“Weather:bit”的版本间的差异

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第1行： 第1行：
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[[文件:Weather bit.png|350px|缩略图|右]]
+
[[file:Weather bit.png|350px|缩略图|右]]
−
=== 概述===
+
== 概述==
−
该套件以micro:bit为主控，拓展建立一个微型气象站。Weather:bit内集成环境传感器可测量气压、 气温、相对湿度。<br />
+
该套件以micro:bit为主控，拓展建立一个微型气象站。Weather:bit内集成环境传感器可测量气压、 气温、相对湿度。可外接风速、风向计和雨量计、土壤湿度传感器、防水温度传感器。
−
可外接风速、风向计和雨量计、土壤湿度传感器、防水温度传感器。
 
  
−
 
+
== 技术参数==
−
=== 技术参数===
 
 
* 压力传感器：±0.25％（在400m高度变化时相当于1m）
 
* 压力传感器：±0.25％（在400m高度变化时相当于1m）
 
* 湿度传感器：±3％相对湿度
 
* 湿度传感器：±3％相对湿度
 
* 操作范围（全精度）：压力：300-1100 hPa 、温度：-40-85°C
 
* 操作范围（全精度）：压力：300-1100 hPa 、温度：-40-85°C
  
−
=== 示例===
+
== 气象站场景 ==
 +
=== 气象站套件清单 ===
 +
# weather:bit扩展板（板载气压、温度、湿度传感器）
 +
# micro:bit主板 x2
 +
# extend:bitⅡ
 +
# 风速、风向、降雨量采集器（含支架）
 +
# blue:bit-土壤湿度
 +
# blue:bit-音乐播放
 +
# blue:bit-LED
 +
# NTC温度探头(10K)
 +
# 32x16 RGB LED 点阵屏
 +
 
 +
=== 气象站场景连接示意图 ===
 +
<br/>
 +
{| align="center"
 +
|-
 +
| [[file:Weatherbit conect.png|1100px|无框]]
 +
|-
 +
| style="text-align:center"|'''weather:bit连接示意图'''
 +
|}
 +
=== 程序 ===
 +
<big>weather:bit气象站实时接收气象数据（风速、风向、降雨量、土壤湿度、土壤温度、大气压强、气温、空气湿度），并利用microbit无线传输将气象数据显示在32x16全彩点阵屏</big>上<br />
 +
<br />
 +
[http://wiki.labplus.cn/index.php?title=Micro:bit%E7%BC%96%E7%A8%8B%E5%BF%AB%E9%80%9F%E5%85%A5%E9%97%A8 <big>教程：microbit怎么编程下载？</big>] <br/>
 +
[http://wiki.labplus.cn/images/9/98/Weatherbit_example.zip <big>weatherbit程序下载</big> ]
 +
*<big> 气象站端micro:bit数据采集程序</big>
 +
<pre style="color:blue">
 +
from microbit import *
 +
import struct
 +
import math
 +
import radio
 +
T1=T2=T3=P1=P2=P3=P4=P5=P6=P7=P8=P9=H1=H2=H3=H4=H5=H6=tF=1
 +
tCnt=tCnt1=wScnt=rAcnt=wsBefore=raBefore=0
 +
 
 +
def BME280Init():
 +
    global T1,T2,T3,H1,H2,H3,H4,H5,H6,tF
 +
    global P1,P2,P3,P4,P5,P6,P7,P8,P9
 +
    i2c.write(0x76, bytearray([0xF2, 0x01]))
 +
    i2c.write(0x76, bytearray([0xF4, 0x27]))
 +
    i2c.write(0x76, bytearray([0xF5, 0]))
 +
   
 +
    i2c.write(0x76, bytearray([0x88]))
 +
    T = i2c.read(0x76, 24)
 +
    T1 = (T[1]<<8) | T[0]   
 +
    T2 = cvt2int16(T[3],T[2])
 +
    T3 = cvt2int16(T[5],T[4])
 +
    P1 = T[6] | (T[7]<<8)   
 +
    P2 = cvt2int16(T[9],T[8])     
 +
    P3 = cvt2int16(T[11],T[10]) 
 +
    P4 = cvt2int16(T[13],T[12])     
 +
    P5 = cvt2int16(T[15],T[14])   
 +
    P6 = cvt2int16(T[17],T[16]) 
 +
    P7 = cvt2int16(T[19],T[18]) 
 +
    P8 = cvt2int16(T[21],T[20]) 
 +
    P9 = cvt2int16(T[23],T[22]) 
 +
    i2c.write(0x76, bytearray([0xA1]))
 +
    tmp = i2c.read(0x76, 1)   
 +
    H1 = tmp[0]
 +
    i2c.write(0x76, bytearray([0xE1]))
 +
    H = i2c.read(0x76, 7)
 +
    H2 = cvt2int16(H[1],H[0])
 +
    H3 = H[2]
 +
    H4 = struct.unpack("h", struct.pack("H",(H[3]<<4)|(H[4]&0xf)))[0]
 +
    H5 = struct.unpack("h", struct.pack("H",(H[5]<<4)|(H[4]>>4)))[0]
 +
    H6 = H[6]
 +
    getTemp()
 +
    tCnt = tCnt1 = running_time()
 +
 
 +
def getTemp():
 +
    global tF,T1,T2,T3
 +
    i2c.write(0x76, bytearray([0xFA]))
 +
    tmp = i2c.read(0x76, 3)
 +
    T = (((tmp[0]<<8)|tmp[1])<<4)|(tmp[2]>>4)
 +
    tmp1 = ((T >> 4) - T1)
 +
    c1 = (((T >> 3) - (T1 << 1)) * T2) >> 11
 +
    c2 = (((tmp1*tmp1) >> 12) * T3) >> 14
 +
    tF = c1+c2
 +
    return ((tF * 5 + 128) >> 8)
 +
 
 +
def getHumidity():
 +
    global H1,H2,H3,H4,H5,H6,tF
 +
    i2c.write(0x76, bytearray([0xFD]))
 +
    tmp=i2c.read(0x76, 2)
 +
    h=(tmp[0]<<8)|tmp[1]
 +
    hum = tF - 76800
 +
    tmp = (((h<<14)-(H4<<20)-(H5*hum))+16384)>>15
 +
    tmp1 =((((hum*H6)>>10)*(((hum*H3)>>11)+32768))>>10)+2097152
 +
    tmp1 = (tmp1*H2+8192)>>14
 +
    var1 = tmp*tmp1
 +
    hum1 = var1 - (((var1 >> 15) * (var1 >> 15)) >> 7) * (H1 >> 4)
 +
    if hum1<0:
 +
        hum1=0
 +
    if hum1>419430400:
 +
        hum1=419430400
 +
    return (hum1>>12)//100
 +
   
 +
def getPressure():
 +
    global P1,P2,P3,P4,P5,P6,P7,P8,P9,tF
 +
    i2c.write(0x76, bytearray([0xF7]))
 +
    tmp = i2c.read(0x76, 3)
 +
    P = (((tmp[0]<<8)|tmp[1])<<4)|(tmp[2]>>4)
 +
    var1 = tF - 128000
 +
    var2 = var1 * var1 * P6
 +
    var2 = var2 + ((var1 * P5)<<17)
 +
    var2 = var2 + (P4<<35)
 +
    var1 = ((var1 * var1 * P3)>>8) + ((var1 * P2)<<12)
 +
    var1 = ((((1<<47)+var1))*P1)>>33
 +
    if (var1 == 0):
 +
        return 0
 +
    p_acc = 1048576 - P
 +
    p_acc = int((((p_acc<<31) - var2)*3125)/var1)
 +
    var1 = (P9 * (p_acc>>13) * (p_acc>>13)) >> 25
 +
    var2 = (P8 * p_acc) >> 19;
 +
    p_acc = ((p_acc + var1 + var2) >> 8) + (P7<<4)
 +
    return (p_acc>>8)//100
 +
 
 +
def cvt2int16(d1,d2):
 +
    d = (d1<<8) | d2
 +
    return struct.unpack("h", struct.pack("H",d))[0]
 +
 
 +
BME280Init()
 +
display.off()
 +
pin13.read_digital()
 +
pin13.set_pull(pin13.PULL_UP)
 +
pin8.read_digital()
 +
pin8.set_pull(pin8.PULL_UP)
 +
radio.config(length=32, queue=3, channel=7, power=0, data_rate=radio.RATE_1MBIT)
 +
radio.on()
 +
while True:
 +
    s = struct.pack("h", getTemp())
 +
    s = s+struct.pack("h", getHumidity())
 +
    s = s+struct.pack("h", getPressure())
 +
    if (wsBefore != pin8.read_digital()):
 +
        wScnt += 1
 +
        #print(wScnt)
 +
        wsBefore = pin8.read_digital()     
 +
    if (raBefore != pin13.read_digital()):
 +
        rAcnt += 1
 +
        raBefore = pin13.read_digital()
 +
    if ((running_time()-tCnt)>10000):
 +
        s = s+struct.pack("H", pin1.read_analog())
 +
        s = s+struct.pack("H", pin2.read_analog())
 +
        pin16.write_digital(1)
 +
        sleep(10)
 +
        #print(pin0.read_analog())
 +
        s = s+struct.pack("H", pin0.read_analog())
 +
        pin16.write_digital(0)
 +
        s = s+struct.pack("H", wScnt)
 +
        s = s+struct.pack("H", rAcnt)
 +
        radio.send_bytes(s)
 +
        #print(s)
 +
        wScnt = 0
 +
        tCnt = running_time()
 +
    if ((running_time()-tCnt1)>86400000):
 +
        rAcnt = 0
 +
        tCnt1 = runing_time()
 +
</pre>
 +
<br />
 +
<br />
 +
 
 +
* <big>点阵屏microbit端数据显示程序</big>
 +
<pre style="color:blue">
 +
from microbit import *
 +
import struct
 +
import radio
 +
import math
 +
tCnt = 0
 +
beginFlag = 1
 +
 
 +
def MP3CmdWrite(cmd):
 +
    sum = 0
 +
    for i in range(0,6):
 +
        sum += cmd[i]
 +
sum1 = ((0xFFFF - sum) + 1)
 +
    sum_l = sum1 & 0xff
 +
    sum_h = sum1 >> 8
 +
 +
    uart.write(bytearray([0x7E]))
 +
    uart.write(cmd)
 +
    uart.write(bytearray([sum_h]))
 +
    uart.write(bytearray([sum_l]))
 +
    uart.write(bytearray([0xEF]))
 +
    sleep(20)
 +
 
 +
def MP3Play(num):
 +
    var = bytearray([0xFF,0x06,0x03,0x01,0x00,num])
 +
    MP3CmdWrite(var)
 +
 
 +
def MP3Volume(vol):
 +
    var = bytearray([0xFF,0x06,0x06,0x00,0x00,vol])
 +
    MP3CmdWrite(var)
 +
 
 +
pin8.write_digital(0)
 +
radio.config(length=32, queue=3, channel=7, power=0, data_rate=radio.RATE_1MBIT)
 +
radio.on()
 +
uart.init(baudrate=9600, bits=8, parity=None, stop=1, tx=pin0, rx=pin1)
 +
MP3Volume(28)
 +
sleep(4000)
 +
MP3Play(1)
 +
uart.init(baudrate=115200, bits=8, parity=None, stop=1, tx=pin14, rx=pin15)
 +
tCnt = running_time()
 +
while True:
 +
    tmp = radio.receive_bytes()
 +
    if (tmp!=None):
 +
        #print(tmp)
 +
        aT = (struct.unpack('h',struct.pack('h',(tmp[1]<<8)|tmp[0]))[0])/100
 +
        aH = (struct.unpack('h',struct.pack('h',(tmp[3]<<8)|tmp[2]))[0])/10.24
 +
        aP = (struct.unpack('h',struct.pack('h',(tmp[5]<<8)|tmp[4]))[0])/10
 +
        wd = (struct.unpack('h',struct.pack('h',(tmp[7]<<8)|tmp[6]))[0])
 +
        if (wd < 906 and wd > 886):
 +
            wD =  '北风'
 +
        elif (wd < 712 and wd > 692):
 +
            wD = '东北风'
 +
        elif (wd < 415 and wd > 395):
 +
            wD = '东风'
 +
        elif (wd < 498 and wd > 478):
 +
          wD = '东南风'
 +
        elif (wd < 584 and wd > 564):
 +
            wD = '南风'
 +
        elif (wd < 819 and wd > 799):
 +
            wD = '西南风'
 +
        elif (wd < 988 and wd > 968):
 +
            wD = '西风'
 +
        elif (wd < 959 and wd > 939):
 +
            wD = '西北风'
 +
        else:
 +
            wD =  '???'
 +
        sT = (struct.unpack('h',struct.pack('h',(tmp[9]<<8)|tmp[8]))[0])
 +
        sT = 1/(math.log(1024/sT-1)/3935+1/298)-273
 +
        sO = (struct.unpack('h',struct.pack('h',(tmp[11]<<8)|tmp[10]))[0])
 +
        wS = (struct.unpack('h',struct.pack('h',(tmp[13]<<8)|tmp[12]))[0])//30
 +
        rA = (struct.unpack('h',struct.pack('h',(tmp[15]<<8)|tmp[14]))[0])*0.14
 +
        pin8.write_digital(1)
 +
        sleep(500)
 +
        pin8.write_digital(0)
 +
        if (running_time()-tCnt)>60000 or beginFlag == 1:
 +
            tCnt = running_time()
 +
            beginFlag = 0
 +
            s = "@3温度:%.1f℃ 湿度:%.1f%% 气压:%.1fkPa 土壤湿度:%d 土壤温度:%.1f℃ 风速: %d级 风向: %s 降雨量: %dmm.\r\n"%(aT,aH,aP,sO,sT,wS,wD,rA)
 +
            print(s)
 +
</pre>
 +
 
 +
== 版本历史记录 ==
 +
 
 +
{|  border="1" cellspacing="0" align="left" cellpadding="0" width="60%" style="text-align:center;"
 +
|- style="text-align:center;background-color:#6fa8dc;color:#fffff;"
 +
!width="10%"|Version !!width="15%"| Date !! Note  <small>[+]新增[-]删除[^]修复</small>
 +
|-
 +
| V1.3 ||2018/04/24 || style="text-align:left"| 修改I2C接口引脚排序
 +
|}

2018年5月8日 (二) 11:09的最新版本

Weather bit.png

概述

该套件以micro:bit为主控，拓展建立一个微型气象站。Weather:bit内集成环境传感器可测量气压、 气温、相对湿度。可外接风速、风向计和雨量计、土壤湿度传感器、防水温度传感器。

技术参数

  • 压力传感器：±0.25％（在400m高度变化时相当于1m）
  • 湿度传感器：±3％相对湿度
  • 操作范围（全精度）：压力：300-1100 hPa 、温度：-40-85°C

气象站场景

气象站套件清单

  1. weather:bit扩展板（板载气压、温度、湿度传感器）
  2. micro:bit主板 x2
  3. extend:bitⅡ
  4. 风速、风向、降雨量采集器（含支架）
  5. blue:bit-土壤湿度
  6. blue:bit-音乐播放
  7. blue:bit-LED
  8. NTC温度探头(10K)
  9. 32x16 RGB LED 点阵屏

气象站场景连接示意图


Weatherbit conect.png
weather:bit连接示意图

程序

weather:bit气象站实时接收气象数据（风速、风向、降雨量、土壤湿度、土壤温度、大气压强、气温、空气湿度），并利用microbit无线传输将气象数据显示在32x16全彩点阵屏上

教程：microbit怎么编程下载？
weatherbit程序下载

  • 气象站端micro:bit数据采集程序
from microbit import *
import struct
import math
import radio
T1=T2=T3=P1=P2=P3=P4=P5=P6=P7=P8=P9=H1=H2=H3=H4=H5=H6=tF=1
tCnt=tCnt1=wScnt=rAcnt=wsBefore=raBefore=0

def BME280Init():
    global T1,T2,T3,H1,H2,H3,H4,H5,H6,tF
    global P1,P2,P3,P4,P5,P6,P7,P8,P9
    i2c.write(0x76, bytearray([0xF2, 0x01]))
    i2c.write(0x76, bytearray([0xF4, 0x27]))
    i2c.write(0x76, bytearray([0xF5, 0]))
    
    i2c.write(0x76, bytearray([0x88]))
    T = i2c.read(0x76, 24)
    T1 = (T[1]<<8) | T[0]    
    T2 = cvt2int16(T[3],T[2])
    T3 = cvt2int16(T[5],T[4])
    P1 = T[6] | (T[7]<<8)    
    P2 = cvt2int16(T[9],T[8])      
    P3 = cvt2int16(T[11],T[10])  
    P4 = cvt2int16(T[13],T[12])      
    P5 = cvt2int16(T[15],T[14])     
    P6 = cvt2int16(T[17],T[16])   
    P7 = cvt2int16(T[19],T[18])  
    P8 = cvt2int16(T[21],T[20])   
    P9 = cvt2int16(T[23],T[22])  
    i2c.write(0x76, bytearray([0xA1]))
    tmp = i2c.read(0x76, 1)    
    H1 = tmp[0]
    i2c.write(0x76, bytearray([0xE1]))
    H = i2c.read(0x76, 7)
    H2 = cvt2int16(H[1],H[0])
    H3 = H[2]
    H4 = struct.unpack("h", struct.pack("H",(H[3]<<4)|(H[4]&0xf)))[0]
    H5 = struct.unpack("h", struct.pack("H",(H[5]<<4)|(H[4]>>4)))[0]
    H6 = H[6]
    getTemp()
    tCnt = tCnt1 = running_time()

def getTemp():
    global tF,T1,T2,T3
    i2c.write(0x76, bytearray([0xFA]))
    tmp = i2c.read(0x76, 3) 
    T = (((tmp[0]<<8)|tmp[1])<<4)|(tmp[2]>>4)
    tmp1 = ((T >> 4) - T1)
    c1 = (((T >> 3) - (T1 << 1)) * T2) >> 11
    c2 = (((tmp1*tmp1) >> 12) * T3) >> 14
    tF = c1+c2
    return ((tF * 5 + 128) >> 8)

def getHumidity():
    global H1,H2,H3,H4,H5,H6,tF
    i2c.write(0x76, bytearray([0xFD]))
    tmp=i2c.read(0x76, 2)
    h=(tmp[0]<<8)|tmp[1]
    hum = tF - 76800
    tmp = (((h<<14)-(H4<<20)-(H5*hum))+16384)>>15
    tmp1 =((((hum*H6)>>10)*(((hum*H3)>>11)+32768))>>10)+2097152
    tmp1 = (tmp1*H2+8192)>>14
    var1 = tmp*tmp1
    hum1 = var1 - (((var1 >> 15) * (var1 >> 15)) >> 7) * (H1 >> 4)
    if hum1<0:
        hum1=0
    if hum1>419430400:
        hum1=419430400
    return (hum1>>12)//100
    
def getPressure():
    global P1,P2,P3,P4,P5,P6,P7,P8,P9,tF
    i2c.write(0x76, bytearray([0xF7]))
    tmp = i2c.read(0x76, 3) 
    P = (((tmp[0]<<8)|tmp[1])<<4)|(tmp[2]>>4)
    var1 = tF - 128000
    var2 = var1 * var1 * P6
    var2 = var2 + ((var1 * P5)<<17)
    var2 = var2 + (P4<<35)
    var1 = ((var1 * var1 * P3)>>8) + ((var1 * P2)<<12)
    var1 = ((((1<<47)+var1))*P1)>>33
    if (var1 == 0):
        return 0
    p_acc = 1048576 - P
    p_acc = int((((p_acc<<31) - var2)*3125)/var1)
    var1 = (P9 * (p_acc>>13) * (p_acc>>13)) >> 25
    var2 = (P8 * p_acc) >> 19;
    p_acc = ((p_acc + var1 + var2) >> 8) + (P7<<4)
    return (p_acc>>8)//100

def cvt2int16(d1,d2):
    d = (d1<<8) | d2
    return struct.unpack("h", struct.pack("H",d))[0]

BME280Init()
display.off()
pin13.read_digital()
pin13.set_pull(pin13.PULL_UP)
pin8.read_digital()
pin8.set_pull(pin8.PULL_UP)
radio.config(length=32, queue=3, channel=7, power=0, data_rate=radio.RATE_1MBIT)
radio.on()
while True:
    s = struct.pack("h", getTemp()) 
    s = s+struct.pack("h", getHumidity())
    s = s+struct.pack("h", getPressure())
    if (wsBefore != pin8.read_digital()):
        wScnt += 1
        #print(wScnt)
        wsBefore = pin8.read_digital()      
    if (raBefore != pin13.read_digital()):
        rAcnt += 1
        raBefore = pin13.read_digital()
    if ((running_time()-tCnt)>10000):
        s = s+struct.pack("H", pin1.read_analog())
        s = s+struct.pack("H", pin2.read_analog())
        pin16.write_digital(1)
        sleep(10)
        #print(pin0.read_analog())
        s = s+struct.pack("H", pin0.read_analog())
        pin16.write_digital(0)
        s = s+struct.pack("H", wScnt)
        s = s+struct.pack("H", rAcnt)
        radio.send_bytes(s)
        #print(s)
        wScnt = 0
        tCnt = running_time()
    if ((running_time()-tCnt1)>86400000):
        rAcnt = 0
        tCnt1 = runing_time()



  • 点阵屏microbit端数据显示程序
from microbit import *
import struct
import radio
import math
tCnt = 0
beginFlag = 1

def MP3CmdWrite(cmd):
    sum = 0
    for i in range(0,6):
        sum += cmd[i]
	sum1 = ((0xFFFF - sum) + 1)
    sum_l = sum1 & 0xff
    sum_h = sum1 >> 8
	
    uart.write(bytearray([0x7E]))
    uart.write(cmd)
    uart.write(bytearray([sum_h]))
    uart.write(bytearray([sum_l]))
    uart.write(bytearray([0xEF]))
    sleep(20)

def MP3Play(num):
    var = bytearray([0xFF,0x06,0x03,0x01,0x00,num])
    MP3CmdWrite(var)

def MP3Volume(vol):
    var = bytearray([0xFF,0x06,0x06,0x00,0x00,vol])
    MP3CmdWrite(var)

pin8.write_digital(0)
radio.config(length=32, queue=3, channel=7, power=0, data_rate=radio.RATE_1MBIT)
radio.on()
uart.init(baudrate=9600, bits=8, parity=None, stop=1, tx=pin0, rx=pin1)
MP3Volume(28)
sleep(4000)
MP3Play(1)
uart.init(baudrate=115200, bits=8, parity=None, stop=1, tx=pin14, rx=pin15)
tCnt = running_time()
while True:
    tmp = radio.receive_bytes()
    if (tmp!=None):
        #print(tmp)
        aT = (struct.unpack('h',struct.pack('h',(tmp[1]<<8)|tmp[0]))[0])/100
        aH = (struct.unpack('h',struct.pack('h',(tmp[3]<<8)|tmp[2]))[0])/10.24
        aP = (struct.unpack('h',struct.pack('h',(tmp[5]<<8)|tmp[4]))[0])/10
        wd = (struct.unpack('h',struct.pack('h',(tmp[7]<<8)|tmp[6]))[0])
        if (wd < 906 and wd > 886):
            wD =  '北风'
        elif (wd < 712 and wd > 692):
            wD = '东北风'
        elif (wd < 415 and wd > 395):
            wD = '东风'
        elif (wd < 498 and wd > 478):
           wD = '东南风'
        elif (wd < 584 and wd > 564):
            wD = '南风'
        elif (wd < 819 and wd > 799):
            wD = '西南风'
        elif (wd < 988 and wd > 968):
            wD = '西风'
        elif (wd < 959 and wd > 939):
            wD = '西北风'
        else:
            wD =  '???'
        sT = (struct.unpack('h',struct.pack('h',(tmp[9]<<8)|tmp[8]))[0])
        sT = 1/(math.log(1024/sT-1)/3935+1/298)-273
        sO = (struct.unpack('h',struct.pack('h',(tmp[11]<<8)|tmp[10]))[0])
        wS = (struct.unpack('h',struct.pack('h',(tmp[13]<<8)|tmp[12]))[0])//30
        rA = (struct.unpack('h',struct.pack('h',(tmp[15]<<8)|tmp[14]))[0])*0.14
        pin8.write_digital(1)
        sleep(500)
        pin8.write_digital(0)
        if (running_time()-tCnt)>60000 or beginFlag == 1:
            tCnt = running_time()
            beginFlag = 0
            s = "@3温度:%.1f℃ 湿度:%.1f%% 气压:%.1fkPa 土壤湿度:%d 土壤温度:%.1f℃ 风速: %d级 风向: %s 降雨量: %dmm.\r\n"%(aT,aH,aP,sO,sT,wS,wD,rA)
            print(s)

版本历史记录

Version Date Note [+]新增[-]删除[^]修复
V1.3 2018/04/24 修改I2C接口引脚排序
取自“http://wiki.labplus.cn/index.php?title=Weather:bit&oldid=2845”