your question on nextion

[rangathedon]

DanNixon/NeoNextion#33

I can help you but it will cost you since I am a freelancer and I have put lot of time and efforts to get it to work; let me know;

[llist]

I understand ..I have found the solution and I post -it ( with Arduino Mega it's not possible to obtain a value if you use ( RX1/RX2/RX3) !
Solution :
#define MEGA_RX_PIN 53
#define MEGA_TX_PIN 51
SoftwareSerial nextionSerial(MEGA_RX_PIN, MEGA_TX_PIN);

You did a great job.