Arduino UNO R3Arduino UNO R3开发板 MQ-2烟雾浓度传感器 舵机 无源蜂鸣器 风扇 步进电机 WIFI模块 RGB三色LED灯 SIM900A所构成。MQ-2烟雾浓度传感器实时检测室内烟雾浓度值。如果超过阈值，风扇会旋转

WIFI模块

MQ-2烟雾浓度传感器

火焰传感器模块

舵机

无源蜂鸣器

风扇

RGB三色LED灯

步进电机

SIM900A

烟雾浓度传感器

火焰传感器

无源蜂鸣器

三色LED灯

步进电机

风扇

WIFI模块(局域模式)

SIM900A模块

舵机模块

/****************************************************** * connection: * MQ-2 gas sensor Uno R3 * D0 7 * A0 A0 * GND GND * VCC 5V * * * Dual-color LED Arduin Uno R3 * R 11 * G 12 * B 13 * GND GND * * * buzzerPin 8 * GND GND * VCC 5V * * * motorIn1 = 9; * motorIn2 = 10; * *******************************************************/ include  //Arduino IDE自带的舵机库文件
const int Servo_Pin = 6;      //模拟开门
Servo myservo;      //定义舵机对象myservo

const int digitalInPin = 2; //D0 attach to digital 2

const int analogPin=A0; //the DO on the Module attach to Pin7 on the SunFounder 
const int digitalPin=7;  //the D0 attach to pin7
int Astate=0;
boolean  Dstate=0;

int redPin = 11;    // select the pin for the red LED
int greenPin = 12; 
int bluePin = 13; 

int buzzerPin = 8;//the pin of the active buzzer attach to pin8
int comdata;
const int motorIn1 = 9;
const int motorIn2 = 4;
#define rank1 150
#define rank2 200
#define rank3 250

void set_tele(void)
{ 
        
    Serial.begin(115200);                  //波特率为115200
    delay(1000);
    Serial.println("AT\r\n");                  //判断模块是否正常
    delay(1000);
}
void tele(void)
{ 
        
    Serial.println("AT+CPIN?\r\n");         
    delay(1000);
    Serial.println("AT+CSQ\r\n");              
    delay(3000);
    Serial.print("AT+CREG?\r\n");          
    delay(3000);
    Serial.println("AT+CGATT?\r\n");  
    delay(1000);
    Serial.println("ATD15336551683;\r\n");      
    delay(30000);
}


void setup() 
{ 
        
  pinMode(digitalInPin,INPUT);
  
  //set the pins state 
  pinMode (digitalPin,INPUT);

  pinMode(redPin, OUTPUT); //set redPin as OUTPUT
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  
  pinMode(buzzerPin,OUTPUT);//set the buzzer as as OUTPUT
  digitalWrite(buzzerPin,LOW);//initialize the buzzerPin as LOW level

  pinMode(motorIn1,OUTPUT);
  pinMode(motorIn2,OUTPUT);

  pinMode(Servo_Pin, OUTPUT);  //初始化舵机为输出模式
  myservo.attach(Servo_Pin);    //设置舵机控制引脚为6
  myservo.write(0);    //初始化舵机位置0
  set_tele();
  Serial.begin(9600);
} 
void loop()
{ 
          
  boolean stat = digitalRead(digitalInPin);
  Serial.print("D0: "); 
  Serial.println(stat); // print to serial monitor 
  Serial.println(" ");

  
  Astate=analogRead(analogPin);//read the value of A0
  Serial.println(Astate); //peint 

  if( stat == LOW)
  { 
        
    analogWrite(motorIn1,0);
    analogWrite(motorIn2,rank3);
    
    analogWrite(redPin, 255); //red
    analogWrite(greenPin, 0);
    analogWrite(bluePin, 0);
    //digitalWrite(buzzerPin,LOW);

    myservo.write(90); //舵机旋转至90度
    delay(5000);      // 延时3000ms
    myservo.write(0);//舵机旋转至0度
    delay(1000);      // 延时3000ms

    for(int i = 200;i <= 500;i++)   //frequence loop from 200 to 800
      { 
        
        tone(8,i);   //in pin7 generate a tone,it frequence is i
        delay(2);    //wait for 5 milliseconds 
      }
      delay(1000);   //wait for 4 seconds on highest frequence
      for(int i = 500;i >= 200;i--)  //frequence loop from 800 downto 200
      { 
        
        tone(8,i);  //in pin7 generate a tone,it frequence is i
        delay(2);  //delay 10ms
      }

      tele();
  }

  
  if((Astate>120 && Astate<150))
  { 
        
    analogWrite(motorIn1,0);
    analogWrite(motorIn2,rank1);
    
    analogWrite(redPin, 0); //red
    analogWrite(greenPin, 255);
    analogWrite(bluePin, 0);
    
    //digitalWrite(buzzerPin,LOW);

    myservo.write(90); //舵机旋转至90度
    delay(5000);      // 延时3000ms
    myservo.write(0);//舵机旋转至0度
    delay(1000);      // 延时3000ms


    for(int i = 200;i <= 500;i++)   //frequence loop from 200 to 800
      { 
        
        tone(8,i);   //in pin7 generate a tone,it frequence is i
        delay(10);    //wait for 5 milliseconds 
      }
      delay(4000);   //wait for 4 seconds on highest frequence
      for(int i = 500;i >= 200;i--)  //frequence loop from 800 downto 200
      { 
        
        tone(8,i);  //in pin7 generate a tone,it frequence is i
        delay(10);  //delay 10ms
      }

  }
  else if((Astate>=150 && Astate<200))
  { 
        
    analogWrite(motorIn1,0);
    analogWrite(motorIn2,rank2);
    
    analogWrite(redPin, 0); //red
    analogWrite(greenPin, 0);
    analogWrite(bluePin, 255);
    //digitalWrite(buzzerPin,LOW);

    myservo.write(90); //舵机旋转至90度
    delay(5000);      // 延时3000ms
    myservo.write(0);//舵机旋转至0度
    delay(1000);      // 延时3000ms

    for(int i = 200;i <= 500;i++)   //frequence loop from 200 to 800
      { 
        
        tone(8,i);   //in pin7 generate a tone,it frequence is i
        delay(5);    //wait for 5 milliseconds 
      }
      delay(2000);   //wait for 4 seconds on highest frequence
    for(int i = 500;i >= 200;i--)  //frequence loop from 800 downto 200
      { 
        
        tone(8,i);  //in pin7 generate a tone,it frequence is i
        delay(5);  //delay 10ms
      }
    
  }
  else if((Astate>=200))
  { 
        
    analogWrite(motorIn1,0);
    analogWrite(motorIn2,rank3);
    
    analogWrite(redPin, 255); //red
    analogWrite(greenPin, 0);
    analogWrite(bluePin, 0);
    //digitalWrite(buzzerPin,LOW);

    myservo.write(90); //舵机旋转至90度
    delay(5000);      // 延时3000ms
    myservo.write(0);//舵机旋转至0度
    delay(1000);      // 延时3000ms

    for(int i = 200;i <= 500;i++)   //frequence loop from 200 to 800
      { 
        
        tone(8,i);   //in pin7 generate a tone,it frequence is i
        delay(2);    //wait for 5 milliseconds 
      }
      delay(1000);   //wait for 4 seconds on highest frequence
      for(int i = 500;i >= 200;i--)  //frequence loop from 800 downto 200
      { 
        
        tone(8,i);  //in pin7 generate a tone,it frequence is i
        delay(2);  //delay 10ms
      }

      tele();
/* Serial.print("AT+CMGD=1"); Serial.print("\r\n"); Serial.print("AT"); Serial.print("\r\n"); Serial.print("AT+CPIN?"); Serial.print("\r\n"); Serial.print("AT+CSQ"); Serial.print("\r\n"); Serial.print("AT+CREG?"); Serial.print("\r\n"); Serial.print("AT+CGATT?"); Serial.print("\r\n"); Serial.print("ATD15336551683;"); Serial.print("\r\n"); */    
  }
  else
  { 
        
    analogWrite(redPin, 0); //red
    analogWrite(greenPin, 0);
    analogWrite(bluePin, 0);
    
    //digitalWrite(buzzerPin,HIGH);
    pinMode(buzzerPin,INPUT);
    pinMode(motorIn1,0);
    pinMode(motorIn2,0);
  }

  
  
  delay(200);//delay 200ms


 while (Serial.available())
    { 
        
      comdata= Serial.read();
      if(comdata==49)
      { 
        
        Serial.print("open the door\n");
        myservo.write(90); //舵机旋转至90度
        delay(1000);      // 延时3000ms
        myservo.write(0);//舵机旋转至0度
        delay(1000);      // 延时3000ms
      }
      if(comdata==50)
      { 
        
        Serial.print("open fmq\n");
        for(int i = 200;i <= 500;i++)   //frequence loop from 200 to 800
      { 
        
        tone(8,i);   //in pin7 generate a tone,it frequence is i
        delay(5);    //wait for 5 milliseconds 
      }
      delay(4000);   //wait for 4 seconds on highest frequence
      for(int i = 500;i >= 200;i--)  //frequence loop from 800 downto 200
      { 
        
        tone(8,i);  //in pin7 generate a tone,it frequence is i
        delay(10);  //delay 10ms
      }
        delay(100);
     }
     if(comdata==51)
      { 
        
        Serial.print("close fmq\n");
        pinMode(buzzerPin,INPUT);
        delay(100);
     }
     if(comdata==52)
      { 
        
        Serial.print("111\n");
        analogWrite(motorIn1,0);
        analogWrite(motorIn2,rank1);
        delay(100);
     }
     if(comdata==74)
      { 
        
        Serial.print("222\n");
        analogWrite(motorIn1,0);
        analogWrite(motorIn2,rank2);
        delay(100);
     }
     if(comdata==54)
      { 
        
        Serial.print("333\n");
        analogWrite(motorIn1,0);
        analogWrite(motorIn2,rank3);
        delay(100);
     }
    }
}

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