{"id":484,"date":"2017-02-08T23:00:37","date_gmt":"2017-02-08T15:00:37","guid":{"rendered":"http:\/\/192.168.1.20\/?p=484"},"modified":"2017-02-08T23:25:04","modified_gmt":"2017-02-08T15:25:04","slug":"{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}e6{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}a0{47dd41ec6bdcbd9a214c783a3735392b82ea6d1d918378c5a53e0640702d813","status":"publish","type":"post","link":"http:\/\/alextop.top\/?p=484","title":{"rendered":"\u6811\u8393\u6d3e\u63a5DTH11\u6e29\u5ea6\u4f20\u611f\u5668"},"content":{"rendered":"

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\u6570\u636e\u662f\u8bfb\u51fa\u6765\u4e86\uff0c\u4f46\u662f\u6570\u636e\u8fd8\u662f\u4e0d\u5bf9\u52b2\u3002\u3002\u3002\u3002\u65f6\u597d\u65f6\u574f\uff0c\u59e8\u7236\u8bf4\u4e0a\u62c9\u7535\u963b\u8d8a\u5927\u8bfb\u53d6\u6570\u636e\u8d8a\u7a33\u5b9a\uff0c\u7136\u540e\u6211\u5c31\u628a\u677f\u5b50\u4e0a\u76841k\u7684\u8d34\u7247\u7535\u963b\u7ed9\u641e\u4e0b\u6765\u4e86\u3002\u6362\u4e86\u4e00\u4e2a5.1k\u7684\u7535\u963b\u7ed3\u679c\u6570\u636e\u8fd8\u662f\u8bfb\u9519\uff0c\u7136\u540e\u59e8\u7236\u8bf4\u627e\u5230\u4e86\u6bdb\u75c5\u6240\u5728\uff0c\u7ed3\u679c\u53c8\u6362\u4e86\u4e2a3.9k\u7684\u7535\u963b\uff0c\u6570\u636e\u4f9d\u7136\u4e0d\u662f100{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}\u6b63\u786e\uff0c\u7136\u540e\u59e8\u7236\u5efa\u8bae\u6211\u4ece\u7a0b\u5e8f\u65b9\u9762\u7740\u624b\uff0c\u5199\u4e00\u4e2a\u7ea0\u9519\u7684\u6570\u503c\u6bd4\u8f83\u5faa\u73af\uff0c\u6211\u5f53\u7136\u505a\u4e0d\u5230\u554a\uff0c\u6240\u4ee5\u6211\u5c31\u60f3\u7528for\u505a\u4e00\u4e2a\u6761\u4ef6\u5faa\u73af\uff0c\u7136\u540e\u683d\u5728range\u4e0a\uff0c\u6839\u672c\u641e\u4e0d\u61c2\u5728\u4e00\u4e2a\u6570\u96c6\u4e2d\u9009\u6570\u4ec0\u4e48\u4ec0\u4e48\u7684\uff0c\u6700\u540e\u9009\u7528\u4e86while\u7684\u65e0\u9650\u5faa\u73af\u548cif\u3001elif\u3001else\u505a\u8fdb\u4e00\u6b65\u7684\u5224\u65ad\u548c\u51b3\u5b9abreak\u7684\u65f6\u673a\uff0c\u6700\u540e\u6211\u6210\u529f\u4e86\uff01\u4e3a\u4e86\u4fdd\u9669\u548c\u4f20\u611f\u5668\u9884\u70ed\uff08\u4e0d\u77e5\u9053\u9884\u70ed\u662f\u4ec0\u4e48\u9b3c\u3002\u3002\u81ea\u5df1\u778e\u7f16\u7684\uff09\uff0c\u6211\u5728\u5faa\u73af\u524d\u9762\u5148\u6267\u884c\u4e00\u904d\u7a0b\u5e8f\u3002<\/p>\n

\u4eceue\u4e0a\u76f4\u63a5\u7c98\u8d34\u5230word\u4e0a\u7684\u683c\u5f0f\u53ef\u80fd\u4f1a\u9b3c\u755c\u5927\u5bb6\u89c1\u8c05<\/p>\n

\u4e0b\u8f7d\u94fe\u63a5\uff1a\u771f\u6b63\u7684\u81ea\u7f16DTH11\u5e26\u7ea0\u9519<\/a><\/p>\n

 <\/p>\n

#!\/usr\/bin\/python<\/p>\n

import RPi.GPIO as GPIO<\/p>\n

import time<\/p>\n

channel =12<\/p>\n

data = []<\/p>\n

j = 0<\/p>\n

GPIO.setmode(GPIO.BOARD)<\/p>\n

time.sleep(2)<\/p>\n

GPIO.setup(channel, GPIO.OUT)<\/p>\n

GPIO.output(channel, GPIO.LOW)<\/p>\n

time.sleep(0.02)<\/p>\n

GPIO.output(channel, GPIO.HIGH)<\/p>\n

GPIO.setup(channel, GPIO.IN)<\/p>\n

while GPIO.input(channel) == GPIO.LOW:<\/p>\n

continue<\/p>\n

while GPIO.input(channel) == GPIO.HIGH:<\/p>\n

continue<\/p>\n

while j < 40:<\/p>\n

k = 0<\/p>\n

while GPIO.input(channel) == GPIO.LOW:<\/p>\n

continue<\/p>\n

while GPIO.input(channel) == GPIO.HIGH:<\/p>\n

k += 1<\/p>\n

if k > 100:<\/p>\n

break<\/p>\n

if k < 8:<\/p>\n

data.append(0)<\/p>\n

else:<\/p>\n

data.append(1)<\/p>\n

j += 1<\/p>\n

print “\u4f20\u611f\u5668\u5de5\u4f5c\u4e2d”<\/p>\n

humidity_bit = data[0:8]<\/p>\n

humidity_point_bit = data[8:16]<\/p>\n

temperature_bit = data[16:24]<\/p>\n

temperature_point_bit = data[24:32]<\/p>\n

check_bit = data[32:40]<\/p>\n

humidity = 0<\/p>\n

humidity_point = 0<\/p>\n

temperature = 0<\/p>\n

temperature_point = 0<\/p>\n

check = 0<\/p>\n

for i in range(8):<\/p>\n

humidity += humidity_bit[i] * 2 ** (7-i)<\/p>\n

humidity_point += humidity_point_bit[i] * 2 ** (7-i)<\/p>\n

temperature += temperature_bit[i] * 2 ** (7-i)<\/p>\n

temperature_point += temperature_point_bit[i] * 2 ** (7-i)<\/p>\n

check += check_bit[i] * 2 ** (7-i)<\/p>\n

tmp = humidity + humidity_point + temperature + temperature_point<\/p>\n

var = 1<\/p>\n

while var == 1:<\/p>\n

GPIO.setmode(GPIO.BOARD)<\/p>\n

channel =12<\/p>\n

data = []<\/p>\n

j = 0<\/p>\n

time.sleep(2)<\/p>\n

GPIO.setup(channel, GPIO.OUT)<\/p>\n

GPIO.output(channel, GPIO.LOW)<\/p>\n

time.sleep(0.025)<\/p>\n

GPIO.output(channel, GPIO.HIGH)<\/p>\n

GPIO.setup(channel, GPIO.IN)<\/p>\n

while GPIO.input(channel) == GPIO.LOW:<\/p>\n

continue<\/p>\n

while GPIO.input(channel) == GPIO.HIGH:<\/p>\n

continue<\/p>\n

while j < 40:<\/p>\n

k = 0<\/p>\n

while GPIO.input(channel) == GPIO.LOW:<\/p>\n

continue<\/p>\n

while GPIO.input(channel) == GPIO.HIGH:<\/p>\n

k += 1<\/p>\n

if k > 100:<\/p>\n

break<\/p>\n

if k < 8:<\/p>\n

data.append(0)<\/p>\n

else:<\/p>\n

data.append(1)<\/p>\n

j += 1<\/p>\n

print” ”<\/p>\n

humidity_bit = data[0:8]<\/p>\n

humidity_point_bit = data[8:16]<\/p>\n

temperature_bit = data[16:24]<\/p>\n

temperature_point_bit = data[24:32]<\/p>\n

check_bit = data[32:40]<\/p>\n

humidity = 0<\/p>\n

humidity_point = 0<\/p>\n

temperature = 0<\/p>\n

temperature_point = 0<\/p>\n

check = 0<\/p>\n

for i in range(8):<\/p>\n

humidity += humidity_bit[i] * 2 ** (7 – i)<\/p>\n

humidity_point += humidity_point_bit[i] * 2 ** (7 – i)<\/p>\n

temperature += temperature_bit[i] * 2 ** (7 – i)<\/p>\n

temperature_point += temperature_point_bit[i] * 2 ** (7 – i)<\/p>\n

check += check_bit[i] * 2 ** (7 – i)<\/p>\n

tmp = humidity + humidity_point + temperature + temperature_point<\/p>\n

if temperature < 100:<\/p>\n

print”\u6e29\u5ea6\u6b63\u786e”<\/p>\n

#elif humidity < 150:<\/p>\n

print”\u6e7f\u5ea6\u6b63\u786e”<\/p>\n

print “\u6e29\u5ea6 :”, temperature, “*C, \u6e7f\u5ea6 :”, humidity, “{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}”<\/p>\n

break<\/p>\n

else:<\/p>\n

print”\u6570\u636e\u9519\u8bef\uff01\u91cd\u65b0\u8bfb\u53d6”<\/p>\n

GPIO.cleanup()<\/p>\n","protected":false},"excerpt":{"rendered":"

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