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import smbus

import time

# for RPI version 1, use "bus = smbus.SMBus(0)"

bus = smbus.SMBus(1)

# This is the address we setup in the Arduino Program

address = 0x04

val=[0,0,0]

def analogRead():

bus.read_byte(address)

number = bus.read_i2c_block_data(address,1)

val[0]= (float)(number[1]*256+number[2])

val[1]= (float)(number[3]*256+number[4])

val[2]= (float)(number[5]*256+number[6])

def writeNumber(value):

bus.write_byte(address, value)

# bus.write_byte_data(address, 0, value)

return -1

def readNumber():

number = bus.read_byte(address)

# number = bus.read_byte_data(address, 1)

return number

time.sleep(1)

i=0

while True:

a=analogRead()

print "%.2f "%(val[0]*5/1024),

print "%.2f "%(val[1]*5/1024),

print "%.2f "%(val[2]*5/1024)

time.sleep(.1)