V3.0 - Using NodeMCU ESP8266 for controlling switches (Relay). Uses RTC (Real Time Clock - DS3231) and NTP (Network Time Protocol) for maintaining time. OLED Display (128x64) for instant updates. A webserver for Manual Controls. Vast application including Aquariums and IOT related.

xmlhttprequest arduino ssr smart-home aquarium-controller esp8266-arduino aquarium-automation rtc-module oled-display-ssd1306 ota-update modern-ui ota-firmware-updates nodemcu-esp8266 ds3231-arduino bootstrap5 esp-now relay-modules

Updated Jun 5, 2025
C++

Hatem-Zehir / Islamic-prayer-times-Arduino

Star

Arduino code that displays on a Nokia 5510 LCD the Date and the Time and also calculates and displays Salat Time (prayer time) for a given town.

arduino lcd-display ds1307 rtc-module nokia5110lcd

Updated Feb 18, 2025
C++

jensma-de / MM58167-ISA-RTC

Star

RTC module for the ISA slot. With schematics, project files in kicad and open source software to drive the clock.

dos rtc kicad 8080 8088 8086 rtc-module xt 8086-programs

Updated Oct 12, 2024
BASIC

shahilshajahan / Arduino-RTC-Timing-Switch

Star

Automate AC appliance control with Arduino UNO, DS3231 RTC, and a Relay Module. Effortlessly schedule on/off timings for a smarter, more efficient home. Dive into DIY home automation with this accessible Arduino project!

Updated Aug 17, 2026
C++

AmigaPorts / stm_rtc

Star

STM32 emulator of msm6264b RTC for Amiga computers

hardware stm32 amiga rtc stm32f0 rtc-module

Updated Sep 3, 2020
C

desiFish / Smart-Aquarium-V3.1-Lite

Star

This is an ESP8266-based aquarium controller providing web-based management of 2 relay outputs. It features multiple control modes (manual, scheduled, timer, toggle), OTA updates, time synchronization, and persistent settings storage. Built with AsyncWebServer and LittleFS, it offers a responsive web UI and RESTful API for remote control.

Updated Mar 30, 2026
HTML

Vaishnavi-Pothugunta / Automatic-Watering-System

Star

Technical Answers to Real-World Problems. Evolution of Watering Manually to Watering Automatically.

arduino relay arduino-uno soil-moisture-sensor rtc-module ds3231-arduino rtc-ds3231

Updated Dec 29, 2021
Jupyter Notebook

Amarok24 / A1k-SimpleClock

Star

A neat RTC for Commodore Amiga 500 and 1000 which fits under the M68k CPU.

amiga rtc-module amiga-hardware realtime-clock

Updated Jun 28, 2022

Mohammed-AhmedAF / GUI-DigitalClock

Star

A digital clock using ATMega16 or ATMega32 and DS-1307 RTC that is set using a UART connection to computer, the time is got and sent using a GUI application written in Python.

c avr i2c atmega32 atmega16 tkinter uart ds1307 rtc-module

Updated Mar 11, 2023
C

torikul007 / SmartAttend-IoT-Based-RFID-Attendance-System

Star

Attendance System provides fast, reliable attendance and registration with RFID cards, syncing data live to Google Sheets. It seamlessly stores data offline during WiFi outages and auto-syncs when online again, featuring real-time clock, vibrant TFT display, buzzer feedback, WiFi signal indicator, and easy mode switching. Repot send on Mail

esp32 wifi rfid-rc522 tft-display rtc-module attendance-management-system smart-attendance-system online-offline-application

Updated Jul 26, 2025
C++

nithinmathewjoji / Schrodinger-Clock-PCB-Watch-

Star

An open-source ESP32-S3-based smartwatch with RTC, I2C display, buzzer, LEDs, and battery monitoring. Designed using KiCad, it features a compact PCB layout, Li-Po battery support, and USB charging