Added Read me that you wrote, and Add 7 segment hours display :)

ELTN-117_Clock.ino

@@ -19,6 +19,8 @@ const int minDisplay[] = {8, 9, 10, 11};
 const int loadTens = 13;
 const int loadOnes = 12;
 const int hourDisplay[] = {A0, A1, A2, A3};
+const int HrLdOnes = A4
+const int MinLdTens = A5
 
 // Constants
 const int ticksPerMinute = 3600; // Set to 60 for testing
@@ -207,6 +209,15 @@ void displayHour(int h, bool pm) {
   writeBus(hourDisplay, 4, h - 1);
   digitalWrite(pmLED, pm);
 }
+//Code for a second 7-Seg Display :) -J
+void SevSegDisHr(int w){
+writeBus(minDisplay, 4, w / 10);
+digitalWrite(MinLdTens, HIGH);
+digitalWrite(MinLdTens, LOW);
+writeBus(minDisplay, 4, w % 10);
+digitalWrite(HrLdOnes, HIGH);
+digitalWrite(HrLdOnes, LOW);
+}
 
 // Displays the minute
 void displayMinute(int m) {

ELTN.117_Clock.ino

@@ -0,0 +1,231 @@
+/**
+  \file ELTN.117_Clock_Code.ino
+  \author Kyle Lomen ([email protected])
+  \brief
+  \version 1.0
+  \date 05/26/2023
+
+*/
+
+// Pin Definitions
+const int clockIn = 2;
+const int minSet = 3;
+const int hourSet = 4;
+const int alarmSet = 5;
+const int pmLED = 6;
+const int speaker = 7;
+const int minDisplay[] = {8, 9, 10, 11};
+const int loadTens = 13;
+const int loadOnes = 12;
+const int hourDisplay[] = {A0, A1, A2, A3};
+const int HrLdOnes = A4;
+const int MinLdTens = A5;
+
+// Constants
+const int ticksPerMinute = 60; // Set to 60*60 for the final program
+
+// Main Time
+int hour = 12;
+int minute = 0;
+bool isPM = true;
+
+// Alarm Time
+int alarmHour = 12;
+int alarmMinute = 0;
+bool alarmIsPM = false;
+
+volatile int tickCount = 0;
+
+// 60Hz interrupt function
+void tick() {
+  tickCount++;
+}
+
+// Plays the alarm sound
+void playAlarm() {
+  const double tempo = 60000 / 130;
+  for(int i = 0; i < 5; i++) {
+    tone(speaker, 659); // E5
+    delay(.5 * tempo); 
+    tone(speaker, 587); // D5
+    delay(.5 * tempo);
+    tone(speaker, 370); // FS4
+    delay(tempo);
+    tone(speaker, 415); // GS4
+    delay(tempo);
+    tone(speaker, 554); // CS5
+    delay(.5 * tempo);
+    tone(speaker, 494); // B4
+    delay(.5 * tempo);
+    tone(speaker, 294); // D4
+    delay(tempo);
+    tone(speaker, 330); // E4
+    delay(tempo);
+    tone(speaker, 494); // B4
+    delay(.5 * tempo);
+    tone(speaker, 440); // A4
+    delay(.5 * tempo);
+    tone(speaker, 277); // CS4
+    delay(tempo);
+    tone(speaker, 330); // E4
+    delay(tempo);
+    tone(speaker, 440); // A4
+    delay(3 * tempo);
+    noTone(speaker);
+    delay(tempo);
+  }
+}
+
+// Checks if the alarm should go off
+void handleAlarm() {
+  if(isPM = alarmIsPM && hour == alarmHour && minute == alarmMinute) {
+    playAlarm();
+  }
+}
+
+// Makes sure the time is set from the ticks
+void handleTime() {
+  if(tickCount >= ticksPerMinute) {
+    tickCount -= ticksPerMinute; // Subtract instead of setting to zero to avoid losing missed ticks
+    minute++;
+    if(minute >= 60) {
+      hour++;
+      minute = 0;
+      if(hour == 12) {
+        isPM = !isPM;
+      }
+      else if(hour > 12) {
+        hour = 1;
+      }
+    }
+    handleAlarm(); // Runs only once per minute
+  }
+}
+
+// Handles the button presses
+void handleButtons() {
+  if(!digitalRead(hourSet)) {
+    if(digitalRead(alarmSet)) { // Alarm set is not pressed
+      tickCount = 0;
+      hour++;
+      if(hour == 12) {
+        isPM = !isPM;
+      }
+      else if(hour > 12) {
+        hour = 1;
+      }
+    }
+    else { // Alarm set is pressed
+      alarmHour++;
+      if(alarmHour == 12) {
+        alarmIsPM = !alarmIsPM;
+      }
+      else if(alarmHour > 12) {
+        alarmHour = 1;
+      }
+    }
+    displayTime();
+    while(!digitalRead(hourSet)) {
+      delay(35);
+    }
+  }
+  if(!digitalRead(minSet)) {
+    if(digitalRead(alarmSet)) { // Alarm set is not pressed
+      tickCount = 0;
+      minute++;
+      if(minute >= 60) {
+        minute = 0;
+      }
+    }
+    else { // Alarm set is pressed
+      alarmMinute++;
+      if(alarmMinute >= 60) {
+        alarmMinute = 0;
+      }
+    }
+    displayTime();
+    while(!digitalRead(minSet)) {
+      delay(35);
+    }
+  }
+}
+
+// Writes a value to the bus of the given size
+// Note: only works for size less than 8
+void writeBus(const int bus[], int size, byte value) {
+  for(int i = 0; i < size; i++) {
+    if(value & (1 << i)) {
+      digitalWrite(bus[i], HIGH);
+    }
+    else {
+      digitalWrite(bus[i], LOW);
+    }
+  }
+}
+
+// Displays the hour
+void displayHour(int h, bool pm) {
+  writeBus(hourDisplay, 4, h - 1);
+  digitalWrite(pmLED, pm);
+  SevSegDisHr(h);
+}
+
+
+void SevSegDisHr(int w){
+writeBus(minDisplay, 4, w / 10);
+digitalWrite(MinLdTens, HIGH);
+digitalWrite(MinLdTens, LOW);
+writeBus(minDisplay, 4, w % 10);
+digitalWrite(HrLdOnes, HIGH);
+digitalWrite(HrLdOnes, LOW);
+}
+
+// Displays the minute
+void displayMinute(int m) {
+  writeBus(minDisplay, 4, m / 10);
+  digitalWrite(loadTens, HIGH);
+  digitalWrite(loadTens, LOW);
+  writeBus(minDisplay, 4, m % 10);
+  digitalWrite(loadOnes, HIGH);
+  digitalWrite(loadOnes, LOW);
+}
+
+// Displays the time
+void displayTime() {
+  if(digitalRead(alarmSet)) { // Alarm Set is not pressed
+    displayHour(hour, isPM);
+    displayMinute(minute);
+  }
+  else {
+    displayHour(alarmHour, alarmIsPM);
+    displayMinute(alarmMinute);
+  }
+}
+
+void setup() {
+  pinMode(clockIn, INPUT);
+  pinMode(minSet, INPUT_PULLUP);
+  pinMode(hourSet, INPUT_PULLUP);
+  pinMode(alarmSet, INPUT_PULLUP);
+  pinMode(pmLED, OUTPUT);
+  pinMode(speaker, OUTPUT);
+  for (int p : minDisplay) {
+    pinMode(p, OUTPUT);
+  }
+  pinMode(loadTens, OUTPUT);
+  pinMode(loadOnes, OUTPUT);
+  for (int p : hourDisplay) {
+    pinMode(p, OUTPUT);
+
+  pinMode(HrLdOnes, OUTPUT)
+  pinMode(MinLdTens, OUTPUT)
+  }
+
+  attachInterrupt(digitalPinToInterrupt(clockIn), tick, RISING);
+}
+
+void loop() {
+  handleTime();
+  handleButtons();
+  displayTime();
+}