Arduino Ethernet Shield (Wiznet W5100) - Clone
25,00 USD
This Arduino Ethernet Shield which is based on the Wiznet W5100 (datasheet) Ethernet Chip gives you an easy way to get your Arduino Online.
This version support micro SD card (TF card) to read and write The expansion board with a stackable design can be directly plugged into the Arduino. This is a clone without MCU on it and POE functions, but arduino stackable, achieve most functions for ethernet use. It uses the Ethernet library to write sketches which connect to the internet via a standard RJ45 Ethernet jack using the shield.
Arduino communicates with both the W5100 and SD card using the SPI bus (through the ICSP header). This is on digital pins 11, 12, and 13 on the Duemilanove and pins 50, 51, and 52 on the Mega. On both boards, pin 10 is used to select the W5100 and pin 4 for the SD card. These pins can not be used for general i/o. On the Mega, the hardware SS pin, 53, is not used to select either the W5100 or the SD card, but it must be kept as an output or the SPI interface won't work.
Note that because the W5100 and SD card share the SPI bus, only one can be active at a time. 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 W5100, set digital pin 10 as a high output.
Note:
This is not an original Arduino brand product, it is a look-alike Arduino Ethernet shield board with the same components and functionality.
Features:
- Support Arduino official Ethernet Library.
- It adds a micro-SD card slot, which can be used to store files for serving over the network.
- It is compatible with the Arduino Duemilanove (168 or 328), Uno as well as Mega (1280/2560) and can be accessed using the SD library.
- The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP.
- It supports up to four simultaneous socket connections.
- Use the Ethernet library to write sketches which connect to the internet using the shield.
W5100 Features:
- Support Hardwired TCP/IP Protocols TCP, UDP, ICMP, IPv4 ARP, IGMP, PPPoE, Ethernet
- 10BaseT/100BaseTX Ethernet PHY embedded
- Support Auto Negotiation (Full-duplex and half duplex)
- Support Auto MDI/MDIX
- Support ADSL connection (with support PPPoE Protocol with PAP/CHAP Authentication mode)
- Supports 4 independent sockets simultaneously
- Not support IP Fragmentation
- 0.18 μm CMOS technology
- 3.3V operation with 5V I/O signal tolerance
- Small 80 Pin LQFP Package
- Lead-Free Package
- Support Serial Peripheral Interface (SPI MODE 0, 3)Multi-function LED outputs (TX, RX, Full/Half duplex, Collision, Link, Speed)
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