#include <Adafruit_NeoPixel.h>

#define PIN D5 // Output pin for NeoPixel
#define NUMPIXELS 8  // Number of NeoPixels
#define BUTTON_PIN D7 // Pin for the button

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#define DELAYVAL 500 // Time (in milliseconds) to pause between pixels

void setup() {
  Serial.begin(9600); // Initialize serial communication
  pinMode(BUTTON_PIN, INPUT_PULLUP); // Configure the button pin as input with pull-up

  pixels.begin(); // Initialize the NeoPixel strip object
}

void loop() {
  int buttonState = digitalRead(BUTTON_PIN); // Read the button state

  if (buttonState == LOW) {
    // If the button is pressed, turn off all NeoPixels
    Serial.println("Button pressed - Turning off NeoPixel strip");
    for (int i = 0; i < NUMPIXELS; i++) {
      pixels.setPixelColor(i, pixels.Color(0, 0, 0)); // Black color (off)
    }
    pixels.show();   // Display the change
  } else {
    // If the button is not pressed, turn on the NeoPixels with the desired color
    Serial.println("Button not pressed - Turning on NeoPixel strip");
    for (int i = 0; i < NUMPIXELS; i++) {
      pixels.setPixelColor(i, pixels.Color(150, 0, 0)); // Red color (you can change it to the desired color)
    }
    pixels.show();   // Display the change
  }

  delay(100); // Small pause for stability
}