In other videos, people are connecting 'Do' signal wire to minus of led & buzzer but u r joining with plus of led & buzzer. Which will work better. Please tell me
@dextertech6570
Жыл бұрын
I guess 'O' means Out, not Zero. "AO" is Analog Out and "DO" is Digital Out
@SumanDas-jl5by
8 ай бұрын
Great
@jaineshk.r5162
Жыл бұрын
What power supply are you using
@leela..14
10 ай бұрын
I used mq 2 sensor after piset when im keeping smoke near it the buzzer is not coming 😢any solution plz plz
@jaineshk.r5162
Жыл бұрын
Can we use the small buzzer
@futurethought566
10 ай бұрын
*I tried but when I connect to battery sensor light getting off with in 2 seconds, any body tell why it's getting switch off*
@DharshithManoj
7 ай бұрын
Is it compulsory to use buzzer?.. Or we can use the sensor without it?
@dipanjan100
7 ай бұрын
Not compulsory, it has been used for notification only
@LogeshKumar-vs9uo
23 күн бұрын
Sir can we give the connections in the breadboard
@dipanjan100
20 күн бұрын
Will upload soon
@Jorge-or3fr
29 күн бұрын
Hello My friend. Can it detect cigarrete smoking?
@dipanjan100
27 күн бұрын
Yes you can
@urvishshah8423
Жыл бұрын
I assembled circuit as shown in the video It worked well,but in 2 hrs the 9v battery was fully discharged could you please give a solution?
@dipanjan100
Жыл бұрын
The internal heater consumes maximum current, which can not be avoided, use lithium ion high mahal battery or supply from AC power line through a 5V DC supply
@futurethought566
10 ай бұрын
@@dipanjan100 *I tried but when I connect to battery, sensor light getting off with in 2 seconds, any body tell why it's getting switch off*
@futurethought566
10 ай бұрын
@@dipanjan100 *can we use smart ph charger*
@adityakarun6572
Жыл бұрын
Thank you sir for the explanation
@dipanjan100
Жыл бұрын
Always welcome
@futurethought566
10 ай бұрын
@@dipanjan100 *I tried but when I connect to battery, sensor light getting off with in 2 seconds, any body tell why it's getting switch off*
@jairoquevedo
5 ай бұрын
Buzzer active o pasivo?
@dipanjan100
4 ай бұрын
Active device
@the_markos_
Жыл бұрын
Can we use mq5 sensor in place of mq2 sensor
@dipanjan100
Жыл бұрын
Yes u can
@amsndd6379
6 ай бұрын
sir how long should we wait after giving 5v to the MQ3 sensor
@dipanjan100
6 ай бұрын
Approximately 60 sec
@ALLROUGH99
6 ай бұрын
Sir its not working, the heat is not setting up , i am using 3.7 volt li,lion battery
@dipanjan100
27 күн бұрын
Use 5V, after buying new sensor u need to pre heat for 48 hour
@kier1752
9 ай бұрын
can i use 9v battery?
@dipanjan100
9 ай бұрын
By 9V internal sensor heater may damage
@dipanjan100
9 ай бұрын
If u want use 9v baytery, use 5v regulator IC 7805
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