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How to connect bluetooth to microcontroller MEGA16

Fig.1. Bluetooth module is connected to serial PORT PD0 and PD1

Fig. 2. Get analog input from potensiometer and using XTALL 11.0592 MHz.

#include <mega16.h>
#include <delay.h>
#include <stdlib.h>

// Alphanumeric LCD functions
#include <alcd.h>

// Standard Input/Output functions
#include <stdio.h>

#define ADC_VREF_TYPE 0x00

// Read the AD conversion result
unsigned int read_adc(unsigned char adc_input)
{
 ADMUX=adc_input | (ADC_VREF_TYPE & 0xff);
           // Delay needed for the stabilization of the ADC input voltage
 delay_us(10);
           // Start the AD conversion
 ADCSRA|=0x40;
           // Wait for the AD conversion to complete
 while ((ADCSRA & 0x10)==0);
 ADCSRA|=0x10;
 return ADCW;
}

// Declare your global variables here
unsigned char temp[4];
unsigned int data_adc;
unsigned char buff[];

void main(void)
{

PORTA=0x00;
DDRA=0x00;
PORTB=0xFF;
DDRB=0x00;

PORTC=0x00;
DDRC=0x00;

PORTD=0x00;
DDRD=0x00;

// USART initialization
// Communication Parameters: 8 Data, 1 Stop, No Parity
// USART Receiver: On
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud Rate: 9600
UCSRA=0x00;
UCSRB=0x18;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x47;

// ADC initialization
// ADC Clock frequency: 691.200 kHz
// ADC Voltage Reference: AREF pin
// ADC Auto Trigger Source: Free Running
ADMUX=ADC_VREF_TYPE & 0xff;
ADCSRA=0xA4;
SFIOR&=0x1F;

// Alphanumeric LCD initialization
// Connections are specified in the
// Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu:
// RS - PORTC Bit 0
// RD - PORTC Bit 1
// EN - PORTC Bit 2
// D4 - PORTC Bit 3
// D5 - PORTC Bit 4
// D6 - PORTC Bit 5
// D7 - PORTC Bit 6
// Characters/line: 16

 lcd_init(16);
 while (PINB.2==1)
 {
  lcd_clear(); 
  lcd_gotoxy(0,1);
  lcd_puts("PRESS ENTER");
  delay_ms(10);
 }
 while (1)

 {
  delay_ms(1); 
  sprintf(buff,"!%d#",read_adc(0));
  puts(buff);
  data_adc=read_adc(0);
  itoa(data_adc,temp);
  lcd_clear(); 
  lcd_gotoxy(0,1);
  lcd_puts(temp);
  delay_ms(10);
 }
}