Loading...

pov display


pov display this is one of my project name :-POV display


material needed:-


  • Arduino nano (recommonded but can use any arduino)
  • 5 leds
  • 5 220 ohms resistor
  • jumper wire
  • battery
  • vero/prototyping board
  • switch (if needed)



instructions:-


  • first connect leds to vero/prototyping board


    connect the led to vero/prototyping board be careful that the led should be connected to
    digital pins 8,9,10,11,12 of arduino
  • _________________________________________________________________________________________

  • after fitting leds to vero/prototyping board cut the excess board


    cut it by using a sharp knife or scissor.
  • ________________________________________________________________________________________
  • upload the code on the arduino
  • 
    // how long each led stays on for
    int delayTime = 4;
    //how long between each 
    int charBreak = 3;
    //how long to wait after the message is finished before it repeats
    int resetTime = 20;
    
    int LED1 = 8;
    int LED2 = 9;
    int LED3 = 10;
    int LED4 = 11;
    int LED5 = 12;
    
    void setup(){
      Serial.begin(9600);
    pinMode(LED1, OUTPUT);
    pinMode(LED2, OUTPUT);
    pinMode(LED3, OUTPUT);
    pinMode(LED4, OUTPUT);
    pinMode(LED5, OUTPUT);
    }
    
    int a[] = {1, 6, 26, 6, 1};
    int b[] = {31, 21, 21, 10, 0};
    int c2[] = {14, 17, 17, 10, 0};
    int d[] = {31, 17, 17, 14, 0};
    int e[] = {31, 21, 21, 17, 0};
    int f[] = {31, 20, 20, 16, 0};
    int g[] = {14, 17, 19, 10, 0};
    int h[] = {31, 4, 4, 4, 31};
    int i[] = {0, 17, 31, 17, 0};
    int j[] = {0, 17, 30, 16, 0};
    int k[] = {31, 4, 10, 17, 0};
    int l[] = {31, 1, 1, 1, 0};
    int m[] = {31, 12, 3, 12, 31};
    int n[] = {31, 12, 3, 31, 0};
    int o[] = {14, 17, 17, 14, 0};
    int p[] = {31, 20, 20, 8, 0};
    int q[] = {14, 17, 19, 14, 2};
    int r[] = {31, 20, 22, 9, 0};
    int s[] = {8, 21, 21, 2, 0};
    int t[] = {16, 16, 31, 16, 16};
    int u[] = {30, 1, 1, 30, 0};
    int v[] = {24, 6, 1, 6, 24};
    int w[] = {28, 3, 12, 3, 28};
    int x[] = {17, 10, 4, 10, 17};
    int y[] = {17, 10, 4, 8, 16};
    int z[] = {19, 21, 21, 25, 0};
    
    int eos[] = {0, 1, 0, 0, 0};
    int excl[] = {0, 29, 0, 0, 0};
    int ques[] = {8, 19, 20, 8, 0};
    int space[] = {0, 0, 0, 0, 0};
    
    
    
    
    void displayLine(int line){
    int myline;
    myline = line;
    if (myline>=16) {digitalWrite(LED1, HIGH); myline-=16;} else {digitalWrite(LED1, LOW);}
    if (myline>=8)  {digitalWrite(LED2, HIGH); myline-=8;}  else {digitalWrite(LED2, LOW);}
    if (myline>=4)  {digitalWrite(LED3, HIGH); myline-=4;}  else {digitalWrite(LED3, LOW);}
    if (myline>=2)  {digitalWrite(LED4, HIGH); myline-=2;}  else {digitalWrite(LED4, LOW);}
    if (myline>=1)  {digitalWrite(LED5, HIGH); myline-=1;}  else {digitalWrite(LED5, LOW);}
    }
    
    void displayChar(char c){
    if (c == 'a'){for (int i = 0; i <5; i++){displayLine(a[i]);delay(delayTime);}displayLine(0);}
    if (c == 'b'){for (int i = 0; i <5; i++){displayLine(b[i]);delay(delayTime);}displayLine(0);}
    if (c == 'c2'){for (int i = 0; i <5; i++){displayLine(c2[i]);delay(delayTime);}displayLine(0);}
    if (c == 'd'){for (int i = 0; i <5; i++){displayLine(d[i]);delay(delayTime);}displayLine(0);}
    if (c == 'e'){for (int i = 0; i <5; i++){displayLine(e[i]);delay(delayTime);}displayLine(0);}
    if (c == 'f'){for (int i = 0; i <5; i++){displayLine(f[i]);delay(delayTime);}displayLine(0);}
    if (c == 'g'){for (int i = 0; i <5; i++){displayLine(g[i]);delay(delayTime);}displayLine(0);}
    if (c == 'h'){for (int i = 0; i <5; i++){displayLine(h[i]);delay(delayTime);}displayLine(0);}
    if (c == 'i'){for (int it = 0; it <5; it++){displayLine(i[it]);delay(delayTime);}displayLine(0);}
    if (c == 'j'){for (int i = 0; i <5; i++){displayLine(j[i]);delay(delayTime);}displayLine(0);}
    if (c == 'k'){for (int i = 0; i <5; i++){displayLine(k[i]);delay(delayTime);}displayLine(0);}
    if (c == 'l'){for (int i = 0; i <5; i++){displayLine(l[i]);delay(delayTime);}displayLine(0);}
    if (c == 'm'){for (int i = 0; i <5; i++){displayLine(m[i]);delay(delayTime);}displayLine(0);}
    if (c == 'n'){for (int i = 0; i <5; i++){displayLine(n[i]);delay(delayTime);}displayLine(0);}
    if (c == 'o'){for (int i = 0; i <5; i++){displayLine(o[i]);delay(delayTime);}displayLine(0);}
    if (c == 'p'){for (int i = 0; i <5; i++){displayLine(p[i]);delay(delayTime);}displayLine(0);}
    if (c == 'q'){for (int i = 0; i <5; i++){displayLine(q[i]);delay(delayTime);}displayLine(0);}
    if (c == 'r'){for (int i = 0; i <5; i++){displayLine(r[i]);delay(delayTime);}displayLine(0);}
    if (c == 's'){for (int i = 0; i <5; i++){displayLine(s[i]);delay(delayTime);}displayLine(0);}
    if (c == 't'){for (int i = 0; i <5; i++){displayLine(t[i]);delay(delayTime);}displayLine(0);}
    if (c == 'u'){for (int i = 0; i <5; i++){displayLine(u[i]);delay(delayTime);}displayLine(0);}
    if (c == 'v'){for (int i = 0; i <5; i++){displayLine(v[i]);delay(delayTime);}displayLine(0);}
    if (c == 'w'){for (int i = 0; i <5; i++){displayLine(w[i]);delay(delayTime);}displayLine(0);}
    if (c == 'x'){for (int i = 0; i <5; i++){displayLine(x[i]);delay(delayTime);}displayLine(0);}
    if (c == 'y'){for (int i = 0; i <5; i++){displayLine(y[i]);delay(delayTime);}displayLine(0);}
    if (c == 'z'){for (int i = 0; i <5; i++){displayLine(z[i]);delay(delayTime);}displayLine(0);}
    if (c == '!'){for (int i = 0; i <5; i++){displayLine(excl[i]);delay(delayTime);}displayLine(0);}
    if (c == '?'){for (int i = 0; i <5; i++){displayLine(ques[i]);delay(delayTime);}displayLine(0);}
    if (c == '.'){for (int i = 0; i <5; i++){displayLine(eos[i]);delay(delayTime);}displayLine(0);}
    if (c == ' '){for (int i = 0; i <5; i++){displayLine(space[i]);delay(delayTime);}displayLine(0);}
    
    delay(charBreak);
    }
    
    void displayString(char* s){
      for (int i = 0; i<=strlen(s); i++){
      displayChar(s[i]);
      }
    }
    
    void loop(){
      //Change the text inside here to change the text displayed.
      //Make sure to keep the brackets and the quotation marks.
    displayString("welcome");
    delay(40);
    }
    
    
    __________________________________________________________________________________________
  • let's test it
    this video is plaing in slow motion


    I suggest you that to use this device you should have a strong hand because you have to shake it