Adafruit Adalogger FeatherWing - RTC + SD Add-on for Feather Boards

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The Adafruit Adalogger FeatherWing is an add-on board designed for all Feather main boards, providing a battery-backed Real Time Clock (RTC) and micro SD card storage capabilities. This FeatherWing features an I2C real time clock (PCF8523) with a 32KHz crystal and battery backup, and a microSD socket that connects to the SPI port pins plus an extra pin for CS. It's tested and compatible with all Feather boards, making it easy to add datalogging functionality to your projects.Important: Does not come with a micro SD card. A CR1220 coin cell battery is required to use the RTC battery-backup. The battery is not included by default for ease of shipping internationally but can be purchased separately.For wiring, pinouts, and example code (Arduino & CircuitPython), please visit the related Adalogger FeatherWing tutorial guide. Battery-backed Real Time Clock (PCF8523) with 32KHz crystal Micro SD card socket for data storage Compatible with all Feather main boards Uses I2C for RTC and SPI for SD card communication Small form factor PCB: 50.8mm x 22.9mm x 1.6mm Weight: 5.1 grams Show more