复制别人的python代码执行出错_DHT11测温代码python运行出错

python运行出错

File "./DHT11.py", line 20

for i in range(0,500):

^

IndentationError: unexpected indent

如何解决

以下是全部代码：

#!/usr/bin/python

import RPi.GPIO as GPIO

import time

def bin2dec(string_num):

return str(int(string_num, 2))

data = []

GPIO.setmode(GPIO.BCM)

GPIO.setup(4,GPIO.OUT)

GPIO.output(4,GPIO.HIGH)

time.sleep(0.025)

GPIO.output(4,GPIO.LOW)

time.sleep(0.02)

GPIO.setup(4, GPIO.IN, pull_up_down=GPIO.PUD_UP)

for i in range(0,500):

data.append(GPIO.input(4))

bit_count = 0

tmp = 0

count = 0

HumidityBit = ""

TemperatureBit = ""

crc = ""

try:

while data[count] == 1:

tmp = 1

count = count + 1

for i in range(0, 32):

bit_count = 0

while data[count] == 0:

tmp = 1

count = count + 1

while data[count] == 1:

bit_count = bit_count + 1

count = count + 1

if bit_count > 3:

if i>=0 and i<8:

HumidityBit = HumidityBit + "1"

if i>=16 and i<24:

TemperatureBit = TemperatureBit + "1"

else:

if i>=0 and i<8:

HumidityBit = HumidityBit + "0"

if i>=16 and i<24:

TemperatureBit = TemperatureBit + "0"

except:

print "ERR_RANGE"

exit(0)

try:

for i in range(0, 8):

bit_count = 0

while data[count] == 0:

tmp = 1

count = count + 1

while data[count] == 1:

bit_count = bit_count + 1

count = count + 1

if bit_count > 3:

crc = crc + "1"

else:

crc = crc + "0"

except:

print "ERR_RANGE"

exit(0)

Humidity = bin2dec(HumidityBit)

Temperature = bin2dec(TemperatureBit)

if int(Humidity) + int(Temperature) - int(bin2dec(crc)) == 0:

print Humidity

print Temperature

else:

print "ERR_CRC"

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