📌SMOKE DETECTOR 

Very Gud BrO Keep it up..😊

Hii sir Aapka ye video dekh kar mene ye banaya aur ye MQ2 smoke detetor work kar raha he Thank you so much sir 🙏 ☺️ 😊

Mast video bhai....... Aage v banate raho aise hi

wow thats cool!

Cool vid

Nice one

wow

cool stuff

Simple and Best bro👍

super nice

Will it work on 3.7 V?

very cool

What is the name of the 3 connecting wire you said 1:49

good job

Wow i didnt know this

what is that transistor/ic name???

this mq sensor is mq5 or mq2 or what plz reply

very good

Thanku..helped lot

hmm ok I liked it

very nice project sir

nice

Sir buzzer ko kitne volt mil rahe hain Mai s circuit me koi chota fan Yani pankha laga kr kitchen hood k lie use karna chahta hon. Plz reply zroor dens

I like

respect

hmm not bad

Bro I made this but when I remove the smoke then also the buzzer keeps beeping and there is a green light on the do led

I was doing gas leakage detector project with MQ 5 sensor. But I was getting the output without sense

How much time do the sensor takes to sense

sup bro

What is the full form of AO,DO,GND,VCC?

Sensor konsa MQ

Can i use mq 2?

Can this work without battery

Circuit diagram

Kaise bolte ho

asda

a

wow thats cool!

nice