Add Lights and Spooky Music to Your Jack-O-Lantern

1#include <Adafruit_NeoPixel.h>
2
3//initialize the candle, and variables   related to the candle
4//modified from: https://codebender.cc/sketch:67754#Neo%20Candle.ino
5#define   lPIN 6    //this is the pin the candle LEDs are connected to
6int numpix = 4;   //set the number of Pixels you have/want in the candle - more = brighter
7int   randNumber; int color; int wait;  int randpix; boolean x = true; unsigned long prevCandleTime;   //additional variables used to operate candle
8Adafruit_NeoPixel cstrip = Adafruit_NeoPixel(numpix,   lPIN, NEO_GRB + NEO_KHZ800);  //define the candle led strip
9
10//initialize   the eyes, and variables used to control eyes
11// modified from: http://www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/#fadeinout_rgb
12#define   fadePin 8   //this is the pin the glowing eye LEDs are connected to
13#define NUM_LEDS   4  //set the number of Pixels you have/want in the eyes - more = brighter
14int   fadeWait = 3;  // sets speed of eye fade.  smaller = faster, bigger = slower
15unsigned   long currentFadeTime = 0; int j = 0; int k = 0; boolean fadeIn = true;
16Adafruit_NeoPixel   fadeStrip = Adafruit_NeoPixel(NUM_LEDS, fadePin, NEO_GRB + NEO_KHZ800); //define   the led strip for the eyes
17
18void setup() {
19	pinMode(2, INPUT);  //use   pin 2 as input for the random seed - pick an unused analog read pin
20	randomSeed(analogRead(2));   //Set random number generator seed from analog pin 2
21	
22	cstrip.begin();
23	cstrip.show();   // Initialize all candle pixels to 'off'
24  
25  fadeStrip.begin();
26  fadeStrip.show();   // Initialize all eye pixels to 'off'
27}
28
29void loop(){
30	candle();
31   RGBLoop();
32}  //end main loop
33
34void candle(){
35  if(x){
36    wait   = random(80, 120);  //set a random wait period
37	  randpix = random(0, numpix   + 1); //choose a random number of pixels
38	  color = random(0, 2); //Pick either   yellow or orange
39	  for (int i = 0; i < numpix / 2; i++){ //so it leaves a certain   number of yellow pixels on (number of pixels/3)
40		  cstrip.setPixelColor(i,   255, 120, 0);  //set the number of pixels to turn on and color value (yellowish)
41	   }
42	  cstrip.show(); //turn pixels on
43  }
44  
45	if (color == 0){   //if   red was chosen
46		flickred(cstrip.Color(115, 50, 0), wait, randpix); // call   flickred and pass it the red (orangeish) color values - change values to change   color
47	} else {  // otherwise use yellow
48		flickYellow(cstrip.Color(180,   80, 0), wait, randpix); // call flickYellow and pass it the yellow color values   (change values to change color), and wait time and random pixel count
49	}
50}
51
52//   Function for when red is chosen
53void flickred(uint32_t c, uint8_t wait, uint8_t   p) {
54	if(x){
55	  for (int i = 0; i < p - 2; i++){ //loop for given random   pixel count (passed from loop)
56		  cstrip.setPixelColor(i, c);
57	  }
58	   cstrip.show();  //turn pixels on
59    x = false;
60	}else{
61	  if(millis()-prevCandleTime>wait){
62	     prevCandleTime = millis();
63    	for (int i = 0; i < p; i++) {
64		    cstrip.setPixelColor(i,   0);        //turn pixel off
65    	}	  
66    	x = true;
67	  }  
68	}
69}   //end flickred
70
71// function for when yellow is chosen
72void flickYellow(uint32_t   c, uint8_t wait, uint8_t p) {
73	if(x){
74	  for (int i = 0; i < p ; i++){ //loop   for given random pixel count (passed from loop)
75		  cstrip.setPixelColor(i,   c);
76	  }
77	  cstrip.show();  //turn pixels on
78    x = false;
79	}else{
80	   if(millis()-prevCandleTime>wait){
81	    prevCandleTime = millis();
82    	for   (int i = 0; i < p; i++) {
83		    cstrip.setPixelColor(i, 0);        //turn pixel   off
84	    }
85	    x = true;
86	  }
87	}
88}  //end flickYellow
89
90void   RGBLoop(){
91  if(millis()-currentFadeTime>fadeWait){
92    currentFadeTime =   millis();
93    if(fadeIn){
94      switch(j) { 
95        case 0: setAll(k,0,0);   break;
96        case 1: setAll(0,k,0); break;
97        case 2: setAll(0,0,k);   break;
98      }
99      fadeStrip.show();
100      if(k==255){
101        fadeIn=false;
102       } else {
103        k++;
104      }
105    } else {  // Fade OUT
106      
107       switch(j) { 
108        case 0: setAll(k,0,0); break;
109        case 1: setAll(0,k,0);   break;
110        case 2: setAll(0,0,k); break;
111      }
112      fadeStrip.show();
113       if(k==0){
114        fadeIn = true;
115        j++;
116        j%=3;
117      }   else {
118        k--;
119      }
120    }
121  }
122}
123
124void setAll(byte red,   byte green, byte blue) {
125  for(int i = 0; i < NUM_LEDS; i++ ) {
126    fadeStrip.setPixelColor(i,   fadeStrip.Color(red, green, blue));
127  }
128  fadeStrip.show();
129}

1int speakerPin = 9; //change to match pin for speaker
2int numTones  = 291; //change this to reflect the number of notes in your song
3int cs6 = 1109;  // frequencies of the notes used in the song
4int fs5 = 740;
5int d6 = 1175;
6int  c6 = 1047;
7int f5 = 698;
8int b5 = 988;
9int e5 = 659;
10int bf5 = 932;
11int  ef5 = 622;
12int b4 = 494;
13int g5 = 784;
14int wait = 200;  // length of the  notes
15
16int tones[] = { cs6, fs5, fs5, cs6, fs5, fs5, cs6, fs5,  d6, fs5, //notes  in the song
17	      		  	cs6, fs5, fs5, cs6, fs5, fs5, cs6, fs5,  d6, fs5,  
18      			  	cs6, fs5, fs5, cs6, fs5, fs5, cs6, fs5,  d6, fs5,
19    		  	  	cs6, fs5, fs5, cs6, fs5, fs5, cs6, fs5,  d6, fs5,
20    	  		  	cs6,  fs5, fs5, cs6, fs5, fs5, cs6, fs5,  d6, fs5,
21      			  	cs6, fs5, fs5, cs6,  fs5, fs5, cs6, fs5,  d6, fs5,
22    		  	  	 c6,  f5,  f5,  c6,  f5,  f5,  c6,  f5, cs6,  f5,
23	      		  	 c6,  f5,  f5,  c6,  f5,  f5,  c6,  f5, cs6,  f5,
24      			  	cs6, fs5, fs5, cs6, fs5, fs5, cs6, fs5,  d6, fs5,
25	    	  	  	cs6, fs5, fs5, cs6, fs5, fs5, cs6, fs5,  d6, fs5,
26	       		  	 c6,  f5,  f5,  c6,  f5,  f5,  c6,  f5, cs6,  f5,
27      			  	 c6,  f5,  f5,  c6,  f5,  f5,  c6,  f5, cs6,  f5,
28	    	  	  	 b5,  e5,  e5,  b5,  e5,  e5,  b5,  e5,  c6,  e5,
29	       		  	 b5,  e5,  e5,  b5,  e5,  e5,  b5,  e5,  c6,  e5,
30  	    		  	bf5, ef5, ef5, bf5, ef5, ef5, bf5, ef5,  b5, ef5,
31		      	  	bf5, ef5, ef5, bf5, ef5, ef5, bf5, ef5,  b5, ef5,
32	      		  	 b5,  e5,  e5,  b5,  e5,  e5,  b5,  e5,  c6,  e5,
33  	    		  	 b5,  e5,  e5,  b5,  e5,  e5,  b5,  e5,  c6,  e5,
34		      	  	bf5, ef5,  ef5, bf5, ef5, ef5, bf5, ef5,  b5, ef5,
35	     		    	bf5, ef5, ef5, bf5,  ef5, ef5, bf5, ef5,  b5, ef5,
36  	    		  	fs5,  b4,  b4, fs5,  b4,  b4, fs5,  b4,  g5,  b4,
37	    		    	fs5,  b4,  b4, fs5,  b4,  b4, fs5,  b4,  g5,  b4,
38    		  		  fs5,  b4,  b4, fs5,  b4,  b4, fs5,  b4,  g5,  b4,
39    	  			  fs5,  b4,  b4, fs5,  b4,  b4, fs5,  b4,  g5,  b4,
40      			  	fs5,  b4,  b4, fs5,  b4,  b4, fs5,  b4,  g5,  b4,
41	    		    	fs5,  b4,  b4,  fs5,  b4,  b4, fs5,  b4,  g5,  b4,
42	    	  	  	fs5,  b4,  b4, fs5,  b4,  b4,  fs5,  b4,  g5,  b4,
43	      		  	fs5,  b4,  b4, fs5,  b4,  b4, fs5,  b4,  g5,  b4,
44      		  		fs5,  b4,  b4, fs5,  b4,  b4, fs5,  b4,  g5,  b4};
45				
46unsigned  long current_song_time = 0; unsigned long prev_song_time = 0; int note_count = 0;  int on_off = 0; //variables for running the song
47
48void setup(){
49
50}
51
52void  loop()
53{
54	current_song_time = millis();
55	if(on_off == 0)
56	{
57		if  (current_song_time - prev_song_time >= 20){
58			if(note_count+1==numTones){
59				wait  = 10000;
60				on_off++;
61				on_off %= 2;
62			} else{
63				prev_song_time  = current_song_time;
64				tone(speakerPin, tones[note_count]);
65				on_off++;
66				on_off  %= 2;
67			}
68		}
69	} else {
70		if (current_song_time - prev_song_time  >= wait){//delays[note_count]
71			prev_song_time = current_song_time;
72			noTone(speakerPin);
73			note_count++;
74			note_count  %= numTones;
75			on_off++;
76			on_off %= 2;
77			wait = 200;
78		}
79	}
80}
81
82
83
84

1#include <Adafruit_NeoPixel.h>
2
3//initialize the candle, and variables  related to the candle
4//modified from: https://codebender.cc/sketch:67754#Neo%20Candle.ino
5#define  lPIN 6    //this is the pin the candle LEDs are connected to
6int numpix = 4;  //set the number of Pixels you have/want in the candle - more = brighter
7int  randNumber; int color; int wait;  int randpix; boolean x = true; unsigned long prevCandleTime;  //additional variables used to operate candle
8Adafruit_NeoPixel cstrip = Adafruit_NeoPixel(numpix,  lPIN, NEO_GRB + NEO_KHZ800);  //define the candle led strip
9
10//initialize  the eyes, and variables used to control eyes
11// modified from: http://www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/#fadeinout_rgb
12#define  fadePin 8   //this is the pin the glowing eye LEDs are connected to
13#define NUM_LEDS  4  //set the number of Pixels you have/want in the eyes - more = brighter
14int  fadeWait = 3;  // sets speed of eye fade.  smaller = faster, bigger = slower
15unsigned  long currentFadeTime = 0; int j = 0; int k = 0; boolean fadeIn = true;
16Adafruit_NeoPixel  fadeStrip = Adafruit_NeoPixel(NUM_LEDS, fadePin, NEO_GRB + NEO_KHZ800); //define  the led strip for the eyes
17
18void setup() {
19	pinMode(2, INPUT);  //use  pin 2 as input for the random seed - pick an unused analog read pin
20	randomSeed(analogRead(2));  //Set random number generator seed from analog pin 2
21	
22	cstrip.begin();
23	cstrip.show();  // Initialize all candle pixels to 'off'
24  
25  fadeStrip.begin();
26  fadeStrip.show();  // Initialize all eye pixels to 'off'
27}
28
29void loop(){
30	candle();
31  RGBLoop();
32}  //end main loop
33
34void candle(){
35  if(x){
36    wait  = random(80, 120);  //set a random wait period
37	  randpix = random(0, numpix  + 1); //choose a random number of pixels
38	  color = random(0, 2); //Pick either  yellow or orange
39	  for (int i = 0; i < numpix / 2; i++){ //so it leaves a certain  number of yellow pixels on (number of pixels/3)
40		  cstrip.setPixelColor(i,  255, 120, 0);  //set the number of pixels to turn on and color value (yellowish)
41	  }
42	  cstrip.show(); //turn pixels on
43  }
44  
45	if (color == 0){   //if  red was chosen
46		flickred(cstrip.Color(115, 50, 0), wait, randpix); // call  flickred and pass it the red (orangeish) color values - change values to change  color
47	} else {  // otherwise use yellow
48		flickYellow(cstrip.Color(180,  80, 0), wait, randpix); // call flickYellow and pass it the yellow color values  (change values to change color), and wait time and random pixel count
49	}
50}
51
52//  Function for when red is chosen
53void flickred(uint32_t c, uint8_t wait, uint8_t  p) {
54	if(x){
55	  for (int i = 0; i < p - 2; i++){ //loop for given random  pixel count (passed from loop)
56		  cstrip.setPixelColor(i, c);
57	  }
58	  cstrip.show();  //turn pixels on
59    x = false;
60	}else{
61	  if(millis()-prevCandleTime>wait){
62	    prevCandleTime = millis();
63    	for (int i = 0; i < p; i++) {
64		    cstrip.setPixelColor(i,  0);        //turn pixel off
65    	}	  
66    	x = true;
67	  }  
68	}
69}  //end flickred
70
71// function for when yellow is chosen
72void flickYellow(uint32_t  c, uint8_t wait, uint8_t p) {
73	if(x){
74	  for (int i = 0; i < p ; i++){ //loop  for given random pixel count (passed from loop)
75		  cstrip.setPixelColor(i,  c);
76	  }
77	  cstrip.show();  //turn pixels on
78    x = false;
79	}else{
80	  if(millis()-prevCandleTime>wait){
81	    prevCandleTime = millis();
82    	for  (int i = 0; i < p; i++) {
83		    cstrip.setPixelColor(i, 0);        //turn pixel  off
84	    }
85	    x = true;
86	  }
87	}
88}  //end flickYellow
89
90void  RGBLoop(){
91  if(millis()-currentFadeTime>fadeWait){
92    currentFadeTime =  millis();
93    if(fadeIn){
94      switch(j) { 
95        case 0: setAll(k,0,0);  break;
96        case 1: setAll(0,k,0); break;
97        case 2: setAll(0,0,k);  break;
98      }
99      fadeStrip.show();
100      if(k==255){
101        fadeIn=false;
102      } else {
103        k++;
104      }
105    } else {  // Fade OUT
106      
107      switch(j) { 
108        case 0: setAll(k,0,0); break;
109        case 1: setAll(0,k,0);  break;
110        case 2: setAll(0,0,k); break;
111      }
112      fadeStrip.show();
113      if(k==0){
114        fadeIn = true;
115        j++;
116        j%=3;
117      }  else {
118        k--;
119      }
120    }
121  }
122}
123
124void setAll(byte red,  byte green, byte blue) {
125  for(int i = 0; i < NUM_LEDS; i++ ) {
126    fadeStrip.setPixelColor(i,  fadeStrip.Color(red, green, blue));
127  }
128  fadeStrip.show();
129}