cg312 mq2 smoke gas sensor module for arduino works with official arduino boards

Model: FC-22-1 - Quantity: 1 - Color: Blue - Material: PCB board - Range: 10~1000ppm - High quality double panel design with power and TTL signal output indicator - With DO switch signal (TTL) output and AO analog signal output - TTL output effective signal for low level (when output lower than usually the signal light can be directly meet SCM or relay module) - Analog output voltage: 0~5V the higher concentration the higher voltage - High sensitivity for the harmful gases detection - There are four screw holes for positioning - Product size: 32mm (L) x 20mm (W) x 22mm (H) - Long service life and reliable stability fast response and recovery characteristics - Working voltage: 5V - Suitable for home / industry carbon monoxide coal gas natural gas smoke and other harmful monitoring gases detection - Before use please heat the board for about 20 seconds - Packing list: - 1 x Sensor module

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