#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() {
  // 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 °C: ");
  Serial.print(temperature);
}
int Set_color(uint32_t col)
  {
    for(int i = 0; i < no_of_leds; i++) 
    {
      strip.setPixelColor(i, col);
      strip.show();
      delay(500);
    }
  }