How to use gas sensor without arduino.

[Shahedakhondokar]

Can we use mq6 gas sensor instead of mq2

[aviationislife]

In which pin of sensor we have to connect buzzer

[KM-sfth]

Wanted to ask, is there a way to make the MQ2 sensor become horizontal? in order for it to fit in my CAD design.

[lalfernando]

Without a circuit diagram how can do this

[Healer]

So the smoke needs to touch the sensor in order to react....so for that to happen I need to add fan so the sensor can detect smoke or gas fast...so we can take necessary

[Hassan-pmkx]

Please , I want to ask .

Can I use MQ2 sensor for smoke?
Or only gas ??

If only gas, what is use for smoke ?

[gabyxze]

Hello, the buzzer is active or passive?

[cwtprasad]

this is smoke sensor not is a gas sensor