Ceas de timp real RTC cu DS1307 si Arduino
Ceas de timp real RTC cu DS1307 si Arduino
RTC-DS1307 LCD-RC0802A Arduino 2009 – Atmega328
RTC-DS1307 LCD-RC0802A Arduino 2009 – Atmega328
Schema modulului RTC cu DS1307 si EEPROM 24C32 (opt. DS18B20)
Conectarea modului RTC DS1307 la Arduino Duemilanove
/* Exemplu utilizarea librarie MD_DS1307 si afisare pe LCD 8×2, fara posibilitatea de reglare a ore */
/* Tema: “Reglarea orei si a datei prin Serial Monitor” */
#include <LiquidCrystal.h>
#include <MD_DS1307.h>
#include <Wire.h>LiquidCrystal lcd(11, 10, 9, 8, 7, 6); //conexiunile LCD-ului RC0802A la placa Arduino (RS, E, D4, D5, D6, D7)
void setup()
{
lcd.begin(8,2);
lcd.clear();
lcd.noCursor();
}void p2dig(uint8_t v)
// print 2 digits leading zero
{
if (v < 10) lcd.print(“0”);
lcd.print(v);
}void printTime()
{
lcd.setCursor(0,0);
p2dig(RTC.dd);
lcd.print(“/”);
p2dig(RTC.mm);
lcd.print(“/”);
int year;
year = RTC.yyyy – 2000;
lcd.print(year);lcd.setCursor(0,1);
p2dig(RTC.h);
lcd.print(“:”);
p2dig(RTC.m);
lcd.print(“:”);
p2dig(RTC.s);
}void loop()
{
RTC.ReadTime();
printTime();
delay(100);
}
Descarca catalogul ciruitului – DS1307
