How To Use MQ2 Gas Sensor With I2C LCD | Arduino Uno | Arduino Projects | Inovatrix Guys

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Here we have configured MQ2 Gas Sensor with I2C LCD Display and Arduino Uno..
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[allenoliquiano]

Hello will you help me to this error?


Arduino: 1.8.5 (Windows 7), Board: "Arduino/Genuino Uno"

fatal error: MQ2.h: No such file or directory

#include <MQ2.h>

^

compilation terminated.

exit status 1
Error compiling for board Arduino/Genuino Uno.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

[sanjaykhatri]

I am getting all values 0 on my lcd display does we have to wait for 5 min for heating or is there any other problem how to solve

[hanhvo]

sir, why Can't i open the file code?

[syafiqdanial]

i alreaady upload the code but the lcd does not display anything

[rollyclemente]

Hello. Why am I getting compile error...'loop' collect2 error: of returned 1exit status return code is not 0

[rittikadeb]

the sensor is not glowing after uploading the code even though the connections are right. Can u plz solve it?

[collegeprojects]

There is a problem with compiling
While compiling it says that there is no directory for mq2

[mezooajmi]

Sir, what is the input and output of gas sensor?

[ThanhPhan-kxgz]

Can you help me fix this?
MQ2_LCD:11:13: error: no matching function for call to 'LiquidCrystal_I2C::begin()'

lcd.begin();

[shreyankp]

How can we add a buzzer if the smoke value increases