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Spare serial ports ??

Posted: Thu Feb 06, 2020 9:33 pm
by Softfoot
I have a Pro C with a GT2560 A+.

I want to attach a second serial port to use with a Ethernet to serial gateway.

I intend to leave the USB port for software upgrades/debugging.

The Mega2560 has 4 serial ports, but some of their pins are reused for other purposes.

Dose anyone know if any of the serial port TXx/RXx pins are definitely unused ??

Thanks in advance,

Re: Spare serial ports ??

Posted: Fri Feb 07, 2020 8:53 am
by William
Hi,You can view the motherboard schematic in the download-resource on the official website.