

Air Quality Sensor Hazardous Gas Detection Module
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5-30 Days Delivery
Return in original condition for full refund
Feature:
With signal output instructions
TTL output signal is low level
Analog 0 ~ 5 v voltage output, the higher the concentration, the higher the voltage
Specification:
Air Quality Sensor Module
Size: 32mm X22mm X27mm
Main chip: MQ-135
Working voltage: DC 5v