please show elegoo arduino board setup using a passive buzzer. heres the code below: #define F_CPU 16000000 UL // CPU Frequency #include <avr/io.h> #include <util/delay.h> volatile uint8_t notePlaying = 0 ; void setup () { DDRB |= ( 1 << PB6 ) ; // Set PB6 as output TCCR1A = 0 ; // Clear Timer1 registers TCCR1B = 0 ; TIMSK1 = 0 ; OCR1A = 0 ; } void playNote ( uint16_t frequency) { if ( notePlaying ) { TCCR1B = 0 ; // Stop the timer notePlaying = 0 ; } else { // Calculate the prescaler value uint16_t prescaler = 1 ; while (( F_CPU / ( prescaler * frequency * 2 )) > 65535 ) { prescaler <<= 1 ; } // Configure Timer1 TCCR1B = ( 1 << WGM12 ) | ( prescaler & 0x 07 ) ; // Mode 4, prescaler OCR1A = ( F_CPU / ( prescaler * frequency * 2 )) - 1 ; // Output compare value TIMSK1 = ( 1 << OCIE1A ) ; // Enable compare match interrupt notePlaying = 1 ; // Start the timer TCNT1 = 0 ; TCCR1B |= ( 1 << CS10 ) | (( prescaler >> 1 ) & 0x 03 ) ; // Start timer } } ISR ( TIMER1_COMPA_vect ) { PORTB ^= ( 1 << PB6 ) ; // Toggle PB6 state } void loop () { if ( Serial . available () > 0 ) { char key = Serial . read () ; switch ( key ) { case 'A': playNote ( 440 ) ; break ; case 'B': playNote ( 494 ) ; break ; case 'C': playNote ( 523 ) ; break ; case 'D': playNote ( 587 ) ; break ; case 'E': playNote ( 659 ) ; break ; case 'F': playNote ( 698 ) ; break ; case 'G': playNote ( 784 ) ; break ; case 'q': TCCR1B = 0 ; // Stop the timer notePlaying = 0 ; break ; } } } #define F_CPU 16000000 UL // CPU Frequency #include <avr/io.h> #include <util/delay.h> volatile uint8_t notePlaying = 0 ; void setup () { DDRB |= ( 1 << PB6 ) ; // Set PB6 as output TCCR1A = 0 ; // Clear Timer1 registers TCCR1B = 0 ; TIMSK1 = 0 ; OCR1A = 0 ; } void playNote ( uint16_t frequency) { if ( notePlaying ) { TCCR1B = 0 ; // Stop the timer notePlaying = 0 ; } else { // Calculate the prescaler value uint16_t prescaler = 1 ; while (( F_CPU / ( prescaler * frequency * 2 )) > 65535 ) { prescaler <<= 1 ; } // Configure Timer1 TCCR1B = ( 1 << WGM12 ) | ( prescaler & 0x 07 ) ; // Mode 4, prescaler OCR1A = ( F_CPU / ( prescaler * frequency * 2 )) - 1 ; // Output compare value TIMSK1 = ( 1 << OCIE1A ) ; // Enable compare match interrupt notePlaying = 1 ; // Start the timer TCNT1 = 0 ; TCCR1B |= ( 1 << CS10 ) | (( prescaler >> 1 ) & 0x 03 ) ; // Start timer } } ISR ( TIMER1_COMPA_vect ) { PORTB ^= ( 1 << PB6 ) ; // Toggle PB6 state } void loop () { if ( Serial . available () > 0 ) { char key = Serial . read () ; switch ( key ) { case 'A': playNote ( 440 ) ; break ; case 'B': playNote ( 494 ) ; break ; case 'C': playNote ( 523 ) ; break ; case 'D': playNote ( 587 ) ; break ; case 'E': playNote ( 659 ) ; break ; case 'F': playNote ( 698 ) ; break ; case 'G': playNote ( 784 ) ; break ; case 'q': TCCR1B = 0 ; // Stop the timer notePlaying = 0 ; break ; } } } #define F_CPU 16000000 UL // CPU Frequency #include <avr/io.h> #include <util/delay.h> volatile uint8_t notePlaying = 0 ; void setup () { DDRB |= ( 1 << PB6 ) .

1. please show elegoo arduino board setup using a passive buzzer. heres the code below:
#define
F_CPU
16000000
UL
// CPU Frequency
#include
<avr/io.h>
#include
<util/delay.h>
volatile
uint8_t
notePlaying =
0
;
void
setup
()
{

2. DDRB |=
(
1
<< PB6
)
;
// Set PB6 as output
TCCR1A =
0
;
// Clear Timer1 registers
TCCR1B =
0
;
TIMSK1 =
0
;
OCR1A =
0
;
}
void
playNote
(

3. uint16_t
frequency)
{
if
(
notePlaying
)
{
TCCR1B =
0
;
// Stop the timer
notePlaying =
0
;
}
else
{
// Calculate the prescaler value
uint16_t

4. prescaler =
1
;
while
((
F_CPU /
(
prescaler * frequency *
2
))
>
65535
)
{
prescaler <<=
1
;
}
// Configure Timer1
TCCR1B =
(
1
<< WGM12

5. )
|
(
prescaler & 0x
07
)
;
// Mode 4, prescaler
OCR1A =
(
F_CPU /
(
prescaler * frequency *
2
))
-
1
;
// Output compare value
TIMSK1 =
(
1
<< OCIE1A
)
;
// Enable compare match interrupt
notePlaying =

6. 1
;
// Start the timer
TCNT1 =
0
;
TCCR1B |=
(
1
<< CS10
)
|
((
prescaler >>
1
)
& 0x
03
)
;
// Start timer
}
}

7. ISR
(
TIMER1_COMPA_vect
)
{
PORTB ^=
(
1
<< PB6
)
;
// Toggle PB6 state
}
void
loop
()
{
if
(
Serial

8. .
available
()
>
0
)
{
char
key =
Serial
.
read
()
;
switch
(
key
)
{
case
'A':
playNote
(

9. 440
)
;
break
;
case
'B':
playNote
(
494
)
;
break
;
case
'C':
playNote
(
523
)
;

10. break
;
case
'D':
playNote
(
587
)
;
break
;
case
'E':
playNote
(
659
)
;
break
;
case

11. 'F':
playNote
(
698
)
;
break
;
case
'G':
playNote
(
784
)
;
break
;
case
'q':
TCCR1B =
0
;

12. // Stop the timer
notePlaying =
0
;
break
;
}
}
}
#define
F_CPU
16000000
UL
// CPU Frequency
#include
<avr/io.h>
#include
<util/delay.h>

13. volatile
uint8_t
notePlaying =
0
;
void
setup
()
{
DDRB |=
(
1
<< PB6
)
;
// Set PB6 as output
TCCR1A =
0
;
// Clear Timer1 registers
TCCR1B =
0
;

14. TIMSK1 =
0
;
OCR1A =
0
;
}
void
playNote
(
uint16_t
frequency)
{
if
(
notePlaying
)
{
TCCR1B =
0
;

15. // Stop the timer
notePlaying =
0
;
}
else
{
// Calculate the prescaler value
uint16_t
prescaler =
1
;
while
((
F_CPU /
(
prescaler * frequency *
2
))
>
65535
)

16. {
prescaler <<=
1
;
}
// Configure Timer1
TCCR1B =
(
1
<< WGM12
)
|
(
prescaler & 0x
07
)
;
// Mode 4, prescaler
OCR1A =
(
F_CPU /
(
prescaler * frequency *
2

17. ))
-
1
;
// Output compare value
TIMSK1 =
(
1
<< OCIE1A
)
;
// Enable compare match interrupt
notePlaying =
1
;
// Start the timer
TCNT1 =
0
;
TCCR1B |=
(
1
<< CS10
)
|

18. ((
prescaler >>
1
)
& 0x
03
)
;
// Start timer
}
}
ISR
(
TIMER1_COMPA_vect
)
{
PORTB ^=
(
1
<< PB6
)
;
// Toggle PB6 state

19. }
void
loop
()
{
if
(
Serial
.
available
()
>
0
)
{
char
key =
Serial
.
read
()

20. ;
switch
(
key
)
{
case
'A':
playNote
(
440
)
;
break
;
case
'B':
playNote
(
494
)

21. ;
break
;
case
'C':
playNote
(
523
)
;
break
;
case
'D':
playNote
(
587
)
;
break
;

22. case
'E':
playNote
(
659
)
;
break
;
case
'F':
playNote
(
698
)
;
break
;
case
'G':
playNote

23. (
784
)
;
break
;
case
'q':
TCCR1B =
0
;
// Stop the timer
notePlaying =
0
;
break
;
}
}
}

24. #define
F_CPU
16000000
UL
// CPU Frequency
#include
<avr/io.h>
#include
<util/delay.h>
volatile
uint8_t
notePlaying =
0
;
void
setup
()
{
DDRB |=
(

25. 1
<< PB6
)
;
// Set PB6 as output
TCCR1A =
0
;
// Clear Timer1 registers
TCCR1B =
0
;
TIMSK1 =
0
;
OCR1A =
0
;
}
void
playNote
(
uint16_t
frequency)

26. {
if
(
notePlaying
)
{
TCCR1B =
0
;
// Stop the timer
notePlaying =
0
;
}
else
{
// Calculate the prescaler value
uint16_t
prescaler =
1
;

27. while
((
F_CPU /
(
prescaler * frequency *
2
))
>
65535
)
{
prescaler <<=
1
;
}
// Configure Timer1
TCCR1B =
(
1
<< WGM12
)
|
(

28. prescaler & 0x
07
)
;
// Mode 4, prescaler
OCR1A =
(
F_CPU /
(
prescaler * frequency *
2
))
-
1
;
// Output compare value
TIMSK1 =
(
1
<< OCIE1A
)
;
// Enable compare match interrupt
notePlaying =
1
;

29. // Start the timer
TCNT1 =
0
;
TCCR1B |=
(
1
<< CS10
)
|
((
prescaler >>
1
)
& 0x
03
)
;
// Start timer
}
}
ISR
(
TIMER1_COMPA_vect

30. )
{
PORTB ^=
(
1
<< PB6
)
;
// Toggle PB6 state
}
void
loop
()
{
if
(
Serial
.
available
()
>
0

31. )
{
char
key =
Serial
.
read
()
;
switch
(
key
)
{
case
'A':
playNote
(
440
)
;

32. break
;
case
'B':
playNote
(
494
)
;
break
;
case
'C':
playNote
(
523
)
;
break
;
case
'D':

33. playNote
(
587
)
;
break
;
case
'E':
playNote
(
659
)
;
break
;
case
'F':
playNote
(

34. 698
)
;
break
;
case
'G':
playNote
(
784
)
;
break
;
case
'q':
TCCR1B =
0
;
// Stop the timer
notePlaying =
0
;

35. break
;
}
}
}