The following project demonstrates "A Real-Time Digital Clock" built using Arduino Uno R3, a 16x2 LCD display, and push buttons—no RTC module required. The project uses Arduino’s internal timing and ...
[![YouTube video](https://img.youtube.com/vi/x066WTiz9Fw/0.jpg)](https://youtu.be/x066WTiz9Fw) [YouTube video](https://youtu.be/x066WTiz9Fw) 1602A Liquid Crystal ...