Real Time Clock Module - RTC module with DS1307

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

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

The SD3031 precision real-time clock (RTC) module. It has an integrated quartz resonator, on-board SRAM and communicates via an I2C interface. DFRobot DFR0998

Adafruit 255 - ChronoDot - Ultra-precise Real Time Clock - v2.1

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

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 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) DS3232. It has an integrated crystal resonator, built-in SRAM memory and communicates via the I2C interface. DFRobot DFR0821

Real time clock (RTC) module. It allows you to read data about the date and time. Communication with the module takes place via the I2C interface. SparkFun BOB-16281

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

Real-time clock with PCF8563 chip and battery backup. Modally MOD-48.Z

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.

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

Module with a precise clock RTC DS3231 dedicated to the Raspberry Pi. It communicates via the USB interface. SB Components 21185

Module with real time clock (RTC) PCF8523 dedicated for minicomputers Raspberry Pi. It communicates via the I2C interface. Adafruit 3386

RTC DS1302 real time clock module with CR2032 battery holder and solder pins