check if there's a USART on the pinout diagram of the brain. if we're lucky it will be rs232 compatible. then all we need is an FTDI or similar chip to interfac

check if there's a USART on the pinout diagram of the brain. if we're lucky it will be rs232 compatible. then all we need is an FTDI or similar chip to interface with USB which should give you a tty in /dev.