Arduino Library for RTCs, Ds1302, Ds1307, Ds3231, Ds3232, Ds3234 and Pcf8563/BM8563 with deep support. Please refer to the Wiki for more details. Please use the Github Discussions to ask questions as the GitHub Issues feature is used for bug tracking.

DS1307 full function driver library for general MCU and Linux.

MicroPython driver for TinyRTC I2C modules with DS1307 RTC and AT24C32N EEPROM

An STM32 HAL library for the DS1307 real-time clock IC.

DS1307 Real Time Clock Library

STM32 DS1302 RTC Library

24hr digital clock using 8051 and RTC DS1307

AVR Microcontroller Projects

Arduino library to support DS1307 and similar I2C real-time clocks. The library can autoprobe to find the actual hardware based on I2C address and registers.

When your project needs to be unplugged, how to keep the time counting? This library can help you set up the current time.

DS1307 RTC (Real Time Clock) library for Arduino

CAN interface for Raspberry Pi Zero

A simple arduino project. Measures vibration and logs to a SD card.

DS1307 RTC Driver for esp-idf

Bit-bang i2c protocol for interfacing with DS1307 RTC

A set of projects and libraries for a Microchip PIC 16F18346 Micro-controller. 20 pin, 8 bit , XC8.

Arduino code that displays on a Nokia 5510 LCD the Date and the Time and also calculates and displays Salat Time (prayer time) for a given town.

DS1307 RTC package

A digital clock using ATMega16 or ATMega32 and DS-1307 RTC that is set using a UART connection to computer, the time is got and sent using a GUI application written in Python.

Real-Time Clock (RTC) library for Arduino