MQ135 Air Quality Sensor Module

SKU: 20192692

Price:
د.إ40

"Shipping: 3-6 days"

Stock:
In stock

Description

Wide detecting scope
Fast response and High sensitivity
Stable and long life
Operating Voltage is +5VDC
Detect/Measure NH3, NOx, alcohol, Benzene, smoke, CO2, etc.
Analog output voltage: 0V to 5V
Digital output voltage: 0V or 5V (TTL Logic)
Preheat duration 20 seconds
Can be used as a digital or analog sensor
The Sensitivity of digital output can be adjusted using on board potentiometer
The TTL output valid signal is low. (When the output is low, the signal light is on, it can be directly connected to the MCU or relay module)
The voltage of the analog output, the higher the concentration, the higher the voltage.
Arduino compatible
Comes with 4 mounting screw holes (M3 or 3mm size)

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