Adafruit Adalogger Featherwing Shield

Overview

The Adafruit Adalogger Featherwing Shield features an NXP PCF8523 Real-Time Clock/Calendar with Battery Backup, and an SD card interface.

Adafruit Adalogger Featherwing Shield (Credit: Adafruit)

Pin Assignments

Shield Connector Pin	Function
D10	SD card SPI CS
MOSI	SD card SPI MOSI
MISO	SD card SPI MISO
SCK	SD card SPI SCK
SDA	PCF8523 RTC I2C SDA
SCL	PCF8523 RTC I2C SCL

Requirements

This shield can only be used with a board which provides a configuration for Feather connectors and defines node aliases for SPI, I2C and GPIO interfaces (see Shields for more details).

Programming

Set --shield adafruit_adalogger_featherwing when you invoke west build. For example:

# From the root of the zephyr repository
west build -b adafruit_feather_m0_basic_proto --shield adafruit_adalogger_featherwing tests/drivers/rtc/rtc_api