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#!/usr/bin/python
import serial, string
output = " "
ser = serial.Serial('/dev/ttyUSB1', 9600, 8, 'N', 1, timeout=1)
while True:
while output != "":
output = ser.read(4)
print len(output)
try:
print int(output)
except ValueError:
print ":".join("{:02x}".format(ord(c)) for c in output)
print output
output = " "