This is basically the arduino.cc sample turned into a library for easier reusability. It's not perfect but it does the job. void clockWrite(byte year, byte month, byte day, byte wday, byte hours, byte ...

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.

DS1302 RTC Module, 5V relay module, 28BYJ-48 Stepper Motor, 0.96" OLED display, 10W speaker, 5V DC BO Motor, 24V Solenoid Valve, 12V DC Adapter, 250W water heater. Project Used Software. Arduino IDE, ...

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 ...