

MQ-7 Gas Carbon Monoxide SensorSee More
· TTL output effective signal is low level. (When the output voltage is low, the signal light is on, which can be directly connected to the microcontroller or relay module).
· It has good sensitivity for carbon monoxide detection.
· It adopts double-sided board design, with power indication and TTL signal output indication.
· It has a long service life and reliable stability.
· There are four screw holes for easy positioning.
Features
1.Signal output light indicator.
2.Analog and level signal output.
3.TTL output valid signal is low. (When the output low signal light can be directly connected microcontroller or relay module).
4.the carbon monoxide detection with better sensitivity.
5.Has a long service life and reliable stability.
6.Rapid response recovery features.