Adafruit has this week added two new add-on boards to their ever-growing range of Feather development boards and accessories with the launch of the DS3231 Precision RTC FeatherWing, RTC and SD card Adalogger FeatherWing add-on for Feather boards.
The new add-on allows users to benefit from extremely accurate 2C-integrated Real Time Clock (RTC) with a Temperature Compensated Crystal Oscillator (TCXO) and can be added to any Feather mainboard.
Adafruit say that the new RTC is the most precise you can get in a small Adafruit explains more :
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.
A Feather board without ambition is a Feather board without FeatherWings! This is the Adalogger FeatherWing: it adds both a battery-backed Real Time Clock and micro SD card storage to any Feather main board. 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!
For more information on the new Feather add-on boards jump over to the Adafruit website for details.
Source: Adafruit
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