#include <RTClib.h>    // Define RTC_DS1307 and DateTime
#include "my_lcd.h"
 
MyLCD           lcd;
RTC_DS1307      rtc;
 
void setup() {
    Serial.begin(115200);
    lcd.begin();
 
    if (!rtc.begin()) {  // Time is critical
        Serial.println(F("Error: RTC not found!"));
        while (1);       // Halt if RTC fails
    }
}
 
void loop() {
    lcd.display("ESP32-DevKitC-v4", "Hello, World!", "Ngee Ann Poly");
    delay(5000);
    lcd.clear();
 
    DateTime now = rtc.now();
    char dtbuf[21] = "YYYY-MM-DD hh:mm:ss";
    now.toString(dtbuf);  // Formats time into dtbuf
 
    lcd.datetime(dtbuf);
    lcd.alarm(1, "Temp UL1:", "40.6", 0);
    delay(5000);
    lcd.alarm(2, "Curr UL2:", "60.0", "A");
    delay(5000);
}