i built my POV device similar to the one in this site(Loading...) but the code isn’t working. help pls :-/
// defining the alphabet
int _ = {0,0,0,0,0, 0,0,0,0,0, 0,0,0,0,0};
int A = {0,1,1,1,1, 1,0,1,0,0, 0,1,1,1,1};
int B = {1,1,1,1,1, 1,0,1,0,1, 0,1,0,1,0};
int C = {0,1,1,1,0, 1,0,0,0,1, 1,0,0,0,1};
int D = {1,1,1,1,1, 1,0,0,0,1, 0,1,1,1,0};
int E = {1,1,1,1,1, 1,0,1,0,1, 1,0,1,0,1};
int F = {1,1,1,1,1, 1,0,1,0,0, 1,0,1,0,0};
int G = {0,1,1,1,0, 1,0,1,0,1, 0,0,1,1,0};
int H = {1,1,1,1,1, 0,0,1,0,0, 1,1,1,1,1};
int I = {0,0,0,0,1, 1,0,1,1,1, 0,0,0,0,1};
int J = {1,0,0,0,0, 1,0,0,0,1, 1,1,1,1,1};
int K = {1,1,1,1,1, 0,0,1,0,0, 0,1,0,1,1};
int L = {1,1,1,1,1, 0,0,0,0,1, 0,0,0,0,1};
int M = {1,1,1,1,1, 0,1,1,0,0, 0,1,1,1,1};
int N = {1,1,1,1,1, 1,0,0,0,0, 0,1,1,1,1};
int O = {0,1,1,1,0, 1,0,0,0,1, 0,1,1,1,0};
int P = {1,1,1,1,1, 1,0,1,0,0, 0,1,0,0,0};
int Q = {0,1,1,1,1, 1,0,0,1,1, 0,1,1,1,1};
int R = {1,1,1,1,1, 1,0,1,0,0, 0,1,0,1,1};
int S = {0,1,0,0,1, 1,0,1,0,1, 1,0,0,1,0};
int T = {1,0,0,0,0, 1,1,1,1,1, 1,0,0,0,0};
int U = {1,1,1,1,1, 0,0,0,0,1, 1,1,1,1,1};
int V = {1,1,1,1,0, 0,0,0,0,1, 1,1,1,1,0};
int W = {1,1,1,1,0, 0,0,1,1,0, 1,1,1,1,0};
int X = {1,1,0,1,1, 0,0,1,0,0, 1,1,0,1,1};
int Y = {1,1,0,0,0, 0,0,1,0,0, 1,1,1,1,1};
int Z = {1,0,0,1,1, 1,0,1,0,1, 1,1,0,0,1};
int letterSpace;
int dotTime;
void setup()
{
// setting the ports of the leds to OUTPUT
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
// defining the space between the letters (ms)
letterSpace = 6;
// defining the time dots appear (ms)
dotTime = 3;
}
void printLetter(int letter)
{
int y;
// printing the first y row of the letter
for (y=0; y<5; y++)
{
digitalWrite(y+2, letter[y]);
}
delay(dotTime);
// printing the second y row of the letter
for (y=0; y<5; y++)
{
digitalWrite(y+2, letter[y+5]);
}
delay(dotTime);
// printing the third y row of the letter
for (y=0; y<5; y++)
{
digitalWrite(y+2, letter[y+10]);
}
delay(dotTime);
// printing the sspace between the letters
for (y=0; y<5; y++)
{
digitalWrite(y+2, 0);
}
delay(letterSpace);
}
void loop()
{
// printing some letters
printLetter(N);
printLetter(E);
printLetter(R);
printLetter(D);
printLetter(S);
printLetter(_);
}