MQ-2 Smoke Gas LPG Butane Gas Sensor Module Tester For Arduino

MQ-2 Smoke Gas LPG Butane Gas Sensor Module Tester For Arduino

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Features:

1. Using high-quality dual-panel design, with power indicator and TTL signal output instructions
2. there are four screw holes for easy positioning
3. Analog output voltage with the higher concentration of higher voltage
4. TTL output valid signal is low. (Low-level signal when the output light can be directly connected to the microcontroller or relay module)
5. The switching signal having a DO (TTL) output and analog output AO


Special note:
After the sensor is powered, needs wait about 20S, measured data was stable, heat sensor is a normal phenomenon, because the internal heating wire.


Specifications:

Size: 32 x 22 x 27mm
Chip: LM393, ZYMQ-2 gas sensors
Working voltage: DC 5V
AO output :0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
DO output: TTL digital 0 and 1 (0.1 and 5V)
Input voltage: DC5V Power consumption (current): 150mA


Package included:

1 x MQ-2 gas sensor module

If you want another model, you can click on the ID
ModelGas DetectionItem ID
MQ2flammable gas/smoke1144079
MQ3alcohol steam1414301
MQ4Natural gas/Methane1377624
MQ5 Liquefied gas/Methane/Coal gas /LPG1378464
MQ6 Liquefied gas/Isobutane/Propane/LPG1378477
MQ7 Carbon monoxide915474
MQ8 hydrogen1378425
MQ9 Carbon monoxide flammable gas1378463
MQ131Ozone Concentration1183257
MQ135 Ammonia/sulfide/benzene vapor1378465
A set of MQ1005800

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