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#include "DecisionTree.h"
Eloquent::ML::Port::DecisionTree weatherClassifier;
#include <math.h>
#include "DHT.h"
// Variable Declaration
float t;
float h;
float hic;
int prediction;
#define DHTPIN 4 // Digital pin connected to the DHT sensor
#define DHTTYPE DHT11 // DHT 11
DHT dht(DHTPIN, DHTTYPE);
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
Serial.print("Welcome!");
delay(10);
dht.begin();
}
void loop() {
// put your main code here, to run repeatedly:
delay(2000);
// Read humidity
float h = dht.readHumidity();
// Read temperature as Celsius
float t = dht.readTemperature();
// Check if any reads failed and exit early (to try again).
if (isnan(h) || isnan(t)) {
Serial.println(F("Failed to read from DHT sensor!"));
return;
}
// Compute heat index in Celsius (the default)
float hic = calculate_heat_index(t,h);
// Print values of temperature, humidity and heat index to serial monitor
Serial.print(F("Humidity: "));
Serial.print(h);
Serial.print(F("% Temperature: "));
Serial.print(t);
Serial.print(F("°C Heat index: "));
Serial.print(hic);
Serial.println(F("°C"));
float input[3] = {t,h,hic};
// Giving input values to predict Function
int prediction = weatherClassifier.predict(input);
// Checking Condition of weather
Serial.print("Prediction: ");
// Serial.print(prediction);
if (prediction == 0){
Serial.println("Foggy \U0001F32B");
}
else if(prediction == 1){
Serial.println("Rainy \U0001F327");
}
else if(prediction == 2){
Serial.println("Cloudy \u2601️");
}
else if(prediction == 3){
Serial.println("Sunny \u2600");
}
Serial.println();
delay(1000);
}
double calculate_heat_index(double temperature, double humidity) {
// Coefficients for the heat index formula
double c1 = -42.379;
double c2 = 2.04901523;
double c3 = 10.14333127;
double c4 = -0.22475541;
double c5 = -6.83783e-3;
double c6 = -5.481717e-2;
double c7 = 1.22874e-3;
double c8 = 8.5282e-4;
double c9 = -1.99e-6;
// Calculate the heat index
double heat_index = (c1 + (c2 * temperature) + (c3 * humidity) + (c4 * temperature * humidity) +
(c5 * pow(temperature, 2)) + (c6 * pow(humidity, 2)) +
(c7 * pow(temperature, 2) * humidity) + (c8 * temperature * pow(humidity, 2)) +
(c9 * pow(temperature, 2) * pow(humidity, 2)));
// Adjustments for specific conditions
if (humidity < 13 && (80 <= temperature && temperature <= 112)) {
double adjustment = ((13 - humidity) / 4.0) * sqrt((17 - fabs(temperature - 95.0)) / 17);
heat_index -= adjustment;
} else if (humidity > 85 && (80 <= temperature && temperature <= 87)) {
double adjustment = ((humidity - 85) / 10.0) * ((87 - temperature) / 5.0);
heat_index += adjustment;
}
return heat_index;
}
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