about custom made arduino

Hey CrossRoads, thanks for the answer, but still can't upload without using a programmer, i got this message when using the verify/upload button:

avrdude: ser_setspeed(): tcsetattr() failed
avrdude: ser_open(): can't set attributes for device "/dev/tty.usbserial-AD01TQDA": Invalid argument
ioctl("TIOCMGET"): Bad file descriptor
avrdude: ser_close(): can't reset attributes for device: Bad file descriptor