【暖冬行动】无接触测温&洗手魔盒 简单

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <stdint.h>
#include <Adafruit_MLX90614.h>

#define SCREEN_WIDTH 128 // OLED屏的宽，128个像素点
#define SCREEN_HEIGHT 64 // OLED屏的高，64个像素点
#define OLED_RESET 4
 
Adafruit_SSD1306 display(OLED_RESET);
Adafruit_MLX90614 mlx = Adafruit_MLX90614();
int z = 4.0 ;

 
void setup()   
{                
  Serial.begin(9600);
  pinMode(7, OUTPUT);
  
  Serial.println("Adafruit MLX90614 test");  
  mlx.begin();  
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  //屏幕的IIC地址为0X3C
}
 
 
void loop() 
{


  Serial.println("Temperature from MLX90614:");
  Serial.print("Ambient:      ");
  Serial.print(mlx.readAmbientTempC());
  Serial.println(" °C");
  Serial.print("Contactless: ");
  Serial.print(mlx.readObjectTempC());
  Serial.println(" °C");
  Serial.println();
  delay(1000);


  
  display.clearDisplay(); //清屏
 
  display.setTextSize(1); //设置字体大小
  display.setTextColor(WHITE); //设置颜色
  display.setCursor(0,0);
  display.print("Ambient: ");
  display.print(mlx.readAmbientTempC()); //显示环境温度
  display.print("C");
  display.setCursor(0,10);
  display.print("Object: ");
  display.print(mlx.readObjectTempC()+ z);  //显示目标温度
  display.print("C");
  display.display();

  if(mlx.readObjectTempC()+z > 34.5 && mlx.readObjectTempC()+z<37.5)     //传感器测出的目标温度+修正值在正常体温范围
  {
          delay(10);
          tone(7, 1000);              //蜂鸣器提示
          delay(200);
          tone(7, 1200);
          delay(200);
          noTone(7);
  }
if(mlx.readObjectTempC()+z > 37.6)  //体温超过正常值
{
          delay(10);
          tone(7, 1100);              //蜂鸣器“报警”
          delay(100);
          tone(7, 1300);
          delay(100);
          tone(7, 1100);              
          delay(100);
          tone(7, 1300);
          delay(100);
          tone(7, 1100);              
          delay(100);
          tone(7, 1300);
          delay(100);
          tone(7, 1100);              
          delay(100);
          tone(7, 1300);
          delay(100);
          noTone(7);
  }

 
  delay(2000);
  
}

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <NewPing.h>
#include <Servo.h>

LiquidCrystal_I2C lcd(0x27,16,2);//0x27   0x3F

#define TRIGGER_PIN  2  // Arduino pin tied to trigger pin on the ultrasonic sensor.
#define ECHO_PIN     3  // Arduino pin tied to echo pin on the ultrasonic sensor.
#define MAX_DISTANCE 400 // Maximum distance we want to ping for (in centimeters). Maximum sensor distance is rated at 400-500cm.
NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and maximum distance.


Servo myservo;
int pos = 0;

String returntemp = "";           //存储返回值 
int g_UTL = 0;
int shezhi = 7;                   //预设距离
int fre;//set the variable to store the frequence value

/*printf格式化字符串初始化*/
int serial_putc( char c, struct __file * )
{
  Serial.write( c );
  return c;
}
void printf_begin(void)
{
  fdevopen( &serial_putc, 0 );
}

void setup()
{
  myservo.attach(9);
  
  lcd.init(); 
  lcd.backlight();
  Serial.begin(9600);	          //波特率9600 
  printf_begin();                 //初始化printf
}


void loop() 
{   
 TP1:   
    delay(100); 
    unsigned int uS = sonar.ping();    
    g_UTL =  uS / US_ROUNDTRIP_CM;
    if (g_UTL == 0) goto TP1;   //误判
    
    lcd.setCursor(0, 0);
    lcd.print("Tips    :");
    lcd.setCursor(0, 1);
    lcd.print("             ");
    lcd.setCursor(2, 1);
    lcd.print("Close to use  ");            //提示：靠近后使用


     if(g_UTL < shezhi)         //如果检测到的超声波距离值小于设定的超声波距离值
     {
   
      delay(1000);
      lcd.setCursor(0, 0);
      lcd.print("Tips    :");
      lcd.setCursor(0, 1);
      lcd.print("                ");
      lcd.setCursor(1, 1);
      lcd.print("Please use it");           //提示：请使用
      delay(2000);
      for (pos = 0; pos <= 180; pos += 1) {        //舵机旋转从0度-180度
      myservo.write(pos);              
      delay(10);                      
  
      }
      delay(1000);
      
      for (pos = 180; pos >= 0; pos -= 1) {        // 180度-0度
      myservo.write(pos);              
      delay(10);                       

      } 

   delay(2000); 
     }
}