// 7 Segment Common Anode
#define aPin 7 //
#define bPin 6 // _____
#define cPin 3 // | A |
#define dPin 4 // F |_____| B
#define ePin 5 // | G |
#define fPin 8 // E |_____| C
#define gPin 9 // D O dot
// Pin configuration
#define PIN_BUTTON A0
#define PIN_BUZZER 10
const byte PIN_CHAOS = A5; // Unconnected analog pin used to initialize RNG
// Other configuration
const unsigned int BEEP_FREQUENCY = 3000;
int On=1; //<On=0; for Common anode><On=1; for Common cathode>
int Off;
void setup() {
randomSeed(analogRead(PIN_CHAOS));
pinMode(aPin, OUTPUT);
pinMode(bPin, OUTPUT);
pinMode(cPin, OUTPUT);
pinMode(dPin, OUTPUT);
pinMode(ePin, OUTPUT);
pinMode(fPin, OUTPUT);
pinMode(gPin, OUTPUT);
pinMode(PIN_BUTTON, INPUT_PULLUP); // On button pin as input with pullup
pinMode(PIN_BUZZER, OUTPUT); // On buzzer pin as output
// Indicate that system is ready
for (int i = 9; i >=0; i--) {
showNumber(i);
tone(PIN_BUZZER, BEEP_FREQUENCY, 100);
delay(300);
}
tone(PIN_BUZZER, BEEP_FREQUENCY, 250); // Beep when done
delay(1000); // Wait for 1 second
}
void loop() {
// Wait for button to be pressed, then run the test routine
int buttonState = digitalRead(PIN_BUTTON);
if (buttonState == LOW) {
rollTheDice(10,100); // Show the rolling animation
rollTheDice(5, 200);
rollTheDice(3, 300);
rollTheDice(1, 100);
tone(PIN_BUZZER, BEEP_FREQUENCY, 250); // Beep when done
}
}
void rollTheDice(int count, int delayLength) {
for (int i = 0; i < count; i++) {
int number = random(1,7); // Get random number from 1 to 6
tone(PIN_BUZZER, BEEP_FREQUENCY, 5); // Beep very shortly ("click")
showNumber(number); // Show the number
delay(delayLength); // Wait
}
}
void showNumber(int x){
if(On==1){Off=0;}
else{Off=1;}
switch(x){
case 1: one(); break;
case 2: two(); break;
case 3: three(); break;
case 4: four(); break;
case 5: five(); break;
case 6: six(); break;
case 7: seven(); break;
case 8: eight(); break;
case 9: nine(); break;
default: zero(); break;
}
}
void one()
{
digitalWrite( aPin, On); //
digitalWrite( bPin, Off); // |
digitalWrite( cPin, Off); // |
digitalWrite( dPin, On); // |
digitalWrite( ePin, On); // |
digitalWrite( fPin, On);
digitalWrite( gPin, On);
}
void two(){
digitalWrite( aPin, Off); // ____
digitalWrite( bPin, Off); // |
digitalWrite( cPin, On); // ____|
digitalWrite( dPin, Off); // |
digitalWrite( ePin, Off); // |____
digitalWrite( fPin, On);
digitalWrite( gPin, Off);
}
void three(){
digitalWrite( aPin, Off); // ____
digitalWrite( bPin, Off); // |
digitalWrite( cPin, Off); // ____|
digitalWrite( dPin, Off); // |
digitalWrite( ePin, On); // ____|
digitalWrite( fPin, On);
digitalWrite( gPin, Off);
}
void four(){
digitalWrite( aPin, On); //
digitalWrite( bPin, Off); // | |
digitalWrite( cPin, Off); // |____|
digitalWrite( dPin, On); // |
digitalWrite( ePin, On); // |
digitalWrite( fPin, Off);
digitalWrite( gPin, Off);
}
void five(){
digitalWrite( aPin, Off); // ____
digitalWrite( bPin, On); // |
digitalWrite( cPin, Off); // |____
digitalWrite( dPin, Off); // |
digitalWrite( ePin, On); // ____|
digitalWrite( fPin, Off);
digitalWrite( gPin, Off);
}
void six(){
digitalWrite( aPin, Off); // ____
digitalWrite( bPin, On); // |
digitalWrite( cPin, Off); // |____
digitalWrite( dPin, Off); // | |
digitalWrite( ePin, Off); // |____|
digitalWrite( fPin, Off);
digitalWrite( gPin, Off);
}
void seven(){
digitalWrite( aPin, Off); // ____
digitalWrite( bPin, Off); // |
digitalWrite( cPin, Off); // |
digitalWrite( dPin, On); // |
digitalWrite( ePin, On); // |
digitalWrite( fPin, On);
digitalWrite( gPin, On);
}
void eight(){
digitalWrite( aPin, Off); // ____
digitalWrite( bPin, Off); // | |
digitalWrite( cPin, Off); // |____|
digitalWrite( dPin, Off); // | |
digitalWrite( ePin, Off); // |____|
digitalWrite( fPin, Off);
digitalWrite( gPin, Off);
}
void nine(){
digitalWrite( aPin, Off); // ____
digitalWrite( bPin, Off); // | |
digitalWrite( cPin, Off); // |____|
digitalWrite( dPin, Off); // |
digitalWrite( ePin, On); // ____|
digitalWrite( fPin, Off);
digitalWrite( gPin, Off);
}
void zero(){
digitalWrite( aPin, Off); // ____
digitalWrite( bPin, Off); // | |
digitalWrite( cPin, Off); // | |
digitalWrite( dPin, Off); // | |
digitalWrite( ePin, Off); // |____|
digitalWrite( fPin, Off);
digitalWrite( gPin, On);
}
