That's what I've been trying to get help with. How to write a code that will pass the info? What command tell the Mega to send the data to the ESP and what tells the ESP to send the data that it received?
That's what I've been trying to get help with. How to write a code that will pass the info? What command tell the Mega to send the data to the ESP and what tells the ESP to send the data that it received?