งานปฏิบัติ 17
งานปฏิบัติ 17
การควบคุมเครื่องใช้ไฟฟ้าขนาดใหญ่
Code 1
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);
}
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