Project github link-https://github.com/gsrathore97/RTC-based-time-control-relay-arduino.git
Circuit diagram
Arduino code-
//demo vdo-https://youtu.be/HzSWzyPDJXk
// code and Circuit-https://gsrathore97.blogspot.com/2021/08/rtc-based-time-control-relay.html
//you need to install DS3231,LCD library also to run this code and I2C also if you use display with I2c comm
#include <DS3231.h>//Memanggil RTC3231 Library
#include <Wire.h> // i2C Conection Library
#include <LiquidCrystal.h> //Libraries
#include <EEPROM.h>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7); //Arduino pins to lcd
#define bt_clock A0
#define bt_up A1
#define bt_down A2
#define bt_timer A3
#define relay 8
#define buzzer 13
// Init DS3231
DS3231 rtc(SDA, SCL);
// Init a Time-data structure
Time t; //pencacah string time()
int hh = 0, mm = 0, ss = 0, dd = 0, bb = 0, set_day;
int yy = 0;
String Day = " ";
int StartHH = 0, StartMM = 0, FinishHH = 0, FinishMM = 0, setMode = 0, setAlarm = 0, alarmMode=1;
int Start1HH, Start1MM, Finish1HH, Finish1MM;
int Start2HH, Start2MM, Finish2HH, Finish2MM;
int Start3HH, Start3MM, Finish3HH, Finish3MM;
int Start4HH, Start4MM, Finish4HH, Finish4MM;
int timer1, timer2, timer3, timer4;
int stop =0, mode=0, flag=0;
void setup(){
rtc.begin(); // memulai koneksi i2c dengan RTC
pinMode(bt_clock, INPUT_PULLUP);
pinMode(bt_up, INPUT_PULLUP);
pinMode(bt_down, INPUT_PULLUP);
pinMode(bt_timer, INPUT_PULLUP);
pinMode(relay, OUTPUT);
digitalWrite(relay, 0);
pinMode(buzzer, OUTPUT);
lcd.begin(16, 2); // Configura lcd numero columnas y filas
lcd.setCursor(0,0); //Show "TIME" on the LCD
lcd.setCursor (0,0);
lcd.print(" Task Scheduler ");
lcd.setCursor (0,1);
lcd.print(" 4Timer 1Relay ");
delay (3000);
lcd.clear();
stop=EEPROM.read(50);
if(stop==0){
}else{
mode=1;WriteEeprom ();delay (20);
mode=2;WriteEeprom ();delay (20);
mode=3;WriteEeprom ();delay (20);
mode=4;WriteEeprom ();delay (20);
mode=0;
}
EEPROM.write(50,0);
ReadEeprom();
//Set RTC Untuk Pertama kali
//rtc.setDOW(2); // Set Day-of-Week to SUNDAY
//rtc.setTime (00, 9, 50);
//rtc.setDate(12, 11, 2017);
}
void loop(){
t = rtc.getTime();
Day = rtc.getDOWStr(1);
if (setMode == 0){
hh = t.hour,DEC;
mm = t.min,DEC;
ss = t.sec,DEC;
dd = t.date,DEC;
bb = t.mon,DEC;
yy = t.year,DEC;
//if(t.hour>12){hh=t.hour-12;}// for removing 24 houre
//else{hh=t.hour;}
}
if(setAlarm==0){
lcd.setCursor(0,0);
lcd.print((hh/10)%10);
lcd.print(hh % 10);
lcd.print(":");
lcd.print((mm/10)%10);
lcd.print(mm % 10);
lcd.print(":");
lcd.print((ss/10)%10);
lcd.print(ss % 10);
lcd.print(" T:");
lcd.print(rtc.getTemp(),0);
lcd.write(223);
lcd.print("C");
lcd.print(" ");
lcd.setCursor(1,1);
lcd.print(Day);
lcd.print(" ");
lcd.print((dd/10)%10);
lcd.print(dd % 10);
lcd.print("/");
lcd.print((bb/10)%10);
lcd.print(bb % 10);
lcd.print("/");
lcd.print((yy/1000)%10);
lcd.print((yy/100)%10);
lcd.print((yy/10)%10);
lcd.print(yy % 10);
}
setupClock();
setTimer();
delay (100);
blinking();
//Timer1 ON
if (timer1==1 && alarmMode==1 && hh==Start1HH && mm==Start1MM) {digitalWrite(relay, 1);}
//Timer1 OFF
if (timer1==1 && alarmMode==1 && hh==Finish1HH && mm==Finish1MM){digitalWrite(relay, 0);}
//Timer2 ON
if (timer2==1 && alarmMode==1 && hh==Start2HH && mm==Start2MM) {digitalWrite(relay, 1);}
//Timer2 OFF
if (timer2==1 && alarmMode==1 && hh==Finish2HH && mm==Finish2MM){digitalWrite(relay, 0);}
//Timer3 ON
if (timer3==1 && alarmMode==1 && hh==Start3HH && mm==Start3MM) {digitalWrite(relay, 1);}
//Timer3 OFF
if (timer3==1 && alarmMode==1 && hh==Finish3HH && mm==Finish3MM){digitalWrite(relay, 0);}
//Timer4 ON
if (timer4==1 && alarmMode==1 && hh==Start4HH && mm==Start4MM) {digitalWrite(relay, 1);}
//Timer4 OFF
if (timer4==1 && alarmMode==1 && hh==Finish4HH && mm==Finish4MM){digitalWrite(relay, 0);}
delay (100);
digitalWrite(buzzer, LOW);
}
void blinking (){
//BLINKING SCREEN
//Set Clock
if (setAlarm <2 && setMode == 1){lcd.setCursor(0,0); lcd.print(" ");}
if (setAlarm <2 && setMode == 2){lcd.setCursor(3,0); lcd.print(" ");}
if (setAlarm <2 && setMode == 3){lcd.setCursor(6,0); lcd.print(" ");}
if (setAlarm <2 && setMode == 4){lcd.setCursor(1,1); lcd.print(" ");}
if (setAlarm <2 && setMode == 5){lcd.setCursor(5,1); lcd.print(" ");}
if (setAlarm <2 && setMode == 6){lcd.setCursor(8,1); lcd.print(" ");}
if (setAlarm <2 && setMode == 7){lcd.setCursor(11,1); lcd.print(" "); }
//Set Timer
if (setMode == 0 && setAlarm == 1 && mode==0){lcd.setCursor(2,1); lcd.print(" "); }
if (setMode == 0 && setAlarm == 2 && mode==0){lcd.setCursor(6,1); lcd.print(" "); }
if (setMode == 0 && setAlarm == 3 && mode==0){lcd.setCursor(10,1); lcd.print(" "); }
if (setMode == 0 && setAlarm == 4 && mode==0){lcd.setCursor(13,1); lcd.print(" "); }
if (setMode == 0 && setAlarm == 1 && mode>0){lcd.setCursor(11,0); lcd.print(" "); }
if (setMode == 0 && setAlarm == 2 && mode>0){lcd.setCursor(14,0); lcd.print(" "); }
if (setMode == 0 && setAlarm == 3 && mode>0){lcd.setCursor(11,1); lcd.print(" "); }
if (setMode == 0 && setAlarm == 4 && mode>0){lcd.setCursor(14,1); lcd.print(" "); }
}
//Seting Jam ,Tanggal,Alarm/Timer
void setupClock (void) {
if (setMode == 8){
lcd.setCursor (0,0);
lcd.print ("Set Time Finish ");
lcd.setCursor (0,1);
lcd.print ("Set Date Finish ");
delay (1000);
rtc.setTime (hh, mm, ss);
rtc.setDate (dd, bb, yy);
lcd.clear();
setMode = 0;
}
if (setAlarm >0){alarmMode=0;}
if(digitalRead (bt_clock) == 0 && flag==0) {flag=1;
if(setAlarm>0){WriteEeprom(); setAlarm=1; mode =5;}
else{setMode = setMode+1;}
digitalWrite(buzzer, HIGH);
}
if(digitalRead (bt_timer) == 0 && flag==0){flag=1;
if(setMode>0){setMode=8;}
else{
setAlarm = setAlarm+1;
if(setAlarm>4){setAlarm=1;
WriteEeprom ();
mode=mode+1;
ReadEeprom();
}
}
lcd.clear();
digitalWrite(buzzer, HIGH);
}
if(setAlarm == 1 && mode==5){
lcd.setCursor (0,0);
lcd.print ("Set Timer Finish");
lcd.setCursor (0,1);
lcd.print ("-EEPROM Updated-");
delay (2000);
lcd.clear();
setAlarm=0;
mode =0;
alarmMode=1;
}
if(digitalRead (bt_clock) == 1 && digitalRead (bt_timer) == 1){flag=0;}
if(digitalRead (bt_up) == 0){
if (setAlarm<2 && setMode==1)hh=hh+1;
if (setAlarm<2 && setMode==2)mm=mm+1;
if (setAlarm<2 && setMode==3)ss=ss+1;
if (setAlarm<2 && setMode==4)set_day=set_day+1;
if (setAlarm<2 && setMode==5)dd=dd+1;
if (setAlarm<2 && setMode==6)bb=bb+1;
if (setAlarm<2 && setMode==7)yy=yy+1;
//Timer
if (mode==0 && setMode==0 && setAlarm==1)timer1=1;
if (mode==0 && setMode==0 && setAlarm==2)timer2=1;
if (mode==0 && setMode==0 && setAlarm==3)timer3=1;
if (mode==0 && setMode==0 && setAlarm==4)timer4=1;
if (mode>0 && setMode==0 && setAlarm==1)StartHH=StartHH+1;
if (mode>0 && setMode==0 && setAlarm==2)StartMM=StartMM+1;
if (mode>0 && setMode==0 && setAlarm==3)FinishHH=FinishHH+1;
if (mode>0 && setMode==0 && setAlarm==4)FinishMM=FinishMM+1;
if(hh>23)hh=0;
if(mm>59)mm=0;
if(ss>59)ss=0;
if(set_day>7)set_day=0;
if(dd>31)dd=0;
if(bb>12)bb=0;
if(yy>2030)yy=2000;
if(StartHH>23)StartHH=0;
if(StartMM>59)StartMM=0;
if(FinishHH>23)FinishHH=0;
if(FinishMM>59)FinishMM=0;
rtc.setDOW(set_day);
digitalWrite(buzzer, HIGH);
}
if(digitalRead (bt_down) == 0){
if (setAlarm<2 && setMode==1)hh=hh-1;
if (setAlarm<2 && setMode==2)mm=mm-1;
if (setAlarm<2 && setMode==3)ss=ss-1;
if (setAlarm<2 && setMode==4)set_day=set_day-1;
if (setAlarm<2 && setMode==5)dd=dd-1;
if (setAlarm<2 && setMode==6)bb=bb-1;
if (setAlarm<2 && setMode==7)yy=yy-1;
//Timer
if (mode==0 && setMode==0 && setAlarm==1)timer1=0;
if (mode==0 && setMode==0 && setAlarm==2)timer2=0;
if (mode==0 && setMode==0 && setAlarm==3)timer3=0;
if (mode==0 && setMode==0 && setAlarm==4)timer4=0;
if (mode>0 && setMode==0 && setAlarm==1)StartHH=StartHH-1;
if (mode>0 && setMode==0 && setAlarm==2)StartMM=StartMM-1;
if (mode>0 && setMode==0 && setAlarm==3)FinishHH=FinishHH-1;
if (mode>0 && setMode==0 && setAlarm==4)FinishMM=FinishMM-1;
if(hh<0)hh=23;
if(mm<0)mm=59;
if(ss<0)ss=59;
if(set_day<0)set_day=7;
if(dd<0)dd=31;
if(bb<0)bb=12;
if(yy<0)yy=2030;
if(StartHH<0)StartHH=23;
if(StartMM<0)StartMM=59;
if(FinishHH<0)FinishHH=23;
if(FinishMM<0)FinishMM=59;
rtc.setDOW(set_day);
digitalWrite(buzzer, HIGH);
}
}
void setTimer (){
//Timer
if (setMode == 0 && setAlarm >0 && mode>0){
lcd.setCursor (0,0);
lcd.print("Timer");
lcd.print(mode);
lcd.print(" On :");
lcd.setCursor (11,0);
lcd.print((StartHH/10)%10);
lcd.print(StartHH % 10);
lcd.print(":");
lcd.print((StartMM/10)%10);
lcd.print(StartMM % 10);
lcd.setCursor (0,1);
lcd.print("Timer");
lcd.print(mode);
lcd.print(" Off:");
lcd.setCursor (11,1);
lcd.print((FinishHH/10)%10);
lcd.print(FinishHH % 10);
lcd.print(":");
lcd.print((FinishMM/10)%10);
lcd.print(FinishMM % 10);
}
if (setMode == 0 && setAlarm >0 && mode==0){
lcd.setCursor (0,0);
lcd.print(" T1 T2 T3 T4 ");
lcd.setCursor (0,1);
if(timer1==1){lcd.print(" A");}
else{lcd.print(" D");}
if(timer2==1){lcd.print(" A");}
else{lcd.print(" D");}
if(timer3==1){lcd.print(" A");}
else{lcd.print(" D");}
if(timer4==1){lcd.print(" A");}
else{lcd.print(" D");}
}
}
void ReadEeprom() {
Start1HH=EEPROM.read(11);Start1MM=EEPROM.read(12);Finish1HH=EEPROM.read(13);Finish1MM=EEPROM.read(14);
Start2HH=EEPROM.read(21);Start2MM=EEPROM.read(22);Finish2HH=EEPROM.read(23);Finish2MM=EEPROM.read(24);
Start3HH=EEPROM.read(31);Start3MM=EEPROM.read(32);Finish3HH=EEPROM.read(33);Finish3MM=EEPROM.read(34);
Start4HH=EEPROM.read(41);Start4MM=EEPROM.read(42);Finish4HH=EEPROM.read(43);Finish4MM=EEPROM.read(44);
if(mode==1){StartHH=Start1HH, StartMM=Start1MM, FinishHH=Finish1HH,FinishMM=Finish1MM;}
if(mode==2){StartHH=Start2HH, StartMM=Start2MM, FinishHH=Finish2HH,FinishMM=Finish2MM;}
if(mode==3){StartHH=Start3HH, StartMM=Start3MM, FinishHH=Finish3HH,FinishMM=Finish3MM;}
if(mode==4){StartHH=Start4HH, StartMM=Start4MM, FinishHH=Finish4HH,FinishMM=Finish4MM;}
timer1=EEPROM.read(1);
timer2=EEPROM.read(2);
timer3=EEPROM.read(3);
timer4=EEPROM.read(4);
}
void WriteEeprom() {
if(mode==1){EEPROM.write(11,StartHH);EEPROM.write(12,StartMM);EEPROM.write(13,FinishHH);EEPROM.write(14,FinishMM);}
if(mode==2){EEPROM.write(21,StartHH);EEPROM.write(22,StartMM);EEPROM.write(23,FinishHH);EEPROM.write(24,FinishMM);}
if(mode==3){EEPROM.write(31,StartHH);EEPROM.write(32,StartMM);EEPROM.write(33,FinishHH);EEPROM.write(34,FinishMM);}
if(mode==4){EEPROM.write(41,StartHH);EEPROM.write(42,StartMM);EEPROM.write(43,FinishHH);EEPROM.write(44,FinishMM);}
EEPROM.write(1,timer1);
EEPROM.write(2,timer2);
EEPROM.write(3,timer3);
EEPROM.write(4,timer4);
}
Comments
Post a Comment