Air Quality Monitoring System using MQ135 Gas Sensor and NodeMCU | Steps Explained with full code.

[@PoojaL-x1j]

How much cost sir

[@zizo8737]

How can we integrate led and buzzer with please tell me sir

[@denise4ever242]

Can we add dht11 sensor to this circuit?

[@dakshsharma6094]

where do i get the api key

[@Airbag888]

MQ135 requires 5V, why did you plug in the 3v3? You can use VU or VCC instead

[@sankethgr7027]

Thankyou for Video 😀
But the audio of this videos is low

[@vandanpatel524]

Sir can you give the code to me

[@vandanpatel524]

I want it please 🙏

[@jamshirtangri5757]

Explain the code sir plxzx