MQ-7 modul Szén-monoxid gázérzékelő érzékelő riasztás MQ7 érzékelő modul
MQ-7 module Carbon monoxide gas sensor detection alarm MQ7 sensor module
Introduction to MQ-7 sensor:
The gas-sensitive material used in the MQ-7 gas sensor is tin dioxide (SnO2) with low conductivity in clean air. The high and low-temperature cycle detection method is used to detect carbon monoxide at low temperature (1.5V heating), the conductivity of the sensor increases with the increase of the carbon monoxide gas concentration in the air, and the high temperature (5.0V heating) cleans the stray gas adsorbed at low temperature. A simple circuit can convert the change in conductivity into an output signal corresponding to the gas concentration. The MQ-7 gas sensor has a high sensitivity to carbon monoxide. This sensor can detect a variety of gases containing carbon monoxide. It is a low-cost sensor suitable for a variety of applications.
1005003526627704 - fullstar