I have an Arduino from wavgat ,
I connect the Mq-2 gaz sensor to analog input
And I get some abnormal numbers 0.....1500 ..... 4060 ??
Do you really expect us to be able to say that the problem is in your code at line 43210 without having seen the code.
If you haven't done so yet, please read How to use this forum - please read. - Installation & Troubleshooting - Arduino Forum and pay special attention to point #7 about posting code.