Added TinkerCAD schematics for 2 Timer projects

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diff --git a/Examples/Timer_1_COMPA_Toggle_pin_13_at_1Hz/Timer_1_COMPA_Toggle_pin_13_at_1Hz.png b/Examples/Timer_1_COMPA_Toggle_pin_13_at_1Hz/Timer_1_COMPA_Toggle_pin_13_at_1Hz.png
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diff --git a/Examples/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM.ino b/Examples/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM.ino
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+++ b/Examples/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM.ino
@@ -0,0 +1,54 @@
+void setup() {
+  // Set pin 13 to output
+  pinMode(13, OUTPUT);
+  
+  // Stop reception of interrupts
+  noInterrupts(); //cli();
+
+  // Set PB1 to be an output (Pin9 Arduino UNO)
+  DDRB |= (1 << PB1);
+  
+  // Clear Timer/Counter Control Registers
+  TCCR1A = 0;
+  TCCR1B = 0;
+  TIMSK1 = 0;
+  
+  // Set non-inverting mode - Table 15-3 (page 108)
+  TCCR1A |= (1 << COM1A1);
+  
+  // Set Fast-PWM Mode (Mode 14) - Table 15-5 (page 109)
+  TCCR1A |= (1 << WGM11);
+  TCCR1B |= (1 << WGM12);
+  TCCR1B |= (1 << WGM13);
+  
+  // Clear Timer 1 Counter
+  TCNT1  = 0;
+  
+  // Set PWM frequency/top value - Output PWM 10kHz
+  ICR1 = 199;   // Fclk_io / (Fout * Prescaler) - 1
+  OCR1A = 100;  // Output OC1A will be ON for [OCR1A/(ICR1+1)]% of the time -> 100/(199+1) = 50%
+  
+  // Enable compare match interrupt
+  TIMSK1 |= (1 << OCIE1A);
+  TIMSK1 |= (1 << TOIE1);
+  
+  // Set prescaler to 8 and starts PWM
+  TCCR1B |= (1 << CS11);
+
+  // Enables interrupts
+  interrupts(); //sei();
+}
+
+void loop() {
+  // Empty
+}
+
+//Timer1 Compare Match Interrupt turns OFF pin 13 (LED)
+ISR(TIMER1_COMPA_vect) {
+  digitalWrite(13, LOW);
+}
+
+//Timer1 Overflow Interrupt turns ON pin 13 (LED)
+ISR(TIMER1_OVF_vect) {
+  digitalWrite(13, HIGH);
+}

diff --git a/Examples/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM.png b/Examples/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM/Timer_1_COMPA_and_OVF_10kHz_Hardware_pin-9_and_Software_pin-13_PWM.png
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diff --git a/Examples/Timer_1_COMPA_and_OVF_10kHz_Software-PWM/Timer_1_COMPA_and_OVF_10kHz_Software-PWM.ino b/Examples/Timer_1_COMPA_and_OVF_10kHz_Software-PWM/Timer_1_COMPA_and_OVF_10kHz_Software-PWM.ino
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--- a/Examples/Timer_1_COMPA_and_OVF_10kHz_Software-PWM/Timer_1_COMPA_and_OVF_10kHz_Software-PWM.ino
+++ /dev/null
@@ -1,54 +0,0 @@
-void setup() {
-  // Set pin 13 to output
-  pinMode(13, OUTPUT);
-  
-  // Stop reception of interrupts
-  noInterrupts(); //cli();
-
-  // Set PB1 to be an output (Pin9 Arduino UNO)
-  DDRB |= (1 << PB1);
-  
-  // Clear Timer/Counter Control Registers
-  TCCR1A = 0;
-  TCCR1B = 0;
-  TIMSK1 = 0;
-  
-  // Set non-inverting mode - Table 15-3 (page 108)
-  TCCR1A |= (1 << COM1A1);
-  
-  // Set Fast-PWM Mode (Mode 14) - Table 15-5 (page 109)
-  TCCR1A |= (1 << WGM11);
-  TCCR1B |= (1 << WGM12);
-  TCCR1B |= (1 << WGM13);
-  
-  // Clear Timer 1 Counter
-  TCNT1  = 0;
-  
-  // Set PWM frequency/top value - Output PWM 10kHz
-  ICR1 = 199;   // Fclk_io / (Fout * Prescaler) - 1
-  OCR1A = 100;  // Output OC1A will be ON for [OCR1A/(ICR1+1)]% of the time -> 100/(199+1) = 50%
-  
-  // Enable compare match interrupt
-  TIMSK1 |= (1 << OCIE1A);
-  TIMSK1 |= (1 << TOIE1);
-  
-  // Set prescaler to 8 and starts PWM
-  TCCR1B |= (1 << CS11);
-
-  // Enables interrupts
-  interrupts(); //sei();
-}
-
-void loop() {
-  // Empty
-}
-
-//Timer1 Compare Match Interrupt turns OFF pin 13 (LED)
-ISR(TIMER1_COMPA_vect) {
-  digitalWrite(13, LOW);
-}
-
-//Timer1 Overflow Interrupt turns ON pin 13 (LED)
-ISR(TIMER1_OVF_vect) {
-  digitalWrite(13, HIGH);
-}