serial-read-example.py

import serial
from glob import glob
from time import sleep
port = glob("/dev/tty.usb*")[0]
ard = serial.Serial(port,57600)

print "waiting to start"
for i in range(3,0,-1):
  print i,
	sleep(1)
	
print "starting"
ard.timeout = .1

a = ard.inWaiting()

print a

ard.write("s")

while True:
	stringer = ""
	while ard.inWaiting() > 0:
		stringer  += ard.read()
	print stringer
	sleep(0.05)