温室の温度警報装置 - kuroの覚え書き

作ってます。



#include <LiquidCrystal.h>

int ledPin0 = 13;      //LED signal

int alertPin = 8;      //alert signal

int analogPin0 = 0;   //LM35DZ input

int analogPin1 = 1;  //Low limit input

int analogPin2 = 2;  //High limit input
int val = 0;        //input data from LM35DZ

int val1 = 0;      //input data from Low limit dial

int val2 = 0;    //input data from High limit dial

int vtemp = 0;    //temp data    

// LiquidCrystal display with:

// rs on pin 12

// rw on pin 11

// enable on pin 10

// d4, d5, d6, d7 on pins 5, 4, 3, 2

LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2);
void setup()

{

  pinMode(ledPin0, OUTPUT); 

  pinMode(alertPin, OUTPUT);

  Serial.begin(9600);

  lcd.clear();

}
void loop()

{

  

  val1 = analogRead(analogPin1); // Low limit ??????????????

  val2 = analogRead(analogPin2); // High limit ??????????????

  val = analogRead(analogPin0); // Analog?????????????????????

  vtemp = (4.9*1000/1024)*val; //????????mV?????????

  if (val1 > vtemp)

  {

    digitalWrite(alertPin, HIGH);   // sets the alert on

    digitalWrite(ledPin0, LOW);   // sets the LED on

  }

  else 

  {

    if (vtemp > val2)

    {

    digitalWrite(alertPin, HIGH);   // sets the alert on

    digitalWrite(ledPin0, LOW);   // sets the LED on

    }

  else 

    {

    digitalWrite(alertPin, LOW);   // sets the alert off

    digitalWrite(ledPin0, HIGH);   // sets the LED on

    }

  }

  DispLCD();

  WriteSerial();

  delay(1000);

}
void DispLCD()

{

  lcd.clear();

  lcd.setCursor(0,0);

  lcd.print("Now Temp = ");

  lcd.print(vtemp);

  lcd.setCursor(0,1);

  lcd.print("Lo: ");

  lcd.print(val1);

  lcd.setCursor(9,1);

  lcd.print("Hi: ");

  lcd.print(val2);

}


void WriteSerial()

{

  Serial.println("HELLO WORLD!");

}