Wireless control system problem

I don't think you are paying the slightest bit of attention to what I am saying. You look at the page, grab a bit of code, stick it in, and hope for the best. What is the "flash ()" for?

What you are doing there is not putting the incoming text into a buffer, as I have recommended about three or four times now.
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I guess im just unsure how to but the incoming text into a buffer. Im new at coding and come here for help. I thank you so much for putting effort in trying to teach and help! I just need to understand a bit more. How would i put the incoming text into a buffer?

Thank you again!