답변에 감사드립니다. ^^
 
프로그래밍 해서 실행 결과 Error Code가 발견되어서 Debog 하는데 답을 모르겠습니다.ㅠㅠ
 
 
#include <Time.h>
#include <DS1302.h>
DS1302 rtc(2,3,4);
#include <Wire.h>
#include <Adafruit_INA219.h>
Adafruit_INA219 sensor219;
//
void setup(void){
  sensor219.begin();
  rtc.halt(false); // 동작 모드로 설정
  //rtc.writeProtect(false); rtc.setDOW(SUNDAY); rtc.setTime(12,0,0); rtc.setDate(16,8,2015); //시간 설정 때만
  Serial.begin(115200);
}
//
void loop(void){
  char str[50];
  tmElements_t tm;
  float busVoltage=0,current=0,power=0;
  //
  busVoltage=sensor219.getBusVoltage_V();
  current=sensor219.getCurrent_mA();
  power=busVoltage*(current/1000); //파워=전류*전압/1000
  //
  RTC.get();
  if(!RTC.read(tm)){
    sprintf(str,"%04d/%02d/%02d %02d:%02d:%02d \t",tm.Year,tm.Month,tm.Day,tm.Hour,tm.Minute,tm.Second);
    Serial.print(str);
  }
  sprintf(str,"Voltage: %.1f V Current: %.1f mA Power: %.1f W\r\n\r\n",busVoltage,current,power);
  Serial.print(str);
  //
  delay(2000);
} 
 
Error 코드명에 
'tmElements_t' was not declared in this scope라구 명시 되구요
 
C:\Users\seonu\Desktop\ddfr\ddfr.ino: In function 'void loop()':
ddfr:33: error: 'tmElements_t' was not declared in this scope
   tmElements_t tm;
   ^
ddfr:47: error: 'RTC' was not declared in this scope
   RTC.get();
   ^
ddfr:49: error: expected primary-expression before ')' token
   if(!RTC.read(tm)){
                  ^
ddfr:51: error: expected primary-expression before '.' token
     sprintf(str,"%04d/%02d/%02d %02d:%02d:%02d \t",tm.Year,tm.Month,tm.Day,tm.Hour,tm.Minute,tm.Second);
                                                      ^
ddfr:51: error: expected primary-expression before '.' token
     sprintf(str,"%04d/%02d/%02d %02d:%02d:%02d \t",tm.Year,tm.Month,tm.Day,tm.Hour,tm.Minute,tm.Second);
                                                              ^
ddfr:51: error: expected primary-expression before '.' token
     sprintf(str,"%04d/%02d/%02d %02d:%02d:%02d \t",tm.Year,tm.Month,tm.Day,tm.Hour,tm.Minute,tm.Second);
                                                                       ^
ddfr:51: error: expected primary-expression before '.' token
     sprintf(str,"%04d/%02d/%02d %02d:%02d:%02d \t",tm.Year,tm.Month,tm.Day,tm.Hour,tm.Minute,tm.Second);
                                                                              ^
ddfr:51: error: expected primary-expression before '.' token
     sprintf(str,"%04d/%02d/%02d %02d:%02d:%02d \t",tm.Year,tm.Month,tm.Day,tm.Hour,tm.Minute,tm.Second);
                                                                                      ^
ddfr:51: error: expected primary-expression before '.' token
     sprintf(str,"%04d/%02d/%02d %02d:%02d:%02d \t",tm.Year,tm.Month,tm.Day,tm.Hour,tm.Minute,tm.Second);
                                                                                                ^
exit status 1
'tmElements_t' was not declared in this scope
​