@buds1998, please read How to use this forum - please read. - Installation & Troubleshooting - Arduino Forum, specifically point #7 about posting code; your code is small enough to include in the post instead of attaching.
OP's code so people using cell-phones can also contribute to the discussion
#include <IRremote.h>
#include <FastLED.h>
const int RECV_PIN = 8;
IRrecv irrecv(RECV_PIN);
IRsend irsend;
decode_results results;
unsigned long key_value = 0;
//FastLED Neopixel setup
#define NUMPIXELS 150
#define PIN 6
CRGB leds[NUMPIXELS];
int brightnessDelta = 4;
int brightness = 125;
int colorDelta = 5;
//colors
//accepts colors in green, red, blue
CRGB red = CRGB(0, 255, 0);
CRGB green = CRGB(255, 0, 0);
CRGB lightGreen = CRGB(204, 0, 102);
CRGB blue = CRGB(0, 0, 255);
CRGB lightBlue = CRGB(128, 0, 255);
CRGB skyBlue = CRGB(206, 135, 250);
CRGB lightSkyBlue = CRGB(216, 173, 230);
CRGB turquoise = CRGB(206, 0, 209);
CRGB lightTurquoise = CRGB(224, 64, 208);
CRGB darkTurquoise = CRGB(139, 0, 139);
CRGB white = CRGB(254, 254, 254);
CRGB darkOrange = CRGB(128, 255, 0);
CRGB orange = CRGB(153, 255, 51);
CRGB lightOrange = CRGB(178, 255, 102);
CRGB yellow = CRGB(255, 255, 0);
CRGB purple = CRGB(0, 153, 153);
CRGB lightPurple = CRGB(0, 204, 102);
CRGB pink = CRGB(105, 255, 180);
CRGB lightPink = CRGB(192, 255, 203);
CRGB darkPink = CRGB(20, 255, 147);
void setup() {
// sanity check
delay(2000);
// setup IR reciever
Serial.begin(9600);
irrecv.enableIRIn();
//blink arduino LED on input recieved
irrecv.blink13(true);
//FastLED NeoPixel
FastLED.addLeds<WS2812B, PIN>(leds, NUMPIXELS);
FastLED.clear();
FastLED.setBrightness(brightness);
FastLED.show();
}
void loop() {
//if recieve ir input
if (irrecv.decode(&results)) {
Serial.println(results.bits);
//holding button down functionality
if (results.value == 0XFFFFFFFF) {
results.value = key_value;
}
long int decCode = results.value;
Serial.print(results.value);
Serial.print(" ");
Serial.println(decCode);
switch(results.value) {
//power [1][4]
case 16712445:
FastLED.clear();
FastLED.show();
break;
//red R [2][1]
case 16718565:
FastLED.clear();
fill_solid(leds, NUMPIXELS, red);
FastLED.show();
break;
case 16724175:
key_value = results.value;
irrecv.resume();
while (true) {
for (int i = 0; i < NUMPIXELS; i++) {
if (irrecv.decode(&results)) {
decCode = results.value;
Serial.println(results.value);
irsend.sendNEC(results.value, results.bits);
irrecv.enableIRIn();
FastLED.delay(100);
return;
}
FastLED.clear();
leds[i] = red;
FastLED.show();
FastLED.delay(500);
}
}
default:
Serial.print(results.value);
Serial.println(" not recognized.");
}
key_value = results.value;
irrecv.resume();
}
}