#include <DHT.h>
int dht_pin = 2;
#include <Adafruit_NeoPixel.h>
int neo_pin = 9;
int no_of_leds = 16;
Adafruit_NeoPixel strip = Adafruit_NeoPixel(no_of_leds, neo_pin);
DHT dht(dht_pin, DHT22);
void setup() 
{
  Serial.begin(9600);
  Serial.println(" Humidity and Temperature Test!");
  dht.begin();
  strip.begin();
}
void loop() {
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  if (humidity<45 && temperature<45)
{
 Set_colour(strip.Color(0,255,0));
  delay(500);
}
else 
{
  Set_colour(strip.Color(255,0,0));
  delay(500);
}
Serial.print(" Humidity: ");
Serial.print(humidity);
Serial.print("% Temperature in C:");
Serial.println(temperature);
}
int Set_colour(uint32_t col)
{
  for(int i=0; i<no_of_leds; i++)
  {
    strip.setPixelColor(i , col);
    strip.show();
    delay(500);
  }
}