---
title: "Squama Ethernet ? Arduino W5500 Ethernet Board"
url: "https://maker.wiznet.io/teddy/resellers/Squama-Ethernet-Arduino-W5500-Ethernet-Board-by-teddy/"
markdown_url: "https://maker.wiznet.io/teddy/resellers/Squama-Ethernet-Arduino-W5500-Ethernet-Board-by-teddy/md"
type: "VAR: Value-Added Reseller Products"
author: "teddy"
original_author: "teddy"
original_url: "http://wiznetmuseum.com/?post_type=avada_portfolio&p=19980"
published: "2021-01-22"
language: "en"
likes: 0
views: 359
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Squama Ethernet ? Arduino W5500 Ethernet Board

> Squama Ethernet ? Arduino W5500 Ethernet Board

Original author: teddy (source: http://wiznetmuseum.com/?post_type=avada_portfolio&p=19980)

## Article

## Specifications

- MCU: ARM Cortex-M0+ CPU running at up to 48MHz

- Clock speed: 48MHz

- Flash memory: 256KB

- RAM: 32KB

- Input voltage: 5V via USB and 48~57V via PoE

- Output Current @ 5V: 2A

- Size: 62x30 mm

- Weight: 15g (without PoE), 20g (with PoE)

- ?8 independent sockets simultaneously

- High-Speed Serial Peripheral Interface(SPI MODE 0, 3)

- Internal 32Kbytes Memory for TX/RX Buffers

- 10BaseT/100BaseTX Ethernet PHY embedded

- Supports Auto-Negotiation (Full and half-duplex, 10 and 100* based )

- Not supports IP Fragmentation

- WS2812B Led

- Reset Button and User Button

- Grove connector for I2C and UART

- Arduino Zero bootloader

- Supports Power-down mode

- Supports Wake on LAN over UDP

## Hardware Overview

**1. LED indicators:**

- S:

- P: Power

- L: D13

**2. RJ45 Connector, 10/100M3. WS2812B LED, connected to D124. User button, connected to D116. Pinout17. I2C8. UART (Use Serial2 in the code)9. TypeC connector for programmingA. Pinout2*B. Reset ButtonC. ATSAMD21G18 chip**

---

Source: https://maker.wiznet.io/teddy/resellers/Squama-Ethernet-Arduino-W5500-Ethernet-Board-by-teddy/
