User manual

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int e = 5;
int f = 6;
int g = 7;
int p = 8;
//set cathode interface
int d4 = 9;
int d3 = 10;
int d2 = 11;
int d1 = 12;
// Set variables
long n = 0;
int x = 100;
int del = 55; // This number is fine-tuning of the clock
void setup()
{
pinMode(d1, OUTPUT);
pinMode(d2, OUTPUT);
pinMode(d3, OUTPUT);
pinMode(d4, OUTPUT);
pinMode(a, OUTPUT);
pinMode(b, OUTPUT);
pinMode(c, OUTPUT);
pinMode(d, OUTPUT);
pinMode(e, OUTPUT);
pinMode(f, OUTPUT);
pinMode(g, OUTPUT);
pinMode(p, OUTPUT);
}
void loop()
{
clearLEDs();
pickDigit(1);
pickNumber((n/x/1000)%10);
delayMicroseconds(del);
clearLEDs();
pickDigit(2);
pickNumber((n/x/100)%10);
delayMicroseconds(del);
clearLEDs();
pickDigit(3);
dispDec(3);