#include <DHT.h>
#include <ESP32Servo.h>
#define DHTTYPE DHT22
int DHTPIN=4;
int LDRPIN = 26;
int LED_BAR_GRAPH_1 = 18;
int LED_BAR_GRAPH_2 = 19;
int LED_BAR_GRAPH_3 = 21;
int LED_BAR_GRAPH_4 = 22;
int RGB_R = 25;
int RGB_G = 33;
int RGB_B = 32;
int SERVO_PIN = 17;
int POTENTIOMETER_PIN = 35;
DHT dht(DHTPIN, DHTTYPE);
Servo servo;
float co2Threshold = 350;
float temperatureThreshold = 30;
void setup() {
Serial.begin(115200);
pinMode(LDRPIN, INPUT);
pinMode(POTENTIOMETER_PIN, INPUT);
pinMode(RGB_R, OUTPUT);
pinMode(RGB_G, OUTPUT);
pinMode(RGB_B, OUTPUT);
pinMode(LED_BAR_GRAPH_1, OUTPUT);
pinMode(LED_BAR_GRAPH_2, OUTPUT);
pinMode(LED_BAR_GRAPH_3, OUTPUT);
pinMode(LED_BAR_GRAPH_4, OUTPUT);
servo.attach(SERVO_PIN);
servo.write(90);
}
void loop() {
// Scenario 1: CO2 élevé
int potentiometerValue = analogRead(POTENTIOMETER_PIN);
potentiometerValue = map(potentiometerValue,0, 1023, 0, 180);
Serial.println(potentiometerValue);
if (potentiometerValue > co2Threshold) {
servo.write(0); // Servo ouvre complètement les fenêtres
delay(10000); // Attendre 5 secondes
servo.write(90); // Revenir à la position fermée
} else {
servo.write(90);
}
// Scenario 2: Température
float temperature = dht.readTemperature();
Serial.print("Temperature: ");
Serial.println(temperature);
if (temperature > temperatureThreshold) {
digitalWrite(RGB_R, LOW);
digitalWrite(RGB_G, LOW);
digitalWrite(RGB_B, HIGH);
} else {
digitalWrite(RGB_R, HIGH);
digitalWrite(RGB_G, LOW);
digitalWrite(RGB_B, LOW);
}
// Scenario 3: Luminosité
int lightLevel = analogRead(LDRPIN);
Serial.println(lightLevel);
if (lightLevel < 1000) {
digitalWrite(LED_BAR_GRAPH_1, HIGH);
digitalWrite(LED_BAR_GRAPH_2, LOW);
digitalWrite(LED_BAR_GRAPH_3, LOW);
digitalWrite(LED_BAR_GRAPH_4, LOW);
} else if (lightLevel < 2500) { // Changed condition to avoid overlap
digitalWrite(LED_BAR_GRAPH_1, HIGH);
digitalWrite(LED_BAR_GRAPH_2, HIGH);
digitalWrite(LED_BAR_GRAPH_3, LOW);
digitalWrite(LED_BAR_GRAPH_4, LOW);
} else if (lightLevel < 4000) { // Changed condition to avoid overlap
digitalWrite(LED_BAR_GRAPH_1, HIGH);
digitalWrite(LED_BAR_GRAPH_2, HIGH);
digitalWrite(LED_BAR_GRAPH_3, HIGH);
digitalWrite(LED_BAR_GRAPH_4, LOW);
} else {
digitalWrite(LED_BAR_GRAPH_1, HIGH);
digitalWrite(LED_BAR_GRAPH_2, HIGH);
digitalWrite(LED_BAR_GRAPH_3, HIGH);
digitalWrite(LED_BAR_GRAPH_4, HIGH);
}
delay(1000);
}