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

Projects Interfacing w/ Software on the Computer

johnwasser May 9, 2014, 7:48pm 4

If the RX light is blinking the data is getting to the processor... Perhaps it is time to show your code. Maybe someone can spot code that could cause a problem on a MEGA.

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

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