#include <dht.h>

const int r = 7;
const int g = 6;
const int b = 5;

const int dhtPin = 4;

dht DHT;

void setup() {
  Serial.begin(115200);

  pinMode(r, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(b, OUTPUT);
}

void loop() {
  DHT.read22(dhtPin);
  double temp = DHT.temperature;
  Serial.println(temp);
  double hum = DHT.humidity;
  Serial.println(hum);
  if (temp < 0 || temp > 35 || hum < 50 || hum > 90) {
    out(255, 0, 0);
  }
  else {
    out (0, readTemp(temp), readHum(hum));

  }
  delay(100);
}

int readTemp(int temp) {
  return map(temp, -40, 80, 0, 255);
}

int readHum(int hum) {
  return map(hum, 0, 100, 0, 255);
}

void out(int red, int green, int blue) {
  analogWrite(r, red);
  analogWrite(g, green);
  analogWrite(b, blue);
}