25 light flashing sequence

reply to the thread
put in your code tags and you read about in the link tom posted.

post your code.

stop asking for advise, when you are want advice.

the simple things do matter.

as you make corrections in your code, post it in a new post. that way others can see the progress.

lastly, go to your first post
at the bottom right of the post is a place you can use to edit your post.

put your code in code tags as the link Tom posted shows you how to do.