Overview
Lo Arduino Ethernet Shield 2 collega il tuo Arduino a internet in pochi minuti. Basta collegare questo modulo alla tua scheda Arduino, connetterlo alla tua rete con un cavo RJ45 (non incluso) e seguire alcuni semplici passaggi per iniziare a controllare il tuo mondo attraverso internet. Come sempre con Arduino, ogni elemento della piattaforma – hardware, software e documentazione – è liberamente disponibile e open-source. Questo significa che puoi imparare esattamente come è fatto e utilizzare il suo design come punto di partenza per i tuoi circuiti. Centinaia di migliaia di schede Arduino stanno già alimentando la creatività delle persone in tutto il mondo, ogni giorno. Unisciti a noi ora, Arduino sei tu!
*Richiede una scheda Arduino (non inclusa)
- Tensione operativa 5V (fornita dalla scheda Arduino)
- Controller Ethernet: W5500 con buffer interno da 32K
- Velocità di connessione: 10/100Mb
- Connessione con Arduino sulla porta SPI
Puoi trovare le informazioni sulla garanzia della tua scheda qui.
Iniziare
Nella sezione Iniziare, puoi trovare tutte le informazioni necessarie per configurare la tua scheda, utilizzare il Software Arduino (IDE) e iniziare a sperimentare con la programmazione e l'elettronica.
Hai bisogno di aiuto?
- Scopri di più sull'Ethernet Shield 2 nella documentazione della libreria Ethernet2
- Ricevi assistenza con i tuoi progetti nel Forum di Arduino
- Contattaci tramite il nostro Supporto Clienti
Tech Specs
The Arduino Ethernet Shield 2 allows an Arduino Board to connect to the internet. It is based on the (Wiznet W5500 Ethernet chip). The Wiznet W5500 provides a network (IP) stack capable of both TCP and UDP. It supports up to eight simultaneous socket connections. Use the Ethernet library to write sketches that connect to the Internet using the Shield. The Ethernet Shield 2 connects to an Arduino Board using long wire-wrap headers extending through the Shield. This keeps the pin layout intact and allows another Shield to be stacked on top of it.
The most recent revision of the board exposes the 1.0 pinout on rev 3 of the Arduino UNO Board.
The Ethernet Shield 2 has a standard RJ-45 connection, with an integrated line transformer and Power over Ethernet enabled.
There is an onboard micro-SD card slot, which can be used to store files for serving over the network. It is compatible with the Arduino Uno and Mega (using the Ethernet library). The onboard micro-SD card reader is accessible through the SD Library. When working with this library, SS is on Pin 4. The original revision of the Shield contained a full-size SD card slot; this is not supported.
The Shield also includes a reset controller, to ensure that the W5500 Ethernet module is properly reset on power-up. Previous revisions of the Shield were not compatible with the Mega and needed to be manually reset after power-up. The current Shield supports a Power over Ethernet (PoE) module designed to extract power from a conventional twisted pair Category 5 Ethernet cable.
PoE module features as follows:
- IEEE802.3af compliant
- Input voltage range 36V to 57V
- Overload and short-circuit protection
- 12V Output
- High efficiency DC/DC converter: typ 85% @ 80% load
- 1500V isolation (input to output)
NB: the Power over Ethernet module is proprietary hardware not made by Arduino, it is a third party accessory. For more information, see the datasheet
The Shield does not come with a built in PoE module, it is a separate component that must be added on. Arduino communicates with both the W5500 and SD card using the SPI bus (through the ICSP header). This is on digital pins 10, 11, 12, and 13 on the Uno and pins 50, 51, and 52 on the Mega. On both boards, pin 10 is used to select the W5500 and pin 4 for the SD card. These pins cannot be used for general I/O. On the Mega, the hardware SS pin, 53, is not used to select either the W5500 or the SD card, but it must be kept as an output or the SPI interface won't work.
Note that because the W5500 and SD card share the SPI bus, only one at a time can be active. If you are using both peripherals in your program, this should be taken care of by the corresponding libraries. If you're not using one of the peripherals in your program, however, you'll need to explicitly deselect it. To do this with the SD card, set pin 4 as an output and write a high to it. For the W5500, set digital pin 10 as a high output.
- The Shield provides a standard RJ45 Ethernet jack.
- The reset button on the Shield resets both the W5500 and the Arduino Board.
- The Shield contains a number of information LEDs:
- ON: indicates that the Board and Shield are powered
- 13 is the Arduino standard built in LED
- ACT: flashes when RX or TX activity is present
- LINK: indicates the presence of a network link and flashes when the Shield transmits or receives data
In this picture below we have tagged the yellow ACT, the green LINK,, the 13 Built in LED and the ON LED.

This shield also hosts Tinkerkit compatible connectors as follows:
- 2 TinkerKit connectors for two Analog Inputs (in white), connected to A2 and A3.
- 2 TinkerKit connectors for two Aanlog Outputs (in orange in the middle), connected to PWM outputs on pins D5 and D6.
- 2 TinkerKit connectors for the TWI interface (in white with 4 pins), one for input and the other one for output.
Conformities
Resources for Safety and Products
Informazioni sul produttore
Le informazioni sulla produzione includono l'indirizzo e i dettagli relativi al produttore del prodotto.
Arduino S.r.l.
Via Andrea Appiani, 25
Monza, MB, IT, 20900
https://www.arduino.cc/
Persona Responsabile nell'UE
Un operatore economico con sede nell'UE che garantisce la conformità del prodotto alle normative richieste.
Arduino S.r.l.
Via Andrea Appiani, 25
Monza, MB, IT, 20900
Phone: +39 0113157477
Email: support@arduino.cc
Documentation
OSH: Schematics
Arduino Ethernet Shield 2 is open-source hardware! You can build your own board using the following files:
EAGLE FILES IN .ZIP SCHEMATICS IN .PDF
Previous Version
Do you own a past version of this product? Check the Arduino Ethernet Shield V1 product page.