Gas Sensor Module MQ-2 Smoke Hydrogen Butane LPG Methane DetectorIntroduce:MQ-2 gas sensor sensitive material used in the clean air low conductivity tin oxide (SnO2). When there is the environment in ..

Dual signal output (analog output, and TTL level output)TTL output valid signal is low, can be connected directly to the microcontroller0 ~ 5V analog output voltage, the higher the concentration the h..

Main chip: LM393,MQ-135 gas sensorOperating voltage: DC 5VWith signal output indicator instructions.Dual signal output (analog output, and TTL level output).TTL output valid signal is low level, (outp..

Module Features One, size: 35mm X40mm X28mm L * W * HTwo main components: hydrogen sulfide gas sensorThird, the working voltage: DC 5VIV characteristics           &n..

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 ..

MQ-5 sensor introduction:The gas sensitive material used by the MQ-5 gas sensor is two tin oxide (SnO2) with low conductivity in clean air. When combustible gases exist in the environment of the senso..

Size: 32mm X 22mm X17mm    The main chip: LM393, MQ-6 gas sensors    Operating voltage: DC 5 V        Has a signal output indication.       ..

Product Name:Gas Sensor ModuleTesting gas: Carbon MonoxideDetection of concentration: 10-1000ppmCOLoop voltage: 10V DCHeater voltage: 5V±0.2V ACorDC(high), 1.5V±0.1V ACorDC(low)Load resistance: adjust..

MQ-8 module Hydrogen sensor alarm Gas sensor ModuleMQ-8 Sensor Description:MQ-8 gas sensor sensitive material used in clean air conductivity is lower tin dioxide (SnO2). When the sensor is presen..

MQ-9 Sensor Description :Sensitive material MQ-9 gas sensor is used to clean the air in the lower conductivity of tin dioxide (SnO2). Detection method using low temperature cycling (1.5V heating ) to ..

 Module FeaturesOne, size: 35mm X40mm X28mm L * W * HTwo main components: ammonia gas sensorThird, the working voltage: DC 5VIV characteristics              &nb..