Hello World! I have been struggling with this issue for a while. I have a simple arduino sketch reading incoming serial data and turning an LED on and off if a character "L" is received. Im using a Java program (jSSC library) to send characters to arduino via USB. The code works beautifully if I …

Sending serial data to Uno via Java. Code works on Uno R3 but not on Mega2560

johnwasser May 8, 2014, 12:28pm 2

Could your Java program be sending to the wrong serial port?

Topic		Replies	Views
Problem interfacing Arduino MEGA while working correctly on UNO General Guidance	11	1844	May 5, 2021
Serial communication with Java and Arduino Leonardo Interfacing w/ Software on the Computer	31	13875	May 6, 2021
from processing to arduino mega 2560 doesn't work Interfacing w/ Software on the Computer	4	1035	May 6, 2021
Communication from Java to Arduino Interfacing w/ Software on the Computer	8	7047	May 6, 2021
Daten mit eigenem Java Programm an Arduino senden, Problem!!! Deutsch	11	4492	May 6, 2021