Waveshare RTC PCF8563 clock module

DS3231 Precision RTC FeatherWing adds an extremely accurate I2C-integrated Real Time Clock (RTC) with a Temperature Compensated Crystal Oscillator (TCXO) to any Feather main board. Adafruit 3028

Module with real-time clock and CR1225 battery socket for voltage backup. It communicates via the I2C interface. Seeed Studio 103030277

HAT module with RTC DS3231SN clock and MAX705 reset system designed for Raspberry Pi and Jetson Nano. The board has a CR1220 battery socket and a C-type USB connector. Waveshare RTC WatchDog HAT

The DS1307 RTC Module is a real-time clock module and a CR1220 battery backup battery. Communicates via the I2C interface. DFRobot DFR0386

RTC DS1307 real-time clock module and battery CR1220 for the WeMos D1 Mini

Real time clock (RTC) module PCF8523. It uses the STEMMA QT connector and communicates via the I2C interface. Adafruit 5189

RTC DS1307 real-time clock module and MicroSD card slot for the WeMos D1 Mini.

Module with a precise clock RTC DS3231 dedicated to the Raspberry Pi Pico. Communication via the I2C interface. SB Components 21420

The RTC module with the Dallas DS1307 system and Atmel AT24C32 memory is a compact and energy-saving module that combines a precise real-time clock with 32 kb EEPROM memory, communicates via the I2C interface and time backup with a CR2032 battery, ideal for integration with microcontrollers in various electronic projects

Module with a precise clock RTC DS3231. Communication via the I2C interface. Waveshare Pico-RTC-DS3231

Real-time clock module based on the RV3028 chip. It is powered with the voltage from 2 to 5 V and communicates via the I2C interface. There is also a socket with a battery on the board. Pimoroni PIM449

Module with a precise real time clock (RTC) DS3231. It has an integrated crystal resonator and communicates via the I2C interface. DFRobot DFR0819

Module with a precise real time clock (RTC) DS3231. It has an integrated crystal resonator and communicates via the I2C interface. Adafruit 5188

The DS3231 Real Time Clock (RTC) module with CR2032 battery is a precise and reliable I2C enabled component that provides time and date tracking, maintains accuracy when main power is disconnected, and offers alarm and wake-up functions with easy connectivity to various platforms such as such as Arduino, Raspberry Pi or STM32

Clock & Timer Development Tools Gravity I2C SD2405 RTC. DFR0469

KAmodM41T82 is a module with the STMicroelectronics M41T82 RTC clock. The chip allows precise timing, and an additional battery connector allows you to maintain the power supply when the main power is turned off. Communication with the module is realized via I2C bus.