---
title: "Using MicroSD on the W5100S-EVB-Pico Expansion Board"
url: "https://maker.wiznet.io/won/projects/Using-MicroSD-on-the-W5100SEVBPico-Expansion-Board/"
markdown_url: "https://maker.wiznet.io/won/projects/Using-MicroSD-on-the-W5100SEVBPico-Expansion-Board/md"
type: "UCC: User Created Content"
author: "won"
author_url: "https://maker.wiznet.io/won/"
original_author: "won"
original_url: "https://rudalskim.tistory.com/432?category=960168"
published: "2022-04-20"
language: "en"
hardware: ["WIZnet W5100S-EVB-Pico"]
likes: 0
views: 156
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Using MicroSD on the W5100S-EVB-Pico Expansion Board

> Using MicroSD on the W5100S-EVB-Pico Expansion Board

Original author: won (source: https://rudalskim.tistory.com/432?category=960168)

## Components

- **WIZnet W5100S-EVB-Pico** x 1 ([docs](https://docs.wiznet.io/Product/Chip/Ethernet/W5100S/w5100s-evb-pico))

## Documents and links

- [MicroSD Test Code](http://maker.wiznet.io/uploads/2022/04/code.PNG) (code)

## Article

**Example W5100S-EVB-Pico Expansion BoardEx) Using MicroSD with Expansion Board** -Copy **[adafruit_sdcard.py](https://github.com/adafruit/Adafruit_CircuitPython_SD/blob/main/adafruit_sdcard.py)**from the libraries provided by ‘adafruit circuitpython’ into the lib directory of the raspberry pi. (adafruit sdcard.py librariy: <https://github.com/adafruit/Adafruit_CircuitPython_SD/blob/main/adafruit_sdcard.py>) -**Wrote English and Hangul as a test, both languages were read normally, ** -**Read the file list, I found that the newly saved test01.txt file was added.**

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Source: https://maker.wiznet.io/won/projects/Using-MicroSD-on-the-W5100SEVBPico-Expansion-Board/