BLINK Hat

Want a hat that gives you the power to control the light sequence? Well, this hat lights up and changes with just the press of a button.

Oct 21, 2019

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wearables

lights

embedded

Components and supplies

Hat

LilyPad Button Board

Snap Button

Sewable Conductive Thread

Arduino LilyPad USB

Metal rings

Battery, 3.7 V

LilyPad Rainbow LED (6 Colors)

Tools and machines

Hot glue gun (generic)

Sewing Needle

Apps and platforms

Arduino IDE

Project description

Code

arduino

1int button = A4;
2int first = 6;
3int second = A8;
4int third =   A7;
5int leds[] = {first, second, third};
6int mode = 0;
7bool buttonPressed   = false;
8
9void setup() {
10  // put your setup code here, to run once:
11   pinMode(first, OUTPUT);
12  pinMode(second, OUTPUT);
13  pinMode(third, OUTPUT);
14   pinMode(button, INPUT_PULLUP);
15}
16
17bool checkButton(){
18  if(!digitalRead(button)){
19     buttonPressed = true;
20  }
21}
22
23void modeOne(int speed){
24  for(int   i = 0; i < 255; i += 3){
25    analogWrite(first, i);
26    analogWrite(second,   (i + 255/3) % 255);
27    analogWrite(third, (i + 255/3) % 255);
28    checkButton();
29     delay(speed);
30  }
31  for(int i = 255; i >= 0; i -= 3){
32    analogWrite(first,   i);
33    analogWrite(second, (i + 255/3) % 255);
34    analogWrite(third, (i   + 255/3) % 255);
35    checkButton();
36    delay(speed);
37  }
38}
39
40void   modeTwo(int speed){
41  // modulus(%) is your friend
42  //so the count (i) keeps   going up. but using % makes it loop
43  for(int i = 0; i < 3; i++){
44    digitalWrite(leds[i   % 3], HIGH);
45    digitalWrite(leds[(i + 1) % 3], LOW);
46    digitalWrite(leds[(i   + 2) % 3], LOW);
47    checkButton();
48    delay(speed);
49  }
50  for(int   i = 1; i >= 1; i--){
51    digitalWrite(leds[i % 3], HIGH);
52    digitalWrite(leds[(i   + 1) % 3], LOW);
53    digitalWrite(leds[(i + 2) % 3], LOW);
54    checkButton();
55     delay(speed);
56  }
57}
58
59int numberOfModes = 2;
60
61void loop() {
62   switch(mode){
63    case 0:
64      modeOne(20);
65      break;
66    case   1:
67      modeTwo(200);
68      break;
69  }
70  
71  if(buttonPressed){
72     mode = (mode + 1) % numberOfModes;
73    buttonPressed = false;
74  }
75
76}

int button = A4;
int first = 6;
int second = A8;
int third =   A7;
int leds[] = {first, second, third};
int mode = 0;
bool buttonPressed   = false;

void setup() {
  // put your setup code here, to run once:
   pinMode(first, OUTPUT);
  pinMode(second, OUTPUT);
  pinMode(third, OUTPUT);
   pinMode(button, INPUT_PULLUP);
}

bool checkButton(){
  if(!digitalRead(button)){
     buttonPressed = true;
  }
}

void modeOne(int speed){
  for(int   i = 0; i < 255; i += 3){
    analogWrite(first, i);
    analogWrite(second,   (i + 255/3) % 255);
    analogWrite(third, (i + 255/3) % 255);
    checkButton();
     delay(speed);
  }
  for(int i = 255; i >= 0; i -= 3){
    analogWrite(first,   i);
    analogWrite(second, (i + 255/3) % 255);
    analogWrite(third, (i   + 255/3) % 255);
    checkButton();
    delay(speed);
  }
}

void   modeTwo(int speed){
  // modulus(%) is your friend
  //so the count (i) keeps   going up. but using % makes it loop
  for(int i = 0; i < 3; i++){
    digitalWrite(leds[i   % 3], HIGH);
    digitalWrite(leds[(i + 1) % 3], LOW);
    digitalWrite(leds[(i   + 2) % 3], LOW);
    checkButton();
    delay(speed);
  }
  for(int   i = 1; i >= 1; i--){
    digitalWrite(leds[i % 3], HIGH);
    digitalWrite(leds[(i   + 1) % 3], LOW);
    digitalWrite(leds[(i + 2) % 3], LOW);
    checkButton();
     delay(speed);
  }
}

int numberOfModes = 2;

void loop() {
   switch(mode){
    case 0:
      modeOne(20);
      break;
    case   1:
      modeTwo(200);
      break;
  }
  
  if(buttonPressed){
     mode = (mode + 1) % numberOfModes;
    buttonPressed = false;
  }

}

Code

arduino

1int button = A4;
2int first = 6;
3int second = A8;
4int third =  A7;
5int leds[] = {first, second, third};
6int mode = 0;
7bool buttonPressed  = false;
8
9void setup() {
10  // put your setup code here, to run once:
11  pinMode(first, OUTPUT);
12  pinMode(second, OUTPUT);
13  pinMode(third, OUTPUT);
14  pinMode(button, INPUT_PULLUP);
15}
16
17bool checkButton(){
18  if(!digitalRead(button)){
19    buttonPressed = true;
20  }
21}
22
23void modeOne(int speed){
24  for(int  i = 0; i < 255; i += 3){
25    analogWrite(first, i);
26    analogWrite(second,  (i + 255/3) % 255);
27    analogWrite(third, (i + 255/3) % 255);
28    checkButton();
29    delay(speed);
30  }
31  for(int i = 255; i >= 0; i -= 3){
32    analogWrite(first,  i);
33    analogWrite(second, (i + 255/3) % 255);
34    analogWrite(third, (i  + 255/3) % 255);
35    checkButton();
36    delay(speed);
37  }
38}
39
40void  modeTwo(int speed){
41  // modulus(%) is your friend
42  //so the count (i) keeps  going up. but using % makes it loop
43  for(int i = 0; i < 3; i++){
44    digitalWrite(leds[i  % 3], HIGH);
45    digitalWrite(leds[(i + 1) % 3], LOW);
46    digitalWrite(leds[(i  + 2) % 3], LOW);
47    checkButton();
48    delay(speed);
49  }
50  for(int  i = 1; i >= 1; i--){
51    digitalWrite(leds[i % 3], HIGH);
52    digitalWrite(leds[(i  + 1) % 3], LOW);
53    digitalWrite(leds[(i + 2) % 3], LOW);
54    checkButton();
55    delay(speed);
56  }
57}
58
59int numberOfModes = 2;
60
61void loop() {
62  switch(mode){
63    case 0:
64      modeOne(20);
65      break;
66    case  1:
67      modeTwo(200);
68      break;
69  }
70  
71  if(buttonPressed){
72    mode = (mode + 1) % numberOfModes;
73    buttonPressed = false;
74  }
75
76}

int button = A4;
int first = 6;
int second = A8;
int third =  A7;
int leds[] = {first, second, third};
int mode = 0;
bool buttonPressed  = false;

void setup() {
  // put your setup code here, to run once:
  pinMode(first, OUTPUT);
  pinMode(second, OUTPUT);
  pinMode(third, OUTPUT);
  pinMode(button, INPUT_PULLUP);
}

bool checkButton(){
  if(!digitalRead(button)){
    buttonPressed = true;
  }
}

void modeOne(int speed){
  for(int  i = 0; i < 255; i += 3){
    analogWrite(first, i);
    analogWrite(second,  (i + 255/3) % 255);
    analogWrite(third, (i + 255/3) % 255);
    checkButton();
    delay(speed);
  }
  for(int i = 255; i >= 0; i -= 3){
    analogWrite(first,  i);
    analogWrite(second, (i + 255/3) % 255);
    analogWrite(third, (i  + 255/3) % 255);
    checkButton();
    delay(speed);
  }
}

void  modeTwo(int speed){
  // modulus(%) is your friend
  //so the count (i) keeps  going up. but using % makes it loop
  for(int i = 0; i < 3; i++){
    digitalWrite(leds[i  % 3], HIGH);
    digitalWrite(leds[(i + 1) % 3], LOW);
    digitalWrite(leds[(i  + 2) % 3], LOW);
    checkButton();
    delay(speed);
  }
  for(int  i = 1; i >= 1; i--){
    digitalWrite(leds[i % 3], HIGH);
    digitalWrite(leds[(i  + 1) % 3], LOW);
    digitalWrite(leds[(i + 2) % 3], LOW);
    checkButton();
    delay(speed);
  }
}

int numberOfModes = 2;

void loop() {
  switch(mode){
    case 0:
      modeOne(20);
      break;
    case  1:
      modeTwo(200);
      break;
  }
  
  if(buttonPressed){
    mode = (mode + 1) % numberOfModes;
    buttonPressed = false;
  }

}

Downloadable files

Diagram

Schematics

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