/* (12 LED RUNNING SOFT LIGHTS)
int ledNum = 12;  
byte ledPin[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13};
int ledDelay;
int potPin = A0;
int reading;
int bright;
int intensePin = A1;

void setup() {
  // put your setup code here, to run once:
  for (int i = 0; i < ledNum; i++) {
    pinMode(ledPin[i], OUTPUT);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  for (int i = 0; i < 12; i++) {
    ledDelay = analogRead(potPin);
    digitalWrite(ledPin[i], HIGH);
    delay(ledDelay);
    digitalWrite(ledPin[i], LOW);
  }
  for (int i = 12; i >=0; i--){
    ledDelay = analogRead(potPin);
    digitalWrite(ledPin[i], HIGH);
    delay(ledDelay);
    digitalWrite(ledPin[i], LOW);
    }
}*/


/* (2 POTENTIOMETER)
const int numLEDs = 12; // Number of LEDs in the running lights
const int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}; // Pins connected to LEDs

const int speedPotPin = A0; // Pin connected to the speed potentiometer
const int brightnessPotPin = A1; // Pin connected to the brightness potentiometer

int delayTime; // Variable to store delay time
int brightness; // Variable to store brightness level

void setup() {
  // Set LED pins as output
  for (int i = 0; i < numLEDs; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
  
  // Initialize serial communication for debugging (optional)
  //Serial.begin(9600);
}

void loop() {
  // Read the potentiometers
  int speedVal = analogRead(speedPotPin);
  int brightnessVal = analogRead(brightnessPotPin);
  
  // Map the potentiometer values to appropriate ranges
  delayTime = map(speedVal, 0, 1023, 50, 500); // Adjust speed range as needed
  brightness = map(brightnessVal, 0, 1023, 0, 255);
  
  // Print values for debugging (optional)
  //Serial.print("Speed: ");
  //Serial.print(delayTime);
  //Serial.print(" ms, Brightness: ");
  //Serial.println(brightness);
  
  // Loop through each LED and set the brightness
  for (int i = 0; i < numLEDs; i++) {
    analogWrite(ledPins[i], brightness);
    delay(delayTime);
    analogWrite(ledPins[i], 0);
  }
} */

#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define NUM_LEDS 12

// LED pin assignments
const int ledPins[NUM_LEDS] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13};

// Potentiometer pins
const int speedPotPin = A0;
const int brightnessPotPin = A1;

// LCD settings
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  // Initialize the LCD
  lcd.init();
  lcd.backlight();

  // Set LED pins as outputs
  for (int i = 0; i < NUM_LEDS; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
  // Read potentiometer values
  int speedValue = analogRead(speedPotPin);
  int brightnessValue = analogRead(brightnessPotPin);

  // Map the potentiometer values to usable ranges
  int delayTime = map(speedValue, 0, 1023, 500, 50); // Speed control
  int brightness = map(brightnessValue, 0, 1023, 0, 255); // Brightness control

  //int delayTime = map(speedValue, 0, 1023, 50, 1000); 
  //int brightness = map(brightnessValue, 0, 1023, 0, 255);


  // Calculate percentage values for display
  int speedPercent = map(speedValue, 0, 1023, 0, 100);
  int brightnessPercent = map(brightnessValue, 0, 1023, 0, 100);

  // Display values on the LCD
  lcd.setCursor(0, 0);
  lcd.print("20x4 LCD Displaying");
  
  lcd.setCursor(0, 1);
  lcd.print("Speed: ");
  lcd.print(speedPercent);
  lcd.print("%");

  lcd.setCursor(0, 2);
  lcd.print("Brightness: ");
  lcd.print(brightnessPercent);
  lcd.print("%");

  // Running lights loop
  for (int i = 0; i < NUM_LEDS; i++) {
    analogWrite(ledPins[i], brightness);
    delay(delayTime);
    analogWrite(ledPins[i], 0);
  }

  for (int i = NUM_LEDS - 2; i > 0; i--) {
    analogWrite(ledPins[i], brightness);
    delay(delayTime);
    analogWrite(ledPins[i], 0);
  }
}