Safari.pdf

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  • April 2020
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#include #include #include #define ONE_WIRE_BUS 8 OneWire oneWire(ONE_WIRE_BUS); DallasTemperature sensors(&oneWire); LiquidCrystal lcd(12, 11, 5, 4, 3, 2); float celsius, fahrenheit; int Sensor1 = A0; int Sensor2 = A1; int Bulb = A5; int Fan = A4; int Buzzer = A3; int Counter = 0; int Sen1Check = 0; int Sen2Check = 0; void setup(void) { Serial.begin(9600); digitalWrite(Bulb, HIGH); digitalWrite(Fan, HIGH); digitalWrite(Buzzer, HIGH); pinMode(Sensor1, INPUT); pinMode(Sensor2, INPUT); pinMode(Bulb, OUTPUT); pinMode(Fan, OUTPUT); pinMode(Buzzer, OUTPUT);

lcd.begin(20, 4); lcd.setCursor(0, 1); lcd.print("Temp = "); lcd.setCursor(0, 0); lcd.print("Counter = "); lcd.setCursor(12, 0); lcd.print("Persons"); } void loop() { CheckEntry(); CheckLeaving(); lcd.setCursor(7, 1); sensors.requestTemperatures(); lcd.println(sensors.getTempCByIndex(0)); lcd.setCursor(12, 1); lcd.print(" degC"); lcd.setCursor(10, 0); if(Counter >= 0){lcd.print(Counter);} if(Counter < 0){Counter = 0;} if(Counter > 0) { digitalWrite(Bulb, LOW);

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digitalWrite(Fan, LOW); digitalWrite(Buzzer, HIGH); lcd.setCursor(0, 2); lcd.print("Fan : ON "); lcd.setCursor(0, 3); lcd.print("Bulb : ON "); } if(Counter < 1) { digitalWrite(Bulb, HIGH); digitalWrite(Fan, HIGH); digitalWrite(Buzzer, HIGH); lcd.setCursor(0, 2); lcd.print("Fan : OFF"); lcd.setCursor(0, 3); lcd.print("Bulb : OFF"); }

}

void CheckEntry() { if(((digitalRead(Sensor1) == LOW) || (Sen1Check == 1)) && (Sen2Check == 0)) { while(digitalRead(Sensor1) == LOW); Sen1Check = 1; if(digitalRead(Sensor2) == LOW) { Counter++; Sen1Check = 0; while(digitalRead(Sensor2) == LOW); } } }

void CheckLeaving() { if(((digitalRead(Sensor2) == LOW) || (Sen2Check == 1)) && (Sen1Check == 0)) { while(digitalRead(Sensor2) == LOW); Sen2Check = 1; if(digitalRead(Sensor1) == LOW) { Counter = Counter - 1; Sen2Check = 0; while(digitalRead(Sensor1) == LOW); } } }

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