lcd.setCursor(6, 2);    
   if (hour<10)   
    {
      lcd.print(0);
      lcd.print(hour);
    }    
   else   
    {
      lcd.print(hour);
    }

lcd.setCursor(6, 2);
    if (hour<10)   
      {
        lcd.print(0);
        lcd.print(hour);
      }   
    else {lcd.print(hour);}   
      
    lcd.print(":");   
     if (minute<10)   
      {
        lcd.print(0);
        lcd.print(minute);
      }   
    else
      {
        lcd.print(minute);
      }

#include <Wire.h>
//#include <dht11.h>
#include <LiquidCrystal.h>
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);
#define BMP085_ADDRESS 0x77  // I2C address of BMP085
#define DS1307_ADDRESS 0x68
const unsigned char OSS = 0;  // Oversampling Setting
int led = 13;
// Calibration values
int ac1;
int ac2;
int ac3;
unsigned int ac4;
unsigned int ac5;
unsigned int ac6;
int b1;
int b2;
int mb;
int mc;
int md;
// b5 is calculated in bmp085GetTemperature(...), this variable is also used in bmp085GetPressure(...)
// so ...Temperature(...) must be called before ...Pressure(...).
long b5;
short temperature;
long pressure;
void setup()
{
lcd.begin(16, 2);
Wire.begin();
bmp085Calibration();
pinMode(led, OUTPUT);
}
void loop()
{
//   lcd.clear();
//bmp085
temperature = bmp085GetTemperature(bmp085ReadUT());
pressure = bmp085GetPressure(bmp085ReadUP());
//  lcd.setCursor(0, 0);
//  lcd.print("P=");
//  int press=pressure/133.3;
//  lcd.print(press);
//  lcd.print("mm");
//  lcd.setCursor(8, 0);
//  lcd.print("Tp=");
//  lcd.print(temperature/10);
//  lcd.print("oC");
//  delay(3000);
//отсюда работа с часиками
printDate();
//  delay(40);
}
byte bcdToDec(byte val)
{
// Convert binary coded decimal to normal decimal numbers
return ( (val/16*10) + (val%16) );
}
void printDate(){
lcd.clear();
digitalWrite(led, HIGH);
//цикл под "живые" часики
for (int i=0; i<=600; i++){
// Reset the register pointer
if (i>=300){digitalWrite(led, LOW);}
Wire.beginTransmission(DS1307_ADDRESS);
Wire.write(0);
Wire.endTransmission();
Wire.requestFrom(DS1307_ADDRESS, 7);
int second = bcdToDec(Wire.read());
int minute = bcdToDec(Wire.read());
int hour = bcdToDec(Wire.read() & 0b111111); //24 hour time
int weekDay = bcdToDec(Wire.read()); //1-7 -> Sunday - Saturday
int monthDay = bcdToDec(Wire.read());
int month = bcdToDec(Wire.read());
int year = bcdToDec(Wire.read());
//Рисуем дату и время на lcd: День/Месяц/Год День недели
lcd.setCursor(0, 0);
if (monthDay<10) {lcd.print(0);lcd.print(monthDay);} else {lcd.print(monthDay);}
lcd.print("/");
if (month==1){lcd.print ("Jan");}
if (month==2){lcd.print ("Feb");}
if (month==3){lcd.print ("Mar");}
if (month==4){lcd.print ("Apr");}
if (month==5){lcd.print ("May");}
if (month==6){lcd.print ("Jun");}
if (month==7){lcd.print ("Jul");}
if (month==8){lcd.print ("Aug");}
if (month==9){lcd.print ("Sep");}
if (month==10){lcd.print ("Oct");}
if (month==11){lcd.print ("Nov");}
if (month==12){lcd.print ("Dec");}
lcd.print("/");
lcd.print(year+2000);
if (weekDay==1){lcd.print (" Sun.");}
if (weekDay==2){lcd.print (" Mon.");}
if (weekDay==3){lcd.print (" Tue.");}
if (weekDay==4){lcd.print (" Wed.");}
if (weekDay==5){lcd.print (" Thu.");}
if (weekDay==6){lcd.print (" Fri.");}
if (weekDay==7){lcd.print (" Sat.");}
lcd.setCursor(0, 1);
if (hour<10) {lcd.print(0);lcd.print(hour);} else {lcd.print(hour);}
lcd.print(":");
if (minute<10) {lcd.print(0);lcd.print(minute);} else {lcd.print(minute);}
lcd.print(":");
if (second<10) {lcd.print(0);lcd.print(second);} else {lcd.print(second);}
lcd.setCursor(9, 1);
lcd.print("P=");
int press=pressure/133.3;
lcd.print(press);
lcd.print("mm");
}
}
// Stores all of the bmp085's calibration values into global variables
// Calibration values are required to calculate temp and pressure
// This function should be called at the beginning of the program
void bmp085Calibration()
{
ac1 = bmp085ReadInt(0xAA);
ac2 = bmp085ReadInt(0xAC);
ac3 = bmp085ReadInt(0xAE);
ac4 = bmp085ReadInt(0xB0);
ac5 = bmp085ReadInt(0xB2);
ac6 = bmp085ReadInt(0xB4);
b1 = bmp085ReadInt(0xB6);
b2 = bmp085ReadInt(0xB8);
mb = bmp085ReadInt(0xBA);
mc = bmp085ReadInt(0xBC);
md = bmp085ReadInt(0xBE);
}
// Calculate temperature given ut.
// Value returned will be in units of 0.1 deg C
short bmp085GetTemperature(unsigned int ut)
{
long x1, x2;

x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;
x2 = ((long)mc << 11)/(x1 + md);
b5 = x1 + x2;
return ((b5 + 8)>>4);
}
// Calculate pressure given up
// calibration values must be known
// b5 is also required so bmp085GetTemperature(...) must be called first.
// Value returned will be pressure in units of Pa.
long bmp085GetPressure(unsigned long up)
{
long x1, x2, x3, b3, b6, p;
unsigned long b4, b7;

b6 = b5 - 4000;
// Calculate B3
x1 = (b2 * (b6 * b6)>>12)>>11;
x2 = (ac2 * b6)>>11;
x3 = x1 + x2;
b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;

// Calculate B4
x1 = (ac3 * b6)>>13;
x2 = (b1 * ((b6 * b6)>>12))>>16;
x3 = ((x1 + x2) + 2)>>2;
b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;

b7 = ((unsigned long)(up - b3) * (50000>>OSS));
if (b7 < 0x80000000)
p = (b7<<1)/b4;
else
p = (b7/b4)<<1;

x1 = (p>>8) * (p>>8);
x1 = (x1 * 3038)>>16;
x2 = (-7357 * p)>>16;
p += (x1 + x2 + 3791)>>4;

return p;
}
// Read 1 byte from the BMP085 at 'address'
char bmp085Read(unsigned char address)
{
unsigned char data;

Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();

Wire.requestFrom(BMP085_ADDRESS, 1);
while(!Wire.available())
;

return Wire.read();
}
// Read 2 bytes from the BMP085
// First byte will be from 'address'
// Second byte will be from 'address'+1
int bmp085ReadInt(unsigned char address)
{
unsigned char msb, lsb;

Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();

Wire.requestFrom(BMP085_ADDRESS, 2);
while(Wire.available()<2)
;
msb = Wire.read();
lsb = Wire.read();

return (int) msb<<8 | lsb;
}
// Read the uncompensated temperature value
unsigned int bmp085ReadUT()
{
unsigned int ut;

// Write 0x2E into Register 0xF4
// This requests a temperature reading
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x2E);
Wire.endTransmission();

// Wait at least 4.5ms
delay(5);

// Read two bytes from registers 0xF6 and 0xF7
ut = bmp085ReadInt(0xF6);
return ut;
}
// Read the uncompensated pressure value
unsigned long bmp085ReadUP()
{
unsigned char msb, lsb, xlsb;
unsigned long up = 0;

// Write 0x34+(OSS<<6) into register 0xF4
// Request a pressure reading w/ oversampling setting
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x34 + (OSS<<6));
Wire.endTransmission();

// Wait for conversion, delay time dependent on OSS
delay(2 + (3<<OSS));

// Read register 0xF6 (MSB), 0xF7 (LSB), and 0xF8 (XLSB)
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF6);
Wire.endTransmission();
Wire.requestFrom(BMP085_ADDRESS, 3);

// Wait for data to become available
while(Wire.available() < 3)
;
msb = Wire.read();
lsb = Wire.read();
xlsb = Wire.read();

up = (((unsigned long) msb << 16) | ((unsigned long) lsb << 8) | (unsigned long) xlsb) >> (8-OSS);

return up;
}