Designing a Programmable Digital Clock with DS1302 and LED Displays
System Overview
This project details the construction of a cost-effective, high-precision digital clock using the DS1302 real-time clock (RTC) chip, a 51-series microcontroller (STC89C52), and 7-segment LED displays. The system provides hour, minute, and second tracking, supports user-defined time adjustment, and ensures data retention during p ...
Posted on Tue, 19 May 2026 08:48:15 +0000 by thankqwerty