What is an example of a sensor for air quality?

A. DHT11

B. MQ135

C. LDR

D. IR Sensor

Correct Answer is :

B. MQ135

Explanation

MQ135 is a gas sensor commonly used in air-quality-related projects.

MQ135 एक gas sensor है जिसका उपयोग air-quality monitoring projects में किया जाता है।