#include <DHT.h>
int dht_pin = 2;
#include <Adafruit_NeoPixel.h>
int neo_pin = 9;
int no_of_led = 16;
Adafruit_NeoPixel strip = Adafruit_NeoPixel(no_of_led, neo_pin);
DHT dht(dht_pin, DHT22);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("Humidity and Temperature test!!");
  dht.begin();
  strip.begin();  
}

void loop() {
  // put your main code here, to run repeatedly
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  if (humidity < 45 && temperature < 45) {
    Set_color(strip.Color(0, 255, 0));
    delay(500);
  } else {
    Set_color(strip.Color(255, 0, 0));
    delay(500);
  }
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print("%, Temperature in degrees");
  Serial.print(temperature);
  Serial.print("℃ ");
}

int Set_color(uint32_t col) {
  for(int i = 0; i < no_of_led; i++) {
    strip.setPixelColor(i, col);
    strip.show();
    delay(500);
  }
}