Arduino: minicom 9600bps

sudo apt-get install minicom

sudo dmesg | grep tty

[    0.145092] printk: legacy console [tty0] enabled
[    0.489285] 0000:00:16.3: ttyS4 at I/O 0xf0a0 (irq = 19, base_baud = 115200) is a 16550A
[ 2434.115161] usb 1-1: pl2303 converter now attached to ttyUSB0

sudo minicom -b 9600 -o -D /dev/ttyUSB0