#include <DHTesp.h>
int trig =12;
int echo =25;
float green =14;
float orange =27;
float red =26;
float distance;
DHTesp moorthy;
TempAndHumidity data;
void setup() {
Serial.begin(115200);
moorthy.setup(18, DHTesp:: DHT22);
pinMode(trig, OUTPUT);
pinMode(echo, INPUT);
pinMode(green, OUTPUT);
pinMode (orange, OUTPUT);
pinMode(red,OUTPUT);
tone(22, OUTPUT);
}
int ultraperformance(){
digitalWrite(trig, LOW);
delay(100);
digitalWrite(trig, HIGH);
delay(100);
digitalWrite(trig, LOW);
distance=pulseIn(echo,HIGH);
return(distance*0.034/2)+1;
}
void loop() {
data = moorthy.getTempAndHumidity();
Serial.println("Humi : " + String(data.humidity));
Serial.println("Temp : " + String(data.temperature));
Serial.println("-----------------");
delay(1000);
float actual_distance=ultraperformance();
Serial.println(actual_distance);
if (actual_distance>300 && data.temperature<30 && data.humidity>70) {
digitalWrite(green, HIGH);
digitalWrite(orange, LOW);
digitalWrite(red, LOW);
Serial.println("you are safe");
tone(22,LOW);
}
else if(actual_distance>=200 && actual_distance <300 && data.temperature>= 30 && data.temperature <= 70 && data.humidity <= 70 && data.humidity >= 30){
digitalWrite(orange ,HIGH);
digitalWrite(green, LOW);
digitalWrite(red, LOW);
Serial.println("you are unsafe");
tone(22,LOW);
}
else if(actual_distance>=0 && actual_distance<200 && data.temperature>70 && data.humidity<30){
digitalWrite(red ,HIGH);
digitalWrite(orange , LOW);
digitalWrite(green, LOW);
tone(22,1000);
Serial.println("you are danger");
}
else{
digitalWrite(green, LOW);
digitalWrite(orange, LOW);
digitalWrite(red, LOW);
}
}