arduino의 RTC

사진

회로도

하이퍼터미널

도서관을 만들었습니다. ide1.6.5용

샘플 코드

#include <Wire.h>
#include <Time.h>
#include "Ds1307.h"

Ds1307 rtc;
void printDigits(int digits)
{
    Serial.print(":");
    if (digits < 10) Serial.print('0');
    Serial.print(digits);
}
void digitalClockDisplay()
{
    Serial.print(year());
    Serial.print("/");
    Serial.print(month());
    Serial.print("/");
    Serial.print(day());
    Serial.print(" ");
    Serial.print(hour());
    printDigits(minute());
    printDigits(second());
    Serial.println();
}
void setup()
{
    pinMode(13, OUTPUT);
    rtc = Ds1307();
    Serial.begin(9600);
    Serial.println("\r\nread rtc ->");
    setSyncProvider(rtc.get);
    if (timeStatus() != timeSet) Serial.println("Unable to sync with the RTC");
    else  Serial.println("RTC has set the system time");
}
void loop()
{
    digitalClockDisplay();
    digitalWrite(13, HIGH);
    delay(3000);
    digitalWrite(13, LOW);
    delay(3000);
}