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#51 Consider adding jumpers to FTDI USART pins
Currently the USART1 TX/RX pins are exposed in the expansion port. If the intent is for those pins to be reconfigurable for a different use in an expansion card, then a mechanism for removing the FTDi chip from these ports is desirable to avoid collisions. Suggestion: add some form of jumper to be able to disconnect the FTDI TX and RX from the port and expansion pins.