The Feather M0 Adalogger is a classic board that doesn't have the same power as its newer siblings, but it's still good for logging.  Best of all, no soldering is necessary to access the SD card.

To mount the SD card, use the following code.  Remember, to put it in the file on CIRCUITPY so you can easily call it from or the REPL with import mount_sd.

import adafruit_sdcard
import board
import busio
import digitalio
import storage

spi = board.SPI()
cs = digitalio.DigitalInOut(board.SD_CS)

sdcard = adafruit_sdcard.SDCard(spi, cs)
vfs = storage.VfsFat(sdcard)
storage.mount(vfs, "/sd")
Angled shot of rectangular microcontroller with a MicroSD card installed.
Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller...
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Hand removing/installing micro SD card from SD adapter
Add mega-storage in a jiffy using this 8 GB class 4 micro-SD card. It comes with a SD adapter so you can use it with any of our shields or adapters. Preformatted to FAT so it works out...
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This guide was first published on Jul 31, 2020. It was last updated on Apr 15, 2024.

This page (Adalogger M0 Feather) was last updated on Mar 08, 2024.

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