I haven't shown the wiring, because it's quite simple in this kind of shield LCD.
Also, when I launch the program, rx and tx LEDs turn on. So I think that it isn't a communication issue.
thanks!!!
I haven't shown the wiring, because it's quite simple in this kind of shield LCD.
Also, when I launch the program, rx and tx LEDs turn on. So I think that it isn't a communication issue.
thanks!!!