We cannot see your attempt at the if( ) ?
Do not use a for( ) loop, do not use delay( ).
Use a millis( ) TIMER for all delays. This allows you to do other things at the same time as animations.
Read this discussion:
We cannot see your attempt at the if( ) ?
Do not use a for( ) loop, do not use delay( ).
Use a millis( ) TIMER for all delays. This allows you to do other things at the same time as animations.
Read this discussion: