งานปฏิบัติที่ 18

                                                               wiring diagram

รูปที่ 1

Code 1

#include <LiquidCrystal_I2C.h> 

LiquidCrystal_I2C lcd(0x27,16,2);

int aVal=0,tempaVal=0;

const int SW_ON = 2; 

const int led_ON =  13; int CSW_ON = 0; int C_CSW_ON =0;

int Relay1=12,Relay2=11,Relay3=10,Relay4=9;

int sensorPin = A0;

int sensorValue = 0;

void setup() {

  lcd.backlight();

  lcd.begin();

  Serial.begin(9600);

  pinMode(led_ON, OUTPUT);pinMode(SW_ON, INPUT);

  pinMode(Relay1,OUTPUT);pinMode(Relay2,OUTPUT);

  pinMode(Relay3,OUTPUT);pinMode(Relay4,OUTPUT);

//

  digitalWrite(Relay1,HIGH);digitalWrite(Relay2,HIGH);

  digitalWrite(Relay3,HIGH);digitalWrite(Relay4,HIGH);

  lcd.setCursor(0,0);

  lcd.print("Project2017");

  lcd.setCursor(0,1);

  lcd.print("standby");

}

//END Setup

void loop() {

  CSW_ON = digitalRead(SW_ON);

  sensorValue = analogRead(sensorPin);//Serial.println(sensorValue);

  //=======================================================================

  int c_sensorValue1 = map(sensorValue,0,1023,0,255);

  //Serial.print("c_sensorValue1 = ");Serial.println(c_sensorValue1);

  int c_sensorValue2 = map(sensorValue,0,1023,255,0);

  //Serial.print("c_sensorValue2 = ");Serial.println(c_sensorValue2);

  //=======================================================================

  //check SW_ON

  if (CSW_ON == LOW) { delay(1000);

    lcd.clear();

    C_CSW_ON++;

      Serial.print("C_CSW_ON = ");Serial.println(C_CSW_ON);

    //OPEN Project

    digitalWrite(led_ON, HIGH);

  //END check SW_ON

    if(C_CSW_ON == 1){

    lcd.setCursor(0,0);

    lcd.print("Power On ");

    delay(1000);

    lcd.clear();

    lcd.print("Power On ");

    delay(1000);

    lcd.clear();

    }

  }

  if(C_CSW_ON == 1){//OPEN PROJECT

    digitalWrite(led_ON, HIGH);

    //delay(1000);

    digitalWrite(Relay1, HIGH);

    //ตรวจสอบค่า VR================

      //lcd.clear();

      lcd.setCursor(0,0);

      lcd.print(c_sensorValue1);

      lcd.print(" ");

      //==============================

      if(c_sensorValue1 >= 150){

      digitalWrite(Relay2, LOW);

      }else{

        digitalWrite(Relay2, HIGH);

        }

      //=============================

    //RelaySTART();

    }else{//OFF PROJECT

    lcd.setCursor(0,0);

    //lcd.print("Power Off");

    lcd.setCursor(0,1);

    lcd.print("standby");

    digitalWrite(led_ON, LOW); C_CSW_ON = 0;

    RelaySTOP();

    }

  }//END Loop

//======โปรแกรมย่อย==========

void RelaySTOP(){

digitalWrite(Relay1,HIGH);digitalWrite(Relay2,HIGH);

digitalWrite(Relay3,HIGH);digitalWrite(Relay4,HIGH);  

  }

void RelaySTART(){

digitalWrite(Relay1,LOW);digitalWrite(Relay2,LOW);

digitalWrite(Relay3,LOW);digitalWrite(Relay4,LOW); 

}