LED load cell scale

#include <Arduino.h>
#include "HX711.h" // library for load cell amplifier
#include <FastLED.h> // led library

#define NUM_LEDS 27 //amount of leds
#define LED_PIN 6 //data pin for leds


const int LOADCELL_DOUT_PIN = 2;  // HX711 circuit wiring
const int LOADCELL_SCK_PIN = 3;


int target_weight = 230; //weight at which I want the leds to be a full brightness
int brightness = 0;
int mappedVal;
int i;


CRGB leds[NUM_LEDS];
HX711 scale;

void setup() {    // intializing scale and LEDS

  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS);

  Serial.begin(57600);
  Serial.println("HX711 Demo");
  Serial.println("Initializing the scale");

  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);

  Serial.println("Before setting up the scale:");
  Serial.print("read: \t\t");
  Serial.println(scale.read());      // print a raw reading from the ADC

  Serial.print("read average: \t\t");
  Serial.println(scale.read_average(20));   // print the average of 20 readings from the ADC

  Serial.print("get value: \t\t");
  Serial.println(scale.get_value(5));   // print the average of 5 readings from the ADC minus the tare weight (not set yet)

  Serial.print("get units: \t\t");
  Serial.println(scale.get_units(5), 1);  // print the average of 5 readings from the ADC minus tare weight (not set) divided
            // by the SCALE parameter (not set yet)

  scale.set_scale(1029.911); // depending on the base that the load cell is attached to, this will change and have to be reset
                      // this value is obtained by calibrating the scale with known weights; see the README for details
  scale.tare();               // reset the scale to 0

  Serial.println("After setting up the scale:");

  Serial.print("read: \t\t");
  Serial.println(scale.read());                 // print a raw reading from the ADC

  Serial.print("read average: \t\t");
  Serial.println(scale.read_average(20));       // print the average of 20 readings from the ADC

  Serial.print("get value: \t\t");
  Serial.println(scale.get_value(5));   // print the average of 5 readings from the ADC minus the tare weight, set with tare()

  Serial.print("get units: \t\t");
  Serial.println(scale.get_units(5), 1);        // print the average of 5 readings from the ADC minus tare weight, divided
            // by the SCALE parameter set with set_scale

  Serial.println("Readings:");

  }


void loop() {
  int scale_value = (scale.get_units()); // assigns scale reading to variable
  Serial.print("Scale Value is: ");
  Serial.print(scale_value);  //prints scale reading after calibration and tare
  Serial.print("\n");

  byte mappedVal = map(scale_value, 0, target_weight, 0, 255); //map scale reading data to brightness level

  Serial.print("Brightness Level is:\t");
  Serial.println(mappedVal);
  Serial.print("\n");

  delay(100);

  if (scale_value >= 1){
    for(int i = 0; i < NUM_LEDS; i++){
      leds[i] = CHSV(0,255,brightness);
    }
  }
  FastLED.show();
  brightness = brightness + mappedVal;
  if (scale_value == 0){
    FastLED.clear();
  }
}