/**********************************************************************************
  In this version, I've removed the neopixel code and replaced it with code
  that initializes the 10 LEDs connected to pins 3-12 as standard LEDs.
  The loop that chases the LEDs from right to left and left to right now
   uses digitalWrite() to turn on and off each LED, instead of strip.
   setPixelColor() and strip.show(). The rest of the code remains
   the same as before.
   author arvind patil 19 march 2023





*********************************************************************************/



#include <Adafruit_NeoPixel.h>

// Define constants for number of LEDs and pin numbers
const int NUM_LEDS = 24;
const int LED_PIN = 2;
const int LED_START = 3;
const int LED_END = 12;

// Create an Adafruit_NeoPixel object
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  // Initialize serial communication
  Serial.begin(9600);
  // Initialize the LED strip
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  // Initialize LEDs on pins 3 to 12
  for (int i = LED_START; i <= LED_END; i++) {
    pinMode(i, OUTPUT);
    digitalWrite(i, LOW);
  }
}

void loop() {
  // Chase LEDs from right to left
  for (int i = LED_START; i <= LED_END; i++) {
    digitalWrite(i, HIGH); // Turn on LED
    delay(100); // Wait 1 second
    digitalWrite(i, LOW); // Turn off LED
  }
  // Chase LEDs from left to right
  for (int i = LED_END; i >= LED_START; i--) {
    digitalWrite(i, HIGH); // Turn on LED
    delay(100); // Wait 1 second
    digitalWrite(i, LOW); // Turn off LED
  }
  // Chase RGB LEDs clockwise and counterclockwise with random colors
  for (int i = 0; i < 24; i++) {
    uint32_t color = strip.Color(random(256), random(256), random(256)); // Generate random color
    strip.setPixelColor(i, color); // Set LED color
    strip.setPixelColor(NUM_LEDS - i - 1, color); // Set opposite LED color
  
  
  
  
  
  
  
  }
  strip.show(); // Update LED strip
  delay(1000); // Wait 1 second
}