15




void main()
{
     TRISC=0;
     T2CON=0x00;
     PR2=0x18;
     CCPR1L=0x0C;
     CCP1CON=0x2C;
     T2CON.TMR2ON=1;
}

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Arduino Real Time Clock Tutorial using DS1307

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In the Arduino Real Time Clock Tutorial, we will learn about Real Time Clock (RTC) and how Arduino and Real Time Clock IC DS1307 are interfaced as a time keeping device. If you recall, we have already implemented an Arduino Alarm Clock using RTC DS1307 in an earlier project. But that project didn’t cover the basics of Real Time Clock or RTC, the specifications of DS1307 RTC IC and how to interface a Real Time Clock like DS1307 or DS3231 with Arduino Overview An RTC or Real Time Clock is a Timekeeping device, usually in the form of an Integrated Circuit (IC). An RTC is battery powered and keeps track of the current time even when there is no power. Real Time Clock ICs are present in computers, servers, many embedded systems and in fact they are used wherever it is required to keep an accurate time.  Why do we need a Real Time Clock (RTC)?   Even though Arduino and almost all microcontrollers have built-in timers and timekeepers (millis () in case of Arduino), the...
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Pic1

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