//<a href="http://www.instructables.com/id/Big-auto-dim-room-clock-using-arduino-and-WS2811/?comments=all#CPDXFS0INZGBXU1" rel="nofollow">http://www.instructables.com/id/Big-auto-dim-room-clock-using-arduino-and-WS2811/?comments=all#CPDXFS0INZGBXU1</a>

#include <DS3232RTC.h>
#include <Time.h>
#include <Wire.h>
#include <FastLED.h>

#define NUM_LEDS 116 // 4 by segment + 4 in the middle
#define LED_TYPE WS2812
#define COLOR_ORDER GRB // Define color order for your strip
#define BRIGHTNESS 150
#define LED_PIN 6 // Data pin for led comunication

CRGB leds[NUM_LEDS]; // Define LEDs strip

byte digits[10][28] = {
{
0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }
, // Digit 0
{
0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1 }
, // Digit 1
{
1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0 }
, // Digit 2
{
1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1 }
, // Digit 3
{
1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1 }
, // Digit 4
{
1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1 }
, // Digit 5
{
1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }
, // Digit 6
{
0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1 }
, // Digit 7
{
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }
, // Digit 8
{
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1 }
}; // Digit 9 | 2D Array for numbers on 7 segment

byte firstdigit[2][10] = {
{
0,0,0,0,0,0,0,0,0,0 }
, // Digit 0 first number

{
1,1,1,1,1,1,1,1,1,1 }
}; // Digit 1 first number | 2D Array for numbers on 7 segment

bool Dot = true; //Dot state

bool DST = false; //DST state
int last_digit = 0;
//long ledColor = CRGB::DarkOrchid; // Color used (in hex)
long ledColor = CRGB::MediumVioletRed;
long ColorTable[16] = {
CRGB::Amethyst,
CRGB::Aqua,
CRGB::Blue,
CRGB::Chartreuse,
CRGB::DarkGreen,
CRGB::DarkMagenta,
CRGB::DarkOrange,
CRGB::DeepPink,
CRGB::Fuchsia,
CRGB::Gold,
CRGB::GreenYellow,
CRGB::LightCoral,
CRGB::Tomato,
CRGB::Salmon,
CRGB::Red,
CRGB::Orchid};
void setup(){

Serial.begin(9600);

Wire.begin();
FastLED.addLeds<WS2812B, LED_PIN, RGB>(leds, NUM_LEDS);
// FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip );
FastLED.setBrightness( BRIGHTNESS );
pinMode(2, INPUT_PULLUP); // Define DST adjust button pin
pinMode(4, INPUT_PULLUP); // Define Minutes adjust button pin
pinMode(5, INPUT_PULLUP); // Define Hours adjust button pin

}

// Check Light sensor and set brightness accordingly
void BrightnessCheck(){
const byte sensorPin = 3; // light sensor pin
const byte brightnessLow = 75; // Low brightness value
const byte brightnessHigh = 100; // High brightness value
int sensorValue = digitalRead(sensorPin); // Read sensor
if (sensorValue == 0) {
Serial.println("Brightness High");
LEDS.setBrightness(brightnessHigh);
}

else {
Serial.println("Brightness Low");
LEDS.setBrightness(brightnessLow);
}

};

// Get time in a single number
int GetTime(){
tmElements_t Now;
RTC.read(Now);
//time_t Now = RTC.Now();// Getting the current Time and storing it into a DateTime object 
int hour=Now.Hour;
int minutes=Now.Minute;
int second =Now.Second;
if (second % 2==0) {
Dot = false;
}
else {
Dot = true;
};
return (hour*100+minutes);
};

void DSTcheck(){

int buttonDST = digitalRead(2);

Serial.print("DST is: ");
Serial.println(DST);

if (buttonDST == LOW){

if (DST){

DST=false;

Serial.print("Switching DST to: ");
Serial.println(DST);

}

else if (!DST){

DST=true;

Serial.print("Switching DST to: ");
Serial.println(DST);

};

delay(500);

};

}

// Convert time to array needet for display

void TimeToArray(){

int Now = GetTime(); // Get time

int cursor = 116; //116

Serial.print("Time is: ");
Serial.println(Now);

if (Dot){
leds[56]=ledColor;
leds[57]=ledColor;
leds[58]=ledColor;
leds[59]=ledColor;
leds[60]=ledColor;
//leds[48]=ledColor;
}

else {

leds[56]=0x000000;
leds[57]=0x000000;
leds[58]=0x000000;
leds[59]=0x000000;
leds[60]=0x000000;
//leds[48]=0x000000;

};

for(int i=1;i<=4;i++){

int digit = Now % 10; // get last digit in time

if (i==1){

cursor =88; //88

Serial.print("Digit 4 is : ");
Serial.print(digit);
Serial.print(", the array is : ");

for(int k=0; k<=27;k++){

Serial.print(digits[digit][k]);

if (digits[digit][k]== 1){
leds[cursor]=ledColor;
}

else if (digits[digit][k]==0){
leds[cursor]=0x000000;
};

cursor ++;

}; // fin for

Serial.println();
if (digit != last_digit) 
{ fadefonction();
ledColor = ColorTable[random(16)]; 
}
last_digit = digit;

}// fin if

else if (i==2){

cursor =60;

Serial.print("Digit 3 is : ");
Serial.print(digit);
Serial.print(", the array is : ");

for(int k=0; k<=27;k++){

Serial.print(digits[digit][k]);

if (digits[digit][k]== 1){
leds[cursor]=ledColor;
}

else if (digits[digit][k]==0){
leds[cursor]=0x000000;
};

cursor ++;

};

Serial.println();

}

else if (i==3){

cursor =28;

Serial.print("Digit 2 is : ");
Serial.print(digit);
Serial.print(", the array is : ");

for(int k=0; k<=27;k++){

Serial.print(digits[digit][k]);

if (digits[digit][k]== 1){
leds[cursor]=ledColor;
}

else if (digits[digit][k]==0){
leds[cursor]=0x000000;
};

cursor ++;

};

Serial.println();

}

else if (i==4){

cursor =0;

Serial.print("Digit 1 is : ");
Serial.print(digit);
Serial.print(", the array is : ");

for(int k=0; k<=27;k++){
Serial.print(digits[digit][k]);
if (digits[digit][k]== 1){
leds[cursor]=ledColor;
}
else if (digits[digit][k]==0){
leds[cursor]=0x000000;
};
cursor ++;
};
// Serial.println();

};
Now /= 10;
};
};
void TimeAdjust(){
int buttonH = digitalRead(5);
int buttonM = digitalRead(4);
if (buttonH == LOW || buttonM == LOW){
delay(500);
tmElements_t Now;
RTC.read(Now);
int hour=Now.Hour;
int minutes=Now.Minute;
if (buttonH == LOW){
if (Now.Hour== 24){
Now.Hour=1;
}
else {
Now.Hour += 1;
};
}
else {
if (Now.Minute== 59){
Now.Minute=0;
}
else {
Now.Minute += 1;
};
};

RTC.write(Now);
}
}
void fadeall() { 
for(int m = 0; m < NUM_LEDS; m++) { 
leds[m].nscale8(250); 
} 
}

void fadefonction () {
static uint8_t hue = 0;
// First slide the led in one direction
for(int i = 0; i < NUM_LEDS; i++) {
// Set the i'th led to red 
leds[i] = CHSV(hue++, 255, 255);
// Show the leds
FastLED.show(); 
// now that we've shown the leds, reset the i'th led to black
// leds[i] = CRGB::Black;
fadeall();
// Wait a little bit before we loop around and do it again
delay(10);
}

// Now go in the other direction. 
for(int i = (NUM_LEDS)-1; i >= 0; i--) {
// Set the i'th led to red 
leds[i] = CHSV(hue++, 255, 255);
// Show the leds
FastLED.show();
// now that we've shown the leds, reset the i'th led to black
// leds[i] = CRGB::Black;
fadeall();
// Wait a little bit before we loop around and do it again
delay(10);
}
}
void loop() // Main loop
{
/*BrightnessCheck(); // Check brightness
DSTcheck(); // Check DST
TimeAdjust(); // Check to se if time is geting modified*/
TimeToArray(); // Get leds array with required configuration
FastLED.show(); // Display leds array

/*float t = RTC.temperature();
float celsius = t / 4.0;
Serial.println();
Serial.print("Temp is : ");
Serial.print(celsius);
Serial.println();*/

}