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The DS1302 is supported by a few Arduino libraries and only requires three pins on the microcontroller to operate. ... DS1302-based Real-time Clock (RTC) module with on-board, 20-ppm oscillator. This ...

The Arduino Uno reads the time from a DS1302 real-time clock (RTC) module. The RTC module is crucial for keeping accurate time, even when the Arduino is powered off.

The Arduino fetches the time from a DS1302 RTC module and splits the result up into four-digit time. Code-wise, each digit gets its own array, which stores the active and inactive positions for ...

How to use Arduino Real Time Clock module with DS1302 chip. Posted: June 11, 2025 | Last updated: June 13, 2025. Hi, I'm Bill. I'm a software developer with a passion for making and electronics.

A small, DS1302-based Real-time Clock (RTC) module with on-board, 20-ppm oscillator. This is a small DS1302 PCB with on-board oscillator. This means that if you need a real-time clock (RTC) you don't ...