개발보드/프로그래머
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![[D-130]_01.png](http://cafe24.poxo.com/ec01/eduino/z3YOBqiuI6lC0rXfWithEdL8SAf/9jOIHTKXoHbfMjZOS9Mp8dOpClrfXnF29gSPkhICt0X4UNZW+O/pv2ZMoQ==/_/product/d/130/%5BD-130%5D_01.png)
![[D-130]_02.png](http://cafe24.poxo.com/ec01/eduino/z3YOBqiuI6lC0rXfWithEdL8SAf/9jOIHTKXoHbfMjZOS9Mp8dOpClrfXnF29gSPkhICt0X4UNZW+O/pv2ZMoQ==/_/product/d/130/%5BD-130%5D_02.png)
![[D-130]_03.png](http://cafe24.poxo.com/ec01/eduino/z3YOBqiuI6lC0rXfWithEdL8SAf/9jOIHTKXoHbfMjZOS9Mp8dOpClrfXnF29gSPkhICt0X4UNZW+O/pv2ZMoQ==/_/product/d/130/%5BD-130%5D_03.png)
![[D-130]_04.webp](http://cafe24.poxo.com/ec01/eduino/z3YOBqiuI6lC0rXfWithEdL8SAf/9jOIHTKXoHbfMjZOS9Mp8dOpClrfXnF29gSPkhICt0X4UNZW+O/pv2ZMoQ==/_/product/d/130/%5BD-130%5D_04.webp)
![[D-130]_05.webp](http://cafe24.poxo.com/ec01/eduino/z3YOBqiuI6lC0rXfWithEdL8SAf/9jOIHTKXoHbfMjZOS9Mp8dOpClrfXnF29gSPkhICt0X4UNZW+O/pv2ZMoQ==/_/product/d/130/%5BD-130%5D_05.webp)
![[D-130]_06.webp](http://cafe24.poxo.com/ec01/eduino/z3YOBqiuI6lC0rXfWithEdL8SAf/9jOIHTKXoHbfMjZOS9Mp8dOpClrfXnF29gSPkhICt0X4UNZW+O/pv2ZMoQ==/_/product/d/130/%5BD-130%5D_06.webp)
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#include <Wire.h>
#include <RTClib.h>
RTC_DS1307 rtc;
void setup() {
Serial.begin(9600);
if (! rtc.begin()) {
Serial.println("RTC 초기화 실패!");
while (1);
}
if (! rtc.isrunning()) {
Serial.println("시간 정보를 찾을 수 없습니다. RTC 배터리가 제대로 연결되었는지 확인하세요!");
}
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
}
void loop() {
DateTime now = rtc.now(); // RTC로부터 현재 시간을 가져옴
Serial.print("현재 시각: ");
Serial.print(now.year(), DEC);
Serial.print('/');
Serial.print(now.month(), DEC);
Serial.print('/');
Serial.print(now.day(), DEC);
Serial.print(" ");
Serial.print(now.hour(), DEC);
Serial.print(':');
Serial.print(now.minute(), DEC);
Serial.print(':');
Serial.print(now.second(), DEC);
Serial.println();
delay(1000); // 1초마다 반복
}
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cs |
![[D-130]_07.webp](http://cafe24.poxo.com/ec01/eduino/z3YOBqiuI6lC0rXfWithEdL8SAf/9jOIHTKXoHbfMjZOS9Mp8dOpClrfXnF29gSPkhICt0X4UNZW+O/pv2ZMoQ==/_/product/d/130/%5BD-130%5D_07.webp)
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