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MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor module for arduino

上市日期: 2017-08-28
建议销售价: 0
MQ sensor 7 is a sensitive gas sensor materials used in clean air, low conductivity of tin dioxide (sno2). detection method using low temperature cycle (1.5 v (heating) detection of carbon monoxide, airborne sensor increases with the increase of the conductivity, the concentration of carbon monoxide gas, high temperature (5.0 v heating cleaning parasite gas adsorption at low temperature. by using a simple circuit can be changes in the conductivity, the concentration of the gas is converted to the corresponding output signal. mq - gas sensor with high sensitivity to carbon monoxide, this sensor can detect a variety of gas containing carbon monoxide, is a low cost sensor module for a variety of applications, applications: for the house, the environment of the device for detection of carbon monoxide. suitable for the detection of gas and carbon monoxide. unit characteristics: 1, using high quality double panel design with power indicator and ttl output signal instructions; 2, with a switch signal (ttl) output and analog output signal, output signal; and (3) a valid ttl is low. when the output signal can be directly connected to a low or a relay module microcontroller), the analog output voltage, the higher concentration of the stress. 5, the detection of carbon monoxide with an improved sensitivity. (6) there are four screw holes for positioning, easy, product dimensions: (l) * (w) * (h), with a long shelf life and stability reliable, rapid response and recovery characteristics of electrical input voltage (current dc5v power. 150ma): exit do: ttl digital 0 and 1 (0.1 and 5 v), 0.1-0 exit. 3 v (), the highest stress concentration around 4 v special note: the sensor is provided, the need for warmth around 20 seconds, measured data is stable, the sensor temperature is a normal phenomenon, because the internal heating wire, hot is not normal.

MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor module for arduinoMQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor module for arduinoMQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor module for arduinoMQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor module for arduinoMQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor module for arduino


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