Hackster.io
hackster.io › c010rblind3ngineer › arduino-clock-with-lcd-20x4-i2c-cac0e0
Arduino 'Clock' with LCD (20x4) I2C - Hackster.io
June 29, 2022 - Components: - Arduino Uno - LCD I2C (20x4) Libraries: - LiquidCrystal_I2C library Created on 25 June 2022 by c010rblind3ngineer */ #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27, 20, 4); const int a_sec = 900; // clock second hand int Hrs, Mins; int Secs = 0; String AmPm; // to store the string data to display 'AM' or 'PM' int ampm; // to store user input int day, d, m, yr; char *DAYS[] = {"Mon", "Tues", "Wed", "Thurs", "Fri", "Sat", "Sun"}; char *MONTHS[] = {"Jan", "Feb", "Mar", "Apr", "May", "June", "July", "Aug", "Sep", "Oct", "Nov", "Dec" }; void setup() { Serial.begin(9600); lcd.init(); lcd.backlight(); clkInit(); } void loop() { //...Display Time to LCD...
03:11
DIY Arduino Digital Clock with LCD Display (No RTC Needed!) - YouTube
04:27
Build Your OWN Arduino Clock with DS1302 RTC and I2C LCD Display Now!
15:26
DS3231 Dual Alarm Clock with Manual Date Time Adjustment Using ...
19:07
DS3231 Real Time Clock (RTC) Module - Detailed Explanation and ...
01:47
Real-Time Clock & Stopwatch Displayed on I2C LCD - YouTube
21:19
Arduino Time and Date Tutorial-DS3231 and I2C LCD with Code | ...
Arduino Intro
arduinointro.com › articles › projects › creating-an-arduino-clock-with-ds1302-rtc-module-and-i2c-lcd-display
Creating an Arduino Clock with DS1302 RTC Module and I2C LCD Display
December 27, 2024 - LiquidCrystal_I2C.h: Manages the I2C LCD display. ... const int CE_PIN = 5; const int IO_PIN = 6; const int SCLK_PIN = 7; DS1302 rtc(CE_PIN, IO_PIN, SCLK_PIN); These lines define the pin connections for the DS1302 RTC module and create an rtc object using those pins: CE_PIN: Chip Enable pin connected to Arduino pin 5. IO_PIN: Input/Output pin connected to Arduino pin 6. SCLK_PIN: Serial Clock pin connected to Arduino pin 7.
DFRobot Maker Community
community.dfrobot.com › home › arduino 'clock' with lcd (20x4) i2c
Build an Arduino Clock with LCD I2C Display - DFRobot Maker Community
June 25, 2022 - Components: - Arduino Uno - LCD I2C (20x4) Libraries: - LiquidCrystal_I2C library Created on 25 June 2022 by c010rblind3ngineer */ #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27, 20, 4); const int a_sec = 900; // clock second hand int Hrs, Mins; int Secs = 0; String AmPm; // to store the string data to display 'AM' or 'PM' int ampm; // to store user input int day, d, m, yr; char *DAYS[] = {"Mon", "Tues", "Wed", "Thurs", "Fri", "Sat", "Sun"}; char *MONTHS[] = {"Jan", "Feb", "Mar", "Apr", "May", "June", "July", "Aug", "Sep", "Oct", "Nov", "Dec" }; void setup() { Serial.begin(9600); lcd.init(); lcd.backlight(); clkInit(); } void loop() { //...Display Time to LCD...
Arduino
projecthub.arduino.cc › c010rblind3ngineer › arduino-clock-with-lcd-20x4-i2c-296a53
Arduino 'Clock' with LCD (20x4) I2C | Arduino Project Hub
6 7 Components: 8 - Arduino Uno 9 - LCD I2C (20x4) 10 11 Libraries: 12 - LiquidCrystal_I2C library 13 14 Created on 25 June 2022 by c010rblind3ngineer 15*/ 16 17#include <LiquidCrystal_I2C.h> 18 19LiquidCrystal_I2C lcd(0x27, 20, 4); 20 21const int a_sec = 900; // clock second hand 22 23int Hrs, Mins; 24int Secs = 0; 25String AmPm; // to store the string data to display 'AM' or 'PM' 26int ampm; // to store user input 27int day, d, m, yr; 28char *DAYS[] = {"Mon", "Tues", "Wed", "Thurs", "Fri", "Sat", "Sun"}; 29char *MONTHS[] = {"Jan", "Feb", "Mar", "Apr", "May", "June", 30 "July", "Aug", "Sep", "Oct", "Nov", "Dec" 31 }; 32 33void setup() 34{ 35 Serial.begin(9600); 36 lcd.init(); 37 lcd.backlight(); 38 clkInit(); 39} 40void loop() 41{ 42 //...Display Time to LCD...
VTM Systems Store
videotronicmaker.com › home › time and date -ds3231 & i2c lcd | visuino
Time and Date -DS3231 & I2C LCD | Visuino - VTM Systems Store
February 20, 2024 - Arduino time and date. The DS3231 Real Time Clock counts seconds, minutes, hours, date month, day, and year with leap-year compensation. The RTC module has a battery backup to charge. In this tutorial I will show you how to connect the DS3231 to an Arduino Uno and an I2C 1602 LCD module to display the time and date.
MySensors
mysensors.org › build › display
Real Time Clock Module, LCD Display and Controller Time | MySensors - Create your own Connected Home Experience
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); void setup() { // the function to get the time from the RTC setSyncProvider(RTC.get); // Request latest time from controller at startup requestTime(); // initialize the lcd for 16 chars 2 lines and turn on backlight lcd.begin(16,2); } void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo("RTC Clock", "1.0"); } // This is called when a new time value was received void receiveTime(unsigned long controllerTime) { // Ok, set incoming time Serial.print("Time value received: "); Serial.
Arduino Forum
forum.arduino.cc › projects › showcase
Clock with calendar for i2c display - Showcase - Arduino Forum
October 20, 2024 - the library from here https://github.com/RobTillaart/I2C_LCD // FoR time 15:25:44 and date 19/10/2024 , WRITE 15 25 44 19 10 2024 in the Serial Monitor and hit enter #include "I2C_LCD.h" // test 20x4 + 16x2 #define BACKLIGHT_PIN 3 #define En_pin 2 #define Rw_pin 1 #define Rs_pin 0 #define D4_pin 4 #define D5_pin 5 #define D6_pin 6 #define D7_pin 7 I2C_LCD lcd(39); // Global variables to store the current time and date uin...
Arduino Getting Started
arduinogetstarted.com › tutorials › arduino-lcd-clock
Arduino - LCD Clock | Arduino Getting Started
2 weeks ago - /* * Created by ArduinoGetStarted.com * * This example code is in the public domain * * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-lcd-clock */ #include <DIYables_LCD_I2C.h> #include <RTClib.h> DIYables_LCD_I2C lcd(0x27, 16, 2); // I2C address 0x27 (from DIYables LCD), 16 column and 2 rows RTC_DS1307 rtc; void setup() { Serial.begin(9600); lcd.init(); // initialize the lcd lcd.backlight(); // open the backlight // SETUP RTC MODULE if (!rtc.begin()) { Serial.println("Couldn't find RTC"); Serial.flush(); while (true) ; } // automatically sets the RTC to the date & time on PC
Arduino
create.arduino.cc › projecthub › Tishin › display-time-date-i2c-lcd-and-ds3231-real-time-clock-visuino-11f495
Arduino Project Hub
December 28, 2019 - ESP-32 Realtime Spotify Music Display Clock & Timer · Tutorial by · 7431subhrajyoti · 8521 · • · 2 · • · 2 · RFID Smart Attendance System using Arduino and Firebase · Showcase by · avaiya · 2076 · • · 1 · • · 1 · UNO Q Arcade Bundle ·
SriTu Hobby
srituhobby.com › home › how to make an arduino clock – step by step complete tutorial
How to make an Arduino Clock - step by step complete tutorial - SriTu Hobby
March 25, 2025 - OK, now upload this code to the Arduino board. For that, select the correct board and port. Afterward, upload this code. Now, let’s display the date, time, and temperature range entered above in the LCD. Use the following program for that. ... #include <LiquidCrystal_I2C.h> #include <DS3231.h> LiquidCrystal_I2C dis(0x27, 16, 2); DS3231 rtc(SDA, SCL); void setup() { dis.init(); dis.backlight(); dis.setCursor(0, 0); dis.print("Table Clock"); dis.setCursor(0, 1); dis.print("Loading"); for (int a = 7; a <= 15; a++ ) { dis.setCursor(a, 1); dis.print("."); delay(400); } dis.clear(); rtc.begin(); } void loop() { dis.setCursor(0, 0); dis.print("T:"); dis.print(rtc.getTemp()); dis.print("/"); dis.setCursor(8, 0); dis.print(rtc.getTimeStr()); dis.setCursor(3, 1); dis.print(rtc.getDateStr()); }
CircuitDigest
circuitdigest.com › microcontroller-projects › arduino-alarm-clock
DIY Arduino Based Digital Alarm Clock Project using RTC DS1307 IC and 16x2 LCD Display
June 19, 2025 - This Arduino based Real time clock is a digital clock to display real time using a RTC IC DS1307 which works on I2C protocol. Real time clock means it runs even after power failure.
Arduino
docs.arduino.cc › learn › communication › wire
Inter-Integrated Circuit (I2C) Protocol | Arduino Documentation
Keep reading to learn about how ... two lines to send and receive data: a serial clock pin (SCL) that the Arduino Controller board pulses at a regular interval, and a serial data pin (SDA) over which data is sent between the two devices....
Instructables
instructables.com › circuits › arduino
Real Time Clock : Arduino UNO + DS3231 Rtc Module + LCD 20x4 I2C : 4 Steps - Instructables
May 2, 2023 - Real Time Clock : Arduino UNO + DS3231 Rtc Module + LCD 20x4 I2C: In this project, the DS3231 (real time clock) module has been used to get the current time, date and temperature. They are al displayed on the 20x4 LCD screen. To keep track of time even if the main power source is removed, the DS3231 has a backup …