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基于Ardunio的DHT22車(chē)內(nèi)環(huán)境監(jiān)測(cè)程序

    

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ID:137145
發(fā)表于 2017-12-19 21:32
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基于Ardunio的車(chē)內(nèi)環(huán)境監(jiān)測(cè)
    

    
單片機(jī)源程序如下:
    

    1. #include <DHT22.h>
      

    2. // Only used for sprintf
      

    3. #include <stdio.h>
      

    4. #define Aout A1
      

    5. int led = 2;
      

    6. int temp = 0; 
      

    7. // Data wire is plugged into port 7 on the Arduino
      

    8. // Connect a 4.7K resistor between VCC and the data pin (strong pullup)
      

    9. #define DHT22_PIN 7
      

    10. // Setup a DHT22 instance
      

    11. DHT22 myDHT22(DHT22_PIN);
      

    12. int dustPin=A0;
      

    13. double dustVal=0;
      

    14. int ledPower=22;
      

    15. int delayTime=280;
      

    16. int delayTime2=40;
      

    17. int offTime=9680; 
      

    18. double getOutputV() {
      

    19. digitalWrite(ledPower,LOW); 
      

    20. delayMicroseconds(delayTime);
      

    21. dustVal=analogRead(dustPin); 
      

    22. delayMicroseconds(delayTime2);
      

    23. digitalWrite(ledPower,HIGH); 
      

    24. delayMicroseconds(offTime);
      

    25.   //Arduino模擬量讀取值的范圍為0~1023,以下?lián)Q算為0~5v
      

    26. double outputV = dustVal / 1024 * 5;
      

    27.  return outputV;
      

    28. }
      


    29. 

    30. /**
      

    31.    根據(jù)輸出電壓計(jì)算灰塵密度
      

    32. */
      

    33. double getDustDensity(double outputV) {
      

    34.   //輸出電壓和灰塵密度換算公式: ug/m3 = (V - 0.9) / 5 * 1000
      

    35.   double ugm3 = abs((outputV - 0.9) / 5 * 1000);
      

    36.   //去除檢測(cè)不到的范圍
      

    37.    return ugm3;
      

    38. }
      


    39. 

    40. /**
      

    41.    根據(jù)灰塵密度計(jì)算AQI
      

    42.    環(huán)境空氣質(zhì)量指數(shù)（AQI）技術(shù)規(guī)定（試行）](http://kjs.mep.gov.cn/hjbhbz/bzwb/dqhjbh/jcgfffbz/201203/t20120302_224166.htm
      

    43. */
      

    44. double getAQI(double ugm3) {
      

    45.   double aqiL = 0;
      

    46.   double aqiH = 0;
      

    47.   double bpL = 0;
      

    48.   double bpH = 0;
      

    49.   double aqi = 0;
      

    50.   //根據(jù)pm2.5和aqi對(duì)應(yīng)關(guān)系分別計(jì)算aqi
      

    51.   if (ugm3 >= 0 && ugm3 <= 35) {
      

    52.     aqiL = 0;
      

    53.     aqiH = 50;
      

    54.     bpL = 0;
      

    55.     bpH = 35;
      

    56.   } else if (ugm3 > 35 && ugm3 <= 75) {
      

    57.     aqiL = 50;
      

    58.     aqiH = 100;
      

    59.     bpL = 35;
      

    60.     bpH = 75;
      

    61.   } else if (ugm3 > 75 && ugm3 <= 115) {
      

    62.     aqiL = 100;
      

    63.     aqiH = 150;
      

    64.     bpL = 75;
      

    65.     bpH = 115;
      

    66.   } else if (ugm3 > 115 && ugm3 <= 150) {
      

    67.     aqiL = 150;
      

    68.     aqiH = 200;
      

    69.     bpL = 115;
      

    70.     bpH = 150;
      

    71.   } else if (ugm3 > 150 && ugm3 <= 250) {
      

    72.     aqiL = 200;
      

    73.     aqiH = 300;
      

    74.     bpL = 150;
      

    75.     bpH = 250;
      

    76.   } else if (ugm3 > 250 && ugm3 <= 350) {
      

    77.     aqiL = 300;
      

    78.     aqiH = 400;
      

    79.     bpL = 250;
      

    80.     bpH = 350;
      

    81.   } else if (ugm3 > 350) {
      

    82.     aqiL = 400;
      

    83.     aqiH = 500;
      

    84.     bpL = 350;
      

    85.     bpH = 500;
      

    86.   }
      

    87.   //公式aqi = (aqiH - aqiL) / (bpH - bpL) * (desity - bpL) + aqiL;
      

    88.   aqi = (aqiH - aqiL) / (bpH - bpL) * (ugm3 - bpL) + aqiL;
      

    89.   return aqi;
      

    90. }
      


    91. 

    92. /**
      

    93.    根據(jù)aqi獲取級(jí)別描述
      

    94. */
      

    95. String getGradeInfo(double aqi) {
      

    96.   String gradeInfo;
      

    97.   if (aqi >= 0 && aqi <= 50) {
      

    98.     gradeInfo = String("Perfect");
      

    99.   } else if (aqi > 50 && aqi <= 100) {
      

    100.     gradeInfo = String("Good");
      

    101.   } else if (aqi > 100 && aqi <= 150) {
      

    102.     gradeInfo = String("Mild polluted");
      

    103.   } else if (aqi > 150 && aqi <= 200) {
      

    104.     gradeInfo = String("Medium polluted");
      

    105.   } else if (aqi > 200 && aqi <= 300) {
      

    106.     gradeInfo = String("Heavily polluted");
      

    107.   } else if (aqi > 300 && aqi <= 500) {
      

    108.     gradeInfo = String("Severely polluted");
      

    109.   } else {
      

    110.     gradeInfo = String("Broken roof!!!");
      

    111.   }
      

    112.   return gradeInfo;
      

    113. }
      

    114. /*
      

    115. LCD  Arduino
      

    116.  PIN1 = GND
      

    117.  PIN2 = 5V
      

    118.  RS(CS) = 8; 
      

    119.  RW(SID)= 9; 
      

    120.  EN(CLK) = 3;
      

    121.  PIN15 PSB = GND;
      

    122.  */
      

    123.  #include "LCD12864RSPI.h"
      

    124. #define AR_SIZE( a ) sizeof( a ) / sizeof( a[0] )
      

    125.  unsigned  char msg1[]={0xCA, 0xAA,0xB6, 0xC8}; //濕度
      

    126.  unsigned char msg2[]={ 0xCE, 0xC2, 0xB6, 0xC8};  //溫度
      

    127.  unsigned char msg3[]={ 0xD3, 0xD0, 0xBA, 0xA6,0xC6,0xF8,0xCC,0xE5,0xC5,0xA8,0xB6,0xC8,0xB9,
      

    128.       0xFD,0xB8,0xDF}; 
      

    129.   unsigned char msg4[]={ 0xC7, 0xEB, 0xB1, 0xA3,0xB3,0xD6,0xBF,0xD5,0xC6,0xF8,0xB3,0xA9,0xCD,
      

    130.       0xA8,0xBB, 0xF2,};
      

    131.   unsigned char msg5[]={ 0xBD, 0xF8,0xD0,0xD0,0xB7,0xC0,0xBB,0xA4}; 
      

    132.  unsigned char msg6[]="AQI:";  
      

    133. // unsigned char msg7[]="PM2.5";
      

    134.  unsigned char msg8[]={ 0xC7,0xD7,0xA3,0xAC,0xBB,0xB6,0xD3,0xAD,0xC4,0xFA,0xCA,0xB9,0xD3,
      

    135.       0xC3,0xA3, 0xA1};
      

    136. unsigned char msg9[]={ 0xD3,0xC5}; 
      

    137. unsigned char msg10[]={ 0xC1,0xBC}; 
      

    138. unsigned char msg11[]={ 0xC7,0xE1,0xB6,0xC8,0xCE,0xDB,0xC8,0xBE}; 
      

    139. unsigned char msg12[]={ 0xD6,0xD0,0xB6,0xC8,0xCE,0xDB,0xC8,0xBE};
      

    140. unsigned char msg13[]={ 0xD6,0xD8,0xB6,0xC8,0xCE,0xDB,0xC8,0xBE};
      

    141. unsigned char msg16[]={ 0xD1,0xCF,0xD6,0xD8,0xCE,0xDB,0xC8,0xBE};
      

    142. unsigned char msg14[]={ 0xBC,0xEC,0xB2,0xE2,0xB5,0xBD,0xD3,0xD0,0xBA,0xA6,0xC6,0xF8,0xCC,
      

    143.       0xE5,0xD4, 0xDA};
      

    144. unsigned char msg15[]={ 0xB0,0xB2,0xC8,0xAB,0xB7,0xB6,0xCE,0xA7,0xC4,0xDA,0xA3,0xA1};
      

    145.       unsigned char logo0[]={ 
      

    146.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    147.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    148.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    149.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    150.       0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,
      

    151.       0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    152.       0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,
      

    153.       0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    154.       0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,
      

    155.       0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    156.       0x00,0x00,0x00,0x00,0x00,0x03,0xFE,0x00,
      

    157.       0x7F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,
      

    158.       0x00,0x00,0x00,0x00,0x00,0x0F,0xF0,0x00,
      

    159.       0x0F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,
      

    160.       0x00,0x00,0x00,0x00,0x00,0x1F,0x80,0x00,
      

    161.       0x01,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,
      

    162.       0x00,0x00,0x00,0x00,0x00,0x3E,0x00,0x00,
      

    163.       0x00,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,
      

    164.       0x00,0x00,0x00,0x00,0x00,0xF8,0x00,0x00,
      

    165.       0x00,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,
      

    166.       0x00,0x00,0x00,0x00,0x01,0xF0,0x00,0x00,
      

    167.       0x00,0x0F,0x80,0x00,0x00,0x00,0x00,0x00,
      

    168.       0x00,0x00,0x00,0x00,0x03,0xE0,0x00,0x00,
      

    169.       0x00,0x07,0xC0,0x00,0x00,0x00,0x00,0x00,
      

    170.       0x00,0x00,0x00,0x00,0x07,0xC0,0x00,0x00,
      

    171.       0x00,0x01,0xE0,0x00,0x00,0x00,0x00,0x00,
      

    172.       0x00,0x00,0x00,0x00,0x07,0x80,0x00,0x00,
      

    173.       0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,
      

    174.       0x00,0x00,0x00,0x00,0x0F,0x00,0x00,0x00,
      

    175.       0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,
      

    176.       0x00,0x00,0x00,0x00,0x1E,0x00,0x00,0x00,
      

    177.       0x00,0x00,0x78,0x00,0x00,0x00,0x00,0x00,
      

    178.       0x00,0x00,0x00,0x00,0x3C,0x00,0x00,0x00,
      

    179.       0x00,0x00,0x3C,0x00,0x00,0x00,0x00,0x00,
      

    180.       0x00,0x00,0x00,0x00,0x38,0x00,0x40,0x00,
      

    181.       0x00,0x80,0x1C,0x00,0x00,0x00,0x00,0x00,
      

    182.       0x00,0x00,0x00,0x00,0x78,0x03,0xF8,0x00,
      

    183.       0x07,0xF0,0x1E,0x00,0x00,0x00,0x00,0x00,
      

    184.       0x00,0x00,0x00,0x00,0x70,0x07,0xFE,0x00,
      

    185.       0x0F,0xFC,0x0E,0x00,0x00,0x00,0x00,0x00,
      

    186.       0x00,0x00,0x00,0x00,0xF0,0x1F,0xBF,0x00,
      

    187.       0x3F,0x7E,0x0F,0x00,0x00,0x00,0x00,0x00,
      

    188.       0x00,0x00,0x00,0x00,0xE0,0x3E,0x0F,0x80,
      

    189.       0x7C,0x1F,0x07,0x00,0x00,0x00,0x00,0x00,
      

    190.       0x00,0x00,0x00,0x00,0xE0,0x7C,0x07,0xC0,
      

    191.       0xF8,0x0F,0x87,0x00,0x00,0x00,0x00,0x00,
      

    192.       0x00,0x00,0x00,0x01,0xE0,0xF8,0x01,0xE1,
      

    193.       0xF0,0x03,0xC3,0x80,0x00,0x00,0x00,0x00,
      

    194.       0x00,0x00,0x00,0x01,0xC0,0xF0,0x01,0xE1,
      

    195.       0xE0,0x03,0xC3,0x80,0x00,0x00,0x00,0x00,
      

    196.       0x00,0x00,0x00,0x01,0xC0,0xE0,0x00,0xE1,
      

    197.       0xC0,0x01,0xC3,0x80,0x00,0x00,0x00,0x00,
      

    198.       0x00,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,
      

    199.       0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,
      

    200.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    201.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    202.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    203.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    204.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    205.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    206.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    207.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    208.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    209.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    210.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    211.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    212.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    213.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    214.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    215.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    216.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    217.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    218.       0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,
      

    219.       0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,
      

    220.       0x00,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,
      

    221.       0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,
      

    222.       0x00,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,
      

    223.       0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,
      

    224.       0x00,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,
      

    225.       0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,
      

    226.       0x00,0x00,0x00,0x01,0xE0,0x00,0x00,0x00,
      

    227.       0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,
      

    228.       0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,
      

    229.       0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,
      

    230.       0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x00,
      

    231.       0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,
      

    232.       0x00,0x00,0x00,0x00,0xF0,0x00,0x0C,0x00,
      

    233.       0x0C,0x00,0x0F,0x00,0x00,0x00,0x00,0x00,
      

    234.       0x00,0x00,0x00,0x00,0x70,0x00,0x1E,0x00,
      

    235.       0x1E,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,
      

    236.       0x00,0x00,0x00,0x00,0x78,0x00,0x1F,0x00,
      

    237.       0x3E,0x00,0x1E,0x00,0x00,0x00,0x00,0x00,
      

    238.       0x00,0x00,0x00,0x00,0x38,0x00,0x07,0x80,
      

    239.       0xF8,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,
      

    240.       0x00,0x00,0x00,0x00,0x3C,0x00,0x03,0xE1,
      

    241.       0xF0,0x00,0x3C,0x00,0x00,0x00,0x00,0x00,
      

    242.       0x00,0x00,0x00,0x00,0x1E,0x00,0x01,0xFF,
      

    243.       0xE0,0x00,0x78,0x00,0x00,0x00,0x00,0x00,
      

    244.       0x00,0x00,0x00,0x00,0x0F,0x00,0x00,0xFF,
      

    245.       0x80,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,
      

    246.       0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x3F,
      

    247.       0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x00,
      

    248.       0x00,0x00,0x00,0x00,0x07,0x80,0x00,0x00,
      

    249.       0x00,0x01,0xE0,0x00,0x00,0x00,0x00,0x00,
      

    250.       0x00,0x00,0x00,0x00,0x03,0xE0,0x00,0x00,
      

    251.       0x00,0x07,0xC0,0x00,0x00,0x00,0x00,0x00,
      

    252.       0x00,0x00,0x00,0x00,0x01,0xF0,0x00,0x00,
      

    253.       0x00,0x0F,0x80,0x00,0x00,0x00,0x00,0x00,
      

    254.       0x00,0x00,0x00,0x00,0x00,0xF8,0x00,0x00,
      

    255.       0x00,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,
      

    256.       0x00,0x00,0x00,0x00,0x00,0x3E,0x00,0x00,
      

    257.       0x00,0x7E,0x00,0x00,0x00,0x00,0x00,0x00,
      

    258.       0x00,0x00,0x00,0x00,0x00,0x1F,0x80,0x00,
      

    259.       0x01,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,
      

    260.       0x00,0x00,0x00,0x00,0x00,0x0F,0xE0,0x00,
      

    261.       0x07,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,
      

    262.       0x00,0x00,0x00,0x00,0x00,0x03,0xFE,0x00,
      

    263.       0x3F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,
      

    264.       0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,
      

    265.       0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    266.       0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,
      

    267.       0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    268.       0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,
      

    269.       0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    270.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    271.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    272.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      

    273.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
      

    274. };
      

    275. void s_wsd(int r,int c)//在12864的X，Y坐標(biāo)點(diǎn)顯示Dht11的溫度和濕度
      

    276. {
      

    277.   char tws[16];
      

    278.   myDHT22.readData();
      

    279.   snprintf(tws, sizeof(tws),"%i.%01hioC  %i.%01i%%RH",myDHT22.getTemperatureCInt()/10, abs(myDHT22.getTemperatureCInt()%10),myDHT22.getHumidityInt()/10, myDHT22.getHumidityInt()%10);
      

    280.   LCDA.DisplayString(r,c,(unsigned char *)tws,sizeof(tws));
      

    281. }
      

    282. void g_wsd(int x,int y)
      

    283. {
      

    284.   char buf[14];
      

    285.   double outputV = getOutputV();
      

    286.   double ugm3 = getDustDensity(outputV); 
      

    287.   double aqi = getAQI(ugm3);
      

    288.   int ugm31=ugm3;
      

    289.    int aqi1=aqi;
      

    290.  
      

    291.   snprintf(buf, sizeof(buf),"PM2.5:%3iugm3",ugm31);
      

    292.   LCDA.DisplayString(x,y,(unsigned char *)buf,sizeof(buf));
      

    293. }
      


    294. 

    295. void setup()
      

    296. {LCDA.Initialise(); // 屏幕初始化
      

    297. delay(100);
      

    298. LCDA.DisplayString(1,0,msg8,sizeof(msg8));
      

    299. delay(2000);
      

    300. LCDA.CLEAR();//清屏
      

    301. delay(100);
      

    302. LCDA.DrawFullScreen(logo0);
      

    303. delay(2000);
      

    304.  LCDA.CLEAR();//清屏
      

    305.  delay(100);
      

    306.   // start serial port
      

    307.   Serial.begin(9600);
      

    308.   Serial.println("DHT22 Library Demo");
      

    309.    pinMode(Aout, INPUT);
      

    310.   pinMode(led,OUTPUT);
      

    311.  pinMode(ledPower,OUTPUT);
      

    312.   pinMode(dustPin, INPUT);
      

    313.   }
      


    314. 

    315. void loop()
      

    316. { 
      

    317.   LCDA.CLEAR();//清屏
      

    318.   delay(100);
      

    319.   DHT22_ERROR_t errorCode;
      

    320.   delay(100);
      

    321.   Serial.print("Requesting data...");
      

    322.   temp = analogRead(Aout);
      

    323.   Serial.print("CO:  ");
      

    324.   Serial.println(temp);
      

    325.   if((100<temp)&&(temp<=250) )
      

    326. {
      

    327. digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
      

    328.      // wait for a second
      

    329. LCDA.DisplayString(0,0,msg3,sizeof(msg3));    
      

    330.  LCDA.DisplayString(1,0,msg4,sizeof(msg4));   
      

    331.   LCDA.DisplayString(2,0,msg5,sizeof(msg5)); 
      

    332.  delay(3000);
      

    333.  digitalWrite(led, LOW);
      

    334.  LCDA.CLEAR();//清屏
      

    335.  }
      

    336.  if( temp>250)
      

    337. {delay(100);
      

    338. digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
      

    339.      // wait for a second
      

    340. LCDA.DisplayString(0,0,msg3,sizeof(msg3));    
      

    341.  LCDA.DisplayString(1,0,msg4,sizeof(msg4));   
      

    342.   LCDA.DisplayString(2,0,msg5,sizeof(msg5)); 
      

    343.  delay(4000);
      

    344.  //LCDA.CLEAR();//清屏
      

    345.  }
      

    346.  
      

    347. if(temp<=100)
      

    348. {
      

    349. digitalWrite(led, LOW);// turn the LED on (HIGH is the voltage level)
      

    350. LCDA.CLEAR();//清屏
      

    351. delay(200);
      

    352. LCDA.DisplayString(0,0,msg14,sizeof(msg14));
      

    353. LCDA.DisplayString(1,0,msg15,sizeof(msg15));    
      

    354.   delay(3000);
      

    355.  LCDA.CLEAR();//清屏 
      

    356. }
      

    357. double outputV = getOutputV(); //采樣獲取輸出電壓
      

    358.   double ugm3 = getDustDensity(outputV); //計(jì)算灰塵濃度
      

    359.   double aqi = getAQI(ugm3); //計(jì)算aqi
      

    360.   String gradeInfo = getGradeInfo(aqi); //計(jì)算級(jí)別
      

    361.  Serial.print("dianya  ");
      

    362.  Serial.println(outputV);
      

    363. Serial.print("pm2.5  ");
      

    364.  Serial.println(ugm3);
      

    365.  Serial.print("AQI  ");
      

    366.  Serial.println(aqi);
      

    367.  Serial.print("dengji  ");
      

    368.  Serial.println(getGradeInfo(aqi));
      

    369. delay(100);  
      

    370. ……………………
      


    371. 

    372. …………限于本文篇幅 余下代碼請(qǐng)從51黑下載附件…………
      

    復(fù)制代碼

    
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