GitHub

Simple numitron iv-9 desk clock using 4 shift registers, Arduino Uno(or equivalent) and ds3231 RTC clock

According to documentation, the first iv-9 leg is common, second is indication dot. You need to connect common(first) to GND then every single leg to outputs of your ...
GitHub

Design an RTC using Arduino

Designing a Real-Time Clock (RTC) using an Arduino is a useful project for timekeeping and timestamping in various applications. You can use a dedicated RTC module like the DS3231 or DS1307, which ...
electronicsforu

Arduino Based Real-Time Clock With Temperature Display

This project demonstrates how you can build a real-time clock (RTC) with a temperature display using Arduino, DS3231 RTC chip, and SSD1306 OLED display (128×64 pixel). DS3231 RTC chip is more accurate ...
IEEE

Uninterrupted Clock Using GPS, DS3231 RTC & NTP Pool Server

Abstract: Through the use of the Espressif Systems32(ESP32) microcontroller's embedded Global Positioning System (GPS) Neo 6m module, DS3231 RTC, Network time protocol(NTP) Pool Server, and Organic ...