LED Metrix 4X5

#define ROW1 A0
#define ROW2 A1
#define ROW3 A2
#define ROW4 A3
#define ROW5 A4

#define COL1 2
#define COL2 3
#define COL3 4
#define COL4 5

const byte rows[]{
  ROW1,ROW2,ROW3,ROW4,ROW5
};

void setColumns(byte b) {
    digitalWrite(COL1, (~b >> 0) & 0x01); // Get the 1st bit: 10000000
    digitalWrite(COL2, (~b >> 1) & 0x01); // Get the 2nd bit: 01000000
    digitalWrite(COL3, (~b >> 2) & 0x01); // Get the 3rd bit: 00100000
    digitalWrite(COL4, (~b >> 3) & 0x01); // Get the 4th bit: 00010000
}

//fonts

byte OFF[] = {B0000,B0000,B0000,B0000,B0000};
byte ALL[] = {B1111,B1111,B1111,B1111,B1111};
byte A[] = {B1111,B1001,B1111,B1001,B1001};
byte S[] = {B1111,B0001,B1111,B1000,B1111};
byte U[] = {B1001,B1001,B1001,B1001,B1111};
byte H[] = {B1001,B1001,B1111,B1001,B1001};
byte D[] = {B1111,B1010,B1010,B1010,B1111};
byte E[] = {B1111,B0001,B0111,B0001,B1111};
byte R[] = {B1111,B1001,B1111,B0101,B1001};
byte J[] = {B1111,B1111,B0110,B0110,B0011};
byte N[] = {B1001,B1011,B1111,B1101,B1001};
byte I[] ={B1111,B0110,B0110,B0110,B1111};



void  drawScreen(byte buffer2[]){
    for (byte i = 0; i < 5; i++) {
    setColumns(buffer2[i]); // Set columns for this specific row
          
    digitalWrite(rows[i], HIGH);
    delay(2); // Set this to 50 or 100 if you want to see the multiplexing effect!
    digitalWrite(rows[i], LOW);
        
    }
}

float timeCount = 0;

void setup() {
  // Serial.begin(9600);
  for (byte i = 2; i <= 5; i++)
  pinMode(i, OUTPUT);


  pinMode(A0, OUTPUT);
  pinMode(A1, OUTPUT);
  pinMode(A2, OUTPUT);
  pinMode(A3, OUTPUT);
  pinMode(A4, OUTPUT);
  

}

void loop() {
    delay(1);
  timeCount += 1;
  

if(timeCount <  80) 
{
drawScreen(OFF);
} 
else if (timeCount <  160) 
{
drawScreen(OFF);
} 
else if (timeCount <  240) 
{
drawScreen(S);
} 
else if (timeCount <  320) 
{
drawScreen(OFF);
} 
else if (timeCount <  400) 
{
drawScreen(U);
} 
else if (timeCount <  480) 
{
drawScreen(OFF);
} 
else if (timeCount <  560) 
{
drawScreen(D);
} 
else if (timeCount <  640) 
{
drawScreen(OFF);
} 
else if (timeCount <  720) 
{
drawScreen(E);
} 
else if (timeCount <  800) 
{
drawScreen(OFF);
} 
else if (timeCount <  880) 
{
drawScreen(E);
} 
else if (timeCount <  960) 
{
drawScreen(OFF);
} 
else if (timeCount <  1040) 
{
drawScreen(R);
} 
else if (timeCount <  1120) 
{
drawScreen(OFF);
} 
else if (timeCount <  1200) 
{
drawScreen(A);
} 
else if (timeCount <  1280) 
{
drawScreen(OFF);
} 
else if (timeCount <  1360) 
{
drawScreen(ALL);
} 
else if (timeCount <  1440) 
{
drawScreen(OFF);
} 
else {
// back to the start
timeCount = 0;
}


  

}