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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
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!
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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
Lithium Coin Cell Battery, 3V, 12x2mm
No product available!
Cap for use with shallow Feather series, with radio module RFM95W 900MHz. It offers a range of up to 2 kilometers (the range can be increased by using an external antenna). It has a SPI interface. Adafruit 3231
Gamepad module (game controller) with joystick and buttons. Designed for Feather tiles. Adafruit 3632
Extension module dedicated to matrix displays with HUB75 interface. Designed for Feather RP2040, M0 and M4 series tiles. Adafruit 3036
Pin expander designed for Feather plates. It is equipped with three sets of female strips and holes for prototyping. Adafruit 3417
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Module with 3-axis accelerometer ADXL343 and precise temperature sensor ADT7410 dedicated to Feather series boards. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4147
Data logger dedicated to Feather plates. Equipped with RTC clock, battery slot and micro SD card slot. Adafruit 2922
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No product available!
CAN controller module for Feather boards. It features an MCP2515 CAN controller and a TJA1051 transceiver and allows data transfer at speeds of up to 1Mb/s. Adafruit 5709
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The expansion module (shield) is designed for Feather nRF52840 boards. It enables easy connection of 16x32, 32x32 and 64x32 matrix displays. Requires self-assembly. Adafruit 4702
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