Hi all, I'm new on this forum and I just started to do a small project for some car headlights but I don't really understand this program and when I t

Projects General Guidance
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#include "Arduino.h"
#include <FastLED.h>

#define LED_PIN 2 //LED Strip Signal Connection
#define DRLSignal 3 //DRL Switch Signal Connection
#define LeftSignal 5 //Left Blinker Signal Connection
#define RightSignal 7 //Right Blinker Signal Connection

#define NUM_LEDS 40 //Total no of LEDs in two LED strips (eg. Use 40 here for two 20 LED strips)
#define BlinkerLEDs NUM_LEDS/2

int BlinkerSpeed = 30; //Turn Signal Running LED Speed. Adjust this to match with your vehicle turn signal speed.
int BlinkerOffDelay = 250; //Turn Signal Off time. Adjust this to match with your vehicle turn signal speed.

int StartupSpeed = 25;
int DRLDetect = 0;
int DRLColour = 1; //Change LED colour here, 1-Ice Blue, 2-Blue, 3-White, 4-Orange

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Read the pinned post re 'How to get the most from the forum'. Pay special attention to how to use the Tools menu option of Auto Format and Edit Copy For Forum in order to post code that we can easily read. Also, a wiring diagram is needed, but a simple photograph of a hand-drawn labelled diagram is fine.

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To learn how to post successfully on this forum, please read and follow the directions in the "How to get the best out of this forum" post, linked at the head of every forum topic.