# 8bit Number Display

We convert a decimal number between 0 and 255 to binary and then show the number by using 8 LED.

EasyFull instructions provided1 hour784

## Things used in this project

### Hardware components

 Arduino UNO & Genuino UNO
×1
 SparkFun LilyPad LED White (5pcs)
×1
 Jumper wires (generic)
×1
 Resistor 10k ohm
×1
×1

### Software apps and online services

 Arduino IDE
 Microsoft Visual Studio 2015

do it for 8 led

## Code

### Code

C/C++
```int p0 = 2;
int p1 = 3;
int p2 = 4;
int p3 = 5;
int p4 = 6;
int p5 = 7;
int p6 = 8;
int p7 = 9;

void setup() {
Serial.begin(9600);
pinMode(p0, OUTPUT);
pinMode(p1, OUTPUT);
pinMode(p2, OUTPUT);
pinMode(p3, OUTPUT);
pinMode(p4, OUTPUT);
pinMode(p5, OUTPUT);
pinMode(p6, OUTPUT);
pinMode(p7, OUTPUT);

}

void loop() {

}
//////////////////
String Splitter(String data, char separator, int index)
{
int found = 0;
int strIndex[] = { 0, -1 };
int maxIndex = data.length() - 1;

for (int i = 0; i <= maxIndex && found <= index; i++) {
if (data.charAt(i) == separator || i == maxIndex) {
found++;
strIndex[0] = strIndex[1] + 1;
strIndex[1] = (i == maxIndex) ? i+1 : i;
}
}
return found > index ? data.substring(strIndex[0], strIndex[1]) : "";
}
///////////////////////////
void serialEvent (){
_clear();
String serialResponse = Serial.readString();
String Number = Splitter(serialResponse, ';', 0);
String led0 = Splitter(serialResponse, ';', 1);
String led1 = Splitter(serialResponse, ';', 2);
String led2 = Splitter(serialResponse, ';', 3);
String led3 = Splitter(serialResponse, ';', 4);
String led4 = Splitter(serialResponse, ';', 5);
String led5 = Splitter(serialResponse, ';', 6);
String led6 = Splitter(serialResponse, ';', 7);
String led7 = Splitter(serialResponse, ';', 8);
if (led0 == "1") digitalWrite(p0, HIGH);
if (led1 == "1") digitalWrite(p1, HIGH);
if (led2 == "1") digitalWrite(p2, HIGH);
if (led3 == "1") digitalWrite(p3, HIGH);
if (led4 == "1") digitalWrite(p4, HIGH);
if (led5 == "1") digitalWrite(p5, HIGH);
if (led6 == "1") digitalWrite(p6, HIGH);
if (led7 == "1") digitalWrite(p7, HIGH);
}
void _clear()
{
digitalWrite(p0, LOW);
digitalWrite(p1, LOW);
digitalWrite(p2, LOW);
digitalWrite(p3, LOW);
digitalWrite(p4, LOW);
digitalWrite(p5, LOW);
digitalWrite(p6, LOW);
digitalWrite(p7, LOW);

}

```

## Credits

### Alireza Karkon

7 projects • 20 followers
Hey guys! I'm Alireza. I'm a student (Bachelor of Technology)-Computer EngrgTech. I'm C# / C++ / Unity programmer and familiar to Front-End.