experiments with Pylontech/GroWatt PV tech
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/*
* TimeRTC.pde * example code illustrating Time library with Real Time Clock. * */
#include <TimeLib.h>
#include <Wire.h>
#include <DS1307RTC.h> // a basic DS1307 library that returns time as a time_t
void setup() { Serial.begin(9600); while (!Serial) ; // wait until Arduino Serial Monitor opens
setSyncProvider(RTC.get); // the function to get the time from the RTC
if(timeStatus()!= timeSet) Serial.println("Unable to sync with the RTC"); else Serial.println("RTC has set the system time"); }
void loop() { if (timeStatus() == timeSet) { digitalClockDisplay(); } else { Serial.println("The time has not been set. Please run the Time"); Serial.println("TimeRTCSet example, or DS1307RTC SetTime example."); Serial.println(); delay(4000); } delay(1000); }
void digitalClockDisplay(){ // digital clock display of the time
Serial.print(hour()); printDigits(minute()); printDigits(second()); Serial.print(" "); Serial.print(day()); Serial.print(" "); Serial.print(month()); Serial.print(" "); Serial.print(year()); Serial.println(); }
void printDigits(int digits){ // utility function for digital clock display: prints preceding colon and leading 0
Serial.print(":"); if(digits < 10) Serial.print('0'); Serial.print(digits); }
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