---
title: "W5100 Ethernet shield data logger"
url: "https://maker.wiznet.io/WIZnet/projects/w5100-ethernet-shield-data-logger/"
markdown_url: "https://maker.wiznet.io/WIZnet/projects/w5100-ethernet-shield-data-logger/md"
type: "UCC: User Created Content"
author: "cherrychance"
author_url: "https://blog.naver.com/cherrychance/221210104710"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "cherrychance"
original_url: "https://blog.naver.com/cherrychance/221210104710"
published: "2023-02-21"
language: "en"
hardware: ["WIZnet W5100 ethernet shield"]
likes: 4
views: 252
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# W5100 Ethernet shield data logger

> SD memory card + LCD Display + solar panel + RTC DS1302 + Thernistor 10K

Original author: cherrychance (source: https://blog.naver.com/cherrychance/221210104710)

## Components

- **WIZnet W5100 ethernet shield** x 1 ([docs](https://www.wiznet.hk/en/open-source-hardware/102-w5100s-ethernetshield.html?search_query=W5100+ethernet+shield&results=84))

## Article

**DETAILS**

![](https://maker.wiznet.io/uploads/2021/08/mega4-300x182.jpg)

![](https://maker.wiznet.io/uploads/2021/08/mega2-300x83.jpg)

## **Arduino Mega 2560(ATmega2560) microcontrol board**

![](https://www.devicemart.co.kr/data/goods/1/2018/06/34405_tmp_d536587dbf85e212a94abbbd577502238169view.png) 아두이노 > 정품보드/쉴드/키트,Arduino,Arduino Mega 2560 (R3),A000067 / 이탈리아 정품 / ATmega2560 기반, 디지털 I/O 54핀 및 아날로그 입력 16핀 / 256KB 메모리 / 동작 전압 : 5V" data-src="https://www.devicemart.co.kr/data/goods/1/2018/06/34405_tmp_d536587dbf85e212a94abbbd577502238169view.png" width="304" height="304">

- Operating Voltage 5V

- Input Voltage (recommended) 7-12V

- Input Voltage (limits) 6-20V

- Digital I/O Pins 54 (of which 14 provide PWM output)

- Analog Input Pins 16

- DC Current per I/O Pin 40 mA

- DC Current for 3.3V Pin 50 mA

- **Flash Memory 256 KB of which 8 KB used by bootloader**

- SRAM 8 KB

- EEPROM 4 KB

- Clock Speed 16 MHz

## **SD Library from Arduino**

<https://www.arduino.cc/reference/en/libraries/sd/>

![](https://maker.wiznet.io/uploads/2021/08/mega3-300x162.jpg)

## **DS1302RTC Library from Arduino**

<https://www.arduino.cc/reference/en/libraries/rtc/>

## **Display Library from Arduino**

<https://www.arduino.cc/reference/en/libraries/category/display/>

---

Source: https://maker.wiznet.io/WIZnet/projects/w5100-ethernet-shield-data-logger/