#include <DHT.h>
#include <Adafruit_NeoPixel.h>
int dht_pin = 2;
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_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 °C");
  Serial.println(temperature);
}

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