MQ135 Air Quality & Hazardous Gas Detection Sensor Module

MQ135 Air Quality & Hazardous Gas Detection Sensor Module

Marsoni

M251S

$107.50

Get it in 3 business days with 1 day shipping. Friday, May 29

MQ135 Air Quality & Hazardous Gas Detection Sensor ModuleThe MQ135 Air Quality Sensor Module a low cost semiconductor sensor that can detect the presence of Ammonia (NH3), Mono nitrogen oxides (NOx), Alcohol, Benzene, Smoke, Carbon dioxide (CO 2), etc. This module provides both digital and analog outputs. MQ135 Air Quality Sensor module can be easily interfaced with Microcontrollers, Arduino Boards, Raspberry Pi, etc. Suitable for home or industrial on LPG, natural gas, coal gas monitoring devices.

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This watch is impressive. Perfect timekeeping, comfortable on the wrist, easy to read and lightweight without feeling flimsy. Considering the price it’s a remarkable watch. I don’t know about durability, time will tell, but I am impressed so far. I sincerely hope that it lasts, because I like it very much. I field style watches are your thing, you should not hesitate. Get it.

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Reviewed in the United States on June 2, 2026

Verified Purchase

Timur

Carnegie, US

★★★★★ 5

Impressive, especially at this price point.

Color: black/black

Feels & looks like a Timex Expedition- which fills with water in the shower, fogs on himid days. This is a fraction of the cost and functions as advertised.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 18, 2026