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With a signal output instruction.
Dual signal output (analog output, and TTL level output)
TTL output
0~5V analog output voltage, the higher the concentration the higher the voltage.
Better sensitivity for LPG, propane, hydrogen
With a long service life and reliable stability
Rapid response and recovery characteristics
Detect flammable gases, fumes
Size: 32 x 22 x 27mm
Chip: AT89S52
Working voltage: DC 5V
Detectable concentration: From 300-10000ppm (flammable gases)
Using gas sensing material: SnO2 (Low conductivity)
1 x MQ-2 Gas Sensor Module
