I want to send some characters from my computer to arduino through USB hardware serial and accordingly i want to send serial data to a controller via software serial ports. How do i do it?. I know serial communication for single port and it works fine but when I try to use hardware and software serial together it just does not work for me. The data is sent to the arduino from computer as seen in serial monitor but nothing happens on the software serial port. What could be the problem?. I don't understand how listen() function works. Kindly help Thank you.
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