Sensitive Jack-o'-Lantern

1//Sensitive Jack-o'-lantern with ELEGOO
2
3#include <IRremote.h>
4
5//Ultrasonic  sensor
6int eco = 8;
7int trigger = 7;
8//IR Receiver Module
9int receiver  = 9;
10//variables
11int led_color = 0;
12int command = 0;
13
14IRrecv irrecv(receiver);     // create instance of 'irrecv'
15decode_results results;      // create instance  of 'decode_results'
16
17
18//This function returns a number from 0 to 11 according  which command IR Module receives
19int translateIR() // takes action based on IR  code received
20{
21
22  switch (results.value)
23
24  {                                           //Button
25    case 0xFFA25D:  return 10;   break;       //POWER
26    case 0xFFE21D:  return  11;   break;       //FUNC/STOP
27    case 0xFF6897:  return 0;    break;       //0
28    case 0xFF30CF:  return 1;    break;       //1
29    case 0xFF18E7:  return  2;    break;       //2
30    case 0xFF7A85:  return 3;    break;       //3
31    case 0xFF10EF:  return 4;    break;       //4
32    case 0xFF38C7:  return  5;    break;       //5
33    case 0xFF5AA5:  return 6;    break;       //6
34    case 0xFF42BD:  return 7;    break;       //7
35    case 0xFF4AB5:  return  8;    break;       //8
36    case 0xFF52AD:  return 9;    break;       //9
37    case 0xFFFFFFFF: return command;   break;      //REPEAT
38
39    default:
40      return command;             //OTHER
41
42  }
43  delay(500); // Do not  get immediate repeat
44
45} //END translateIR
46
47
48//This function takes  an action based on variable c which determines which LEDs turn on
49void color(int  c) {
50  switch (c) {
51    case 0:
52      digitalWrite(13, LOW);
53      digitalWrite(12,  LOW);
54      digitalWrite(11, LOW);
55      break;
56    case 1:
57      digitalWrite(13,  HIGH);
58      digitalWrite(12, LOW);
59      digitalWrite(11, LOW);
60      break;
61    case 2:
62      digitalWrite(13, LOW);
63      digitalWrite(12, HIGH);
64      digitalWrite(11, LOW);
65      break;
66    case 3:
67      digitalWrite(13,  HIGH);
68      digitalWrite(12, HIGH);
69      digitalWrite(11, LOW);
70      break;
71    case 4:
72      digitalWrite(13, LOW);
73      digitalWrite(12, LOW);
74      digitalWrite(11, HIGH);
75      break;
76    case 5:
77      digitalWrite(13,  HIGH);
78      digitalWrite(12, LOW);
79      digitalWrite(11, HIGH);
80      break;
81    case 6:
82      digitalWrite(13, LOW);
83      digitalWrite(12, HIGH);
84      digitalWrite(11, HIGH);
85      break;
86    case 7:
87      digitalWrite(13,  HIGH);
88      digitalWrite(12, HIGH);
89      digitalWrite(11, HIGH);
90      break;
91  }
92}
93//End color
94
95void setup() {
96  //IR
97  pinMode(receiver, OUTPUT);  //Pin 9
98  
99
100  //Ultrasound sensor
101  pinMode(eco, INPUT);  //Pin 8
102  pinMode(trigger, OUTPUT); //Pin 7
103
104  //Pin's LED
105  pinMode(13, OUTPUT);
106  pinMode(12, OUTPUT);
107  pinMode(11, OUTPUT);
108
109  irrecv.enableIRIn(); //  Start the receiver
110
111}
112
113void loop() {
114  
115  if (irrecv.decode(&results))  // have we received an IR signal?
116  {
117    command = translateIR();
118    if(command<=7)  color(command);
119    Serial.println(command);
120    irrecv.resume(); // receive  the next value
121  }
122
123  while (command == 11) {             // numeber 11  activates the ultrasound sensor
124    digitalWrite( trigger, LOW);
125
126    digitalWrite(  trigger, HIGH);
127
128    delayMicroseconds( 10 );
129
130    digitalWrite( trigger,  LOW );
131
132    long tm = pulseIn( eco, HIGH);
133
134    long r = 0.0343 * tm  / 2;         //cm
135    
136    delay(20);
137    
138    if (r <= 40) {  //if  r<40cm this means that someone passes in front of it
139      led_color = random(0,  8); //In this way it can light the LEDs casually
140      color(led_color);
141      delay(500);
142    }
143
144    if (irrecv.decode(&results)) // have we received  an IR signal?
145    {
146      command = translateIR();
147      Serial.println(command);
148      irrecv.resume(); // receive the next value
149
150    }
151  }
152
153
154}
155