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- #include "DHT.h"
- #define relayPin 8
- #define LEDPin 9
- #define LDRPin A0
- #define DHTPIN 2
- #define DHTTYPE DHT11
- DHT dht(DHTPIN, DHTTYPE);
- int sensorValue = 0;
- int setValue = 300; // Light
- int setValue2 = 27; // Temp
- void setup() {
- Serial.begin(9600);
- pinMode(LEDPin, OUTPUT);
- pinMode(relayPin, OUTPUT);
- digitalWrite(relayPin, LOW);
- dht.begin();
- delay(5000);
- }
- void loop() {
- float t = dht.readTemperature();
- sensorValue = analogRead(LDRPin);
- Serial.println(sensorValue);
- Serial.println(t);
- if (sensorValue <= setValue && t < setValue2) {
- digitalWrite(LEDPin, HIGH);
- digitalWrite(relayPin, LOW);
- }
- else if (sensorValue <= setValue && t >= setValue2) {
- digitalWrite(LEDPin, HIGH);
- digitalWrite(relayPin, HIGH);
- }
- else if (sensorValue > setValue && t < setValue2) {
- digitalWrite(LEDPin, LOW);
- digitalWrite(relayPin, LOW);
- }
- else if (sensorValue > setValue && t >= setValue2) {
- digitalWrite(LEDPin, LOW);
- digitalWrite(relayPin, HIGH);
- }
- delay(10);
- }
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