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	- Project: LED Control
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-05-01 08:29:43

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* The LED chipset is WS2812B RGB  Number of LED is */
	/* 20  Digital output is D5  write a code:  led fade */
	/* in and out randomly, increments 5.  set fade in */
	/* value at 0,  set fade out value at 255  set fade */
	/* time from 0 to 255 at 5 seconds  use only warm */
	/* colors */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <FastLED.h>	//https://github.com/FastLED/FastLED

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void);
void ledFadeInOut(void);

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t WS2812B_LEDRGB_PIN_D5 = 5; // Digital output pin D5 for WS2812B LED

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
CRGB leds[20]; // Define LED array with 20 LEDs

void setup(void)
{
	// put your setup code here, to run once:
	FastLED.addLeds<WS2812B, WS2812B_LEDRGB_PIN_D5, GRB>(leds, 20); // Initialize FastLED object with 20 LEDs on pin D5

	pinMode(WS2812B_LEDRGB_PIN_D5, OUTPUT); // Set D5 pin as output
}

void loop(void)
{
	// put your main code here, to run repeatedly:
	updateOutputs(); // Refresh output data
	ledFadeInOut(); // Perform LED fade in and out randomly
}

void updateOutputs()
{
	// No need to update outputs in this case
}

void ledFadeInOut()
{
	static uint8_t fadeValue = 0;
	static bool fadeDirection = true;

	if (fadeDirection) {
		fadeValue += 5;
		if (fadeValue >= 255) {
			fadeDirection = false;
		}
	} else {
		fadeValue -= 5;
		if (fadeValue <= 0) {
			fadeDirection = true;
		}
	}

	// Set warm color based on fade value
	CRGB color = CRGB(fadeValue, fadeValue * 0.7, fadeValue * 0.3);

	// Set LED color
	for (int i = 0; i < 20; i++) {
		leds[i] = color;
	}

	// Show LED color
	FastLED.show();

	// Delay for 5 seconds
	delay(5000);
}

/* END CODE */