#include <LiquidCrystal_I2C.h>
#include <Adafruit_NeoPixel.h>

//Adafruit_NeoPixel strip(24, 11, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel *pixels;
int pixelFormat = NEO_GRB + NEO_KHZ800;

LiquidCrystal_I2C lcd(0x27, 2, 16);

int PIXEL_COUNT = 11;
int potIn = A0;
int blankVal = 0;
int potVal = 0;
int pixelNum = 0;
int blueVal = 255;
int redVal = 0;
int greenVal = 0;

void setup() {

pixels = new Adafruit_NeoPixel(24, 11, pixelFormat);
pixels->begin();

lcd.init();
lcd.backlight();

pinMode(potIn, INPUT);

}

void loop() {

pixels->setPixelColor(pixelNum, pixels->Color(redVal, greenVal, blueVal));
pixels->show();

potVal = analogRead(potIn);
pixelNum = (potVal / 50);
pixelNum = constrain(pixelNum, 1, 20);

pixels->clear();
pixels->fill(pixels->Color(redVal, greenVal, blueVal), 0, pixelNum);
pixels->show();

if(potVal < 1000){
  lcd.setCursor(3, 0);
  lcd.print(" ");
}

if(potVal <100){
  lcd.setCursor(2, 0);
  lcd.print(" ");
}

lcd.setCursor(0, 0);
lcd.print(potVal);
lcd.setCursor(0, 1);
lcd.print(pixelNum);

}