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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
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A Feather board without ambition is a Feather board without FeatherWings! This is the DS3231 Precision RTC FeatherWing: it adds an extremely accurate I2C-integrated Real Time Clock (RTC) with a Temperature Compensated Crystal Oscillator (TCXO) to any Feather main board. This RTC is the most precise you can get in a small, low power package. Using our Feather Stacking Headers or Feather Female Headers you can connect a FeatherWing on top of your Feather board and let the board take flight!
Most RTCs use an external 32kHz timing crystal that is used to keep time with low current draw. And that's all well and good, but those crystals have slight drift, particularly when the temperature changes (the temperature changes the oscillation frequency very very very slightly but it does add up!) This RTC is in a beefy package because the crystal is inside the chip! And right next to the integrated crystal is a temperature sensor. That sensor compensates for the frequency changes by adding or removing clock ticks so that the timekeeping stays on schedule.
With a CR1220 12mm coin cell plugged into the top of the FeatherWing, you can get years of precision timekeeping, even when main power is lost. Great for datalogging and clocks, or anything where you need to really know the time.
Note: A CR1220 coin cell is required to use the battery-backup capabilities!
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
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No product available!
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Module with a precise real time clock (RTC) DS3231. It has an integrated crystal resonator and communicates via the I2C interface. Adafruit 5188
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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
No product available!
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
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
Real time clock module based on the Dallas DS1307 chip. Backup of settings with CR1225 battery. SparkFun BOB-12708
Real time clock (RTC) module dedicated to Raspberry Pi. Based on the Dallas DS3231 chip, it has a built-in backup battery
Module with real-time clock and CR1225 battery socket for voltage backup. It communicates via the I2C interface. Seeed Studio 103030277
Module with a precise clock RTC DS3231 dedicated to the Raspberry Pi Pico. Communication via the I2C interface. SB Components 21420
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
Real-time clock with PCF8563 chip and battery backup. Modally MOD-48.Z
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