MQ2 Sensor – Smoke Gas LPG,Hydrogen Gas Sensor Detector Module

Size: 32mm X 22mm X 27mm
Chip: LM393, ZYMQ-2 gas sensors
Working voltage: DC 5V
Characteristics:
-With a signal output instruction.
-Dual signal output (analogue output, and TTL-level output)
-TTL output
-The 0~5v analogue output voltage, the higher the concentration the higher the voltage.
-The gas, natural gas, city gas, smoke better sensitivity.
-With a long service life and reliable stability
-Rapid response and recovery characteristics