the concentration higher than the set value, the implementation of the Con
  • {
  • LED = 0; // P1.0 port lights lit
  • }
  • }
  • }
  • }
  • / ************************************************* *******************
  • End
  • ************************************************** ****************** /
MQ-135 Product Overview:
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
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 .
MQ135 gas sensor sensitive material used in the clean air, low conductivity tin oxide (SnO2). When present in the environment pollution gas sensor, conductivity sensor with the increase in air pollution in the gas concentration increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal.
MQ135 ammonia gas sensor, sulfide, benzene vapor high sensitivity, smoke and other harmful monitoring will also be ideal. The sensor can detect a variety of harmful gases, it is a low-cost sensors for a variety of applications.
Application:
Can be used for home and factory gas leakage monitoring devices, suitable for liquefied petroleum gas, butane, propane, methane, smoke, etc.
 
MQ-2 Product Overview:
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.

 

MQ-3 Product Overview:

Sensitive material MQ-3 gas sensor is used in clean air low conductivity tin oxide (SnO2). When there is alcohol vapor in the environment sensor, conductivity sensor with increasing gas concentration of alcohol in the air increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal. High MQ-3 gas sensor sensitivity to alcohol, can resist the interference of gasoline, smoke, water vapor. The sensor can detect a variety of alcohol concentration in the atmosphere, is a low-cost sensor suitable for a variety of applications
Application:
For on-site detection of motor vehicle drivers and other non-drinking workers, but also for detecting other places of ethanol vapor, alcohol detection range: detection range 10 ~ 1000ppm.
 

MQ-4 Product Overview:

Sensitive material MQ- 4 gas sensors used in clean air, low conductivity tin oxide (SnO2). When there is an environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal. MQ-4 Methane gas sensor of high sensitivity, propane, butane and has a good sensitivity. The sensor can detect a variety of combustible gases, especially natural gas, it is a low-cost sensor suitable for a variety of applications.
Application:
Gas can be used in homes and factories leakage monitoring device, suitable for the detection of liquefied petroleum gas, butane, propane, methane, smoke and the like
 
MQ-5 Product Overview:

Size: 32X22X27mm/

Main Chip: LM393, ZYMQ-5 gas sensor

Operating Voltage: DC 5V

Input Voltage: DC5V

Power: 150mA

DO Output: 0.1V/5V

AO Output: 0.1-0.3A

Features:

Indication of the signal output

Dual signal output (analog output, and TTL level output)

TTL output signal is low. (When low output signal light, and can be connected directly to the microcontroller)

0 ~ 5V analog output voltage, the higher the concentration, the higher the voltage

Liquefied petroleum gas, natural gas, city gas, better sensitivity

Has a long life and reliable stability

Fast response and recovery characteristics

Applications :

Liquefied petroleum gas, natural gas, coal gas monitoring device suitable for home or industrial. Excellent resistance to alcohol, smoke interference ability

 

MQ-6 Product Overview:
Sensitive material MQ-6 gas sensors used in clean air, low conductivity tin oxide (SnO2). When there is an environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal. MQ-6 gas sensor for propane, butane, LPG high sensitivity, natural gas and has a good sensitivity. The sensor can detect a variety of combustible gas, it is a low-cost sensor suitable for a variety of applications.
Application:
Suitable for home or industrial on LPG (liquefied petroleum gas), butane, propane, LNG (liquefied natural gas) detection devices. Excellent resistance to ethanol vapor, mist interference.
 

MQ-7 Product Overview:

Sensitive material MQ-7 gas sensors used in clean air, low conductivity tin oxide (SnO2). High-low temperature cycling detection mode (1.5V heating) carbon monoxide detector, conductivity sensor with the increasing concentration of carbon monoxide gas in the air increases,high-temperature (5.0V heating) cleaning cryoadsorption stray gases. Using a simple circuit to change the conductivity, concentration of the gas is converted to the corresponding output signal. MQ-7 gas sensor of high sensitivity for carbon monoxide, this sensor can detect a variety of gases containing carbon monoxide, is a low-cost sensors for a variety of applications
Application:
Can be used for home and factory gas leakage monitoring devices, suitable for liquefied petroleum gas, butane, propane, methane, smoke, etc.
 
MQ-8 Product Overview:
Sensitive material MQ-8 gas sensors used in clean air, low conductivity tin oxide (SnO2). When there is an environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal. MQ-8 hydrogen gas sensor of high sensitivity monitoring of other hydrogen-containing gas is also very good. The sensor can detect a variety of hydrogen-containing gas, in particular, city gas, is a low-cost sensor suitable for a variety of applications.
Application:
Suitable for home or industrial hydrogen leak monitoring devices. Can not interfere with ethanol vapor, soot, carbon monoxide and other gases.
 
MQ-9 Product Overview:
Sensitive material MQ-9 gas sensors used in clean air, low conductivity tin oxide (SnO2). High-low temperature cycling detection mode (1.5V heating) detecting carbon monoxide sensor's conductivity increases with the air of carbon monoxide gas concentration increases, spurious adsorption at high temperature (5.0V heat) detection of combustible gases methane, propane, and cryogenic cleaning gas. Using a simple circuit to change the conductivity, concentration of the gas is converted to the corresponding output signal. MQ-9 gas sensor for high carbon monoxide, methane, liquefied petroleum gas sensitivity, this sensor can detect a variety of carbon monoxide and combustible gas, is a low-cost sensor suitable for a variety of applications.
Application:
Suitable for home or industrial hydrogen leak monitoring devices. Can not interfere with ethanol vapor, soot, carbon monoxide and other gases.
  • NOTE:

    After the sensor is powered, need to warm about 20S, measured data becomes stable, heat sensor is normal 
  •