/usr/share/fritzing/sketches/core/Fritzing Creator Kit DE+EN/creator-kit-en/Fritzing Creator Kit/Matrix/Matrix.ino is in fritzing-data 0.9.3b+dfsg-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | /*
Matrix
LED-Matrix displaying image
This example is part of the Fritzing Creator Kit: www.fritzing.org/creator-kit.
*/
// pin order for Arduino UNO
int rowPins[8] = {9,3,2,12,15,11,7,6}; // matrix rows connected to the Arduino
int colPins[8] = {13,8,17,10,5,16,4,14}; // matrix columns connected to the Arduino
// pin order for Arduino MEGA
// int rowPins[8] = {9,3,2,12,55,11,7,6}; // matrix rows connected to the Arduino
// int colPins[8] = {13,8,57,10,5,56,4,54}; // matrix columns connected to the Arduino
int image[8][8]={ // the image displayed on the matrix : 1 = LED on, 0 = LED off
{0,1,0,0,0,0,1,0},
{1,1,1,0,0,1,1,1},
{0,1,0,0,0,0,1,0},
{0,0,0,1,1,0,0,0},
{0,0,0,1,1,0,0,0},
{1,0,0,0,0,0,0,1},
{0,1,1,1,1,1,1,0},
{0,0,1,1,1,1,0,0}
};
void setup(){
for (int i=0; i<8; i++){ // all pins are declared as outputs
pinMode(rowPins[i],OUTPUT);
pinMode(colPins[i],OUTPUT);
}
}
void loop(){
for (int y=0; y<8; y++){ // rowwise
for (int x=0; x<8; x++){ // check all entries of the array from left to right
if (image[x][y]==1){ // is the entry 1
digitalWrite(colPins[x],HIGH); // switch on column pin
} else { // else
digitalWrite(colPins[x],LOW); // switch it off
}
}
digitalWrite(rowPins[y],LOW); // switch the row pin to LOW (because it is the cathode of the LED; LOW means ON)
delayMicroseconds(100); // stop the program for 100 milliseconds
digitalWrite(rowPins[y],HIGH); // switch the row pin to HIGH (this means OFF)
}
}
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