Arduino uno Ethernet Shield W5100
Arduino Ethernet Shield W5100
548.00৳  Add to cart

Arduino Ethernet Shield W5100

548.00৳ 

The Arduino Ethernet Shield connects an Arduino to the internet. The Wiznet W5100 ethernet chip powers it. The Wiznet W5100 has an IP stack that supports TCP and UDP. It can handle four-socket connections at once. Use the Ethernet library to connect the shield to the internet. The Ethernet Shield connects to an Arduino board using lengthy wire-wrap headers. The pin configuration is preserved and another shield can be put on top.

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Arduino uno Ethernet Shield W5100 is compatible with both the Uno and Mega boards from the Arduino family (using the Ethernet library). The SD Library provides access to the board’s built-in microSD card reader. SS is connected to Pin 4 while using this library.


The Arduino uno Ethernet Shield W5100 has a conventional RJ-45 connector and supports Power over Ethernet.
The onboard micro-SD card slot can store files for network serving. It works with Arduino, Crowduino, and Mega (using the Ethernet library). The SD Library provides access to the microSD card reader. SS is on Pin 4 while using this library.

The most recent version of the shield also has a reset controller, which makes sure that the Arduino Uno Ethernet Shield W5100 is properly reset when the power is turned on. A previous version of the shield didn’t work with the Mega, and it had to be manually reset when it was turned on. The shield now works with the Mega. In the first version of the shield, there was a slot for a full-size SD card; this is not supported.

With FTDI USB cables and basic USB-to-serial breakout boards like those made by Sparkfun and Adafruit, the 6-pin serial programming header can be used for programming. Arduino Uno Ethernet Shield W5100 has support for automatic reset, which means that sketches can be uploaded without having to press the reset button on the board. This means that when you plug in an FTDI-style USB adapter, your Arduino and Ethernet shield get power from the adapter.

The current Arduino Uno Ethernet Shield W5100 has a Power over Ethernet (PoE) module that can get power from a traditional twisted pair Category 5 Ethernet cable. This module is called a PoE switch.

Arduino uno Ethernet Shield W5100 Features:

IEEE802.3af-compliant, as well as
It has low output ripple and noise (100mV pp).
It can take in voltages from 36V to 57V.
Protection against overload and short circuits.
This is how it works: 9V out.
Most efficient DC/DC converter: 75% at 50% load typ
1500 volts is the isolation (input to output).
Note that the Power over Ethernet module is not made by Arduino. It is a third-party add-on. Here are some other things you can look at to learn more:

The Arduino Uno Ethernet Shield W5100 doesn’t come with the PoE module built in. It’s a separate piece that must be added on to the shield itself.

Both the W5100 and SD card communicate with Arduino through the SPI bus, which is used to connect them (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, which are on the Duemilanove. Both boards use pin 10 to choose the W5100 and pin 4 to choose the SD card. In general, these pins can’t be used for i/o. It’s not used to choose between the W5100 or the SD card on the Mega, but it must be kept as an output or the SPI interface won’t work.

Because the W5100 and SD card share the same SPI bus, only one can be running at a time. This is important to know. The libraries for each of the two peripherals should take care of this if you use them in your program. If you don’t want to use one of the peripherals in your program, you’ll have to make sure to uncheck it. It’s easy to do this with the SD card. To do this, set pin 4 as an output and write a high there. When you use the W5100, set the digital pin number 10 to be a high output.

Arduino uno Ethernet Shield W5100 Specifications:

  • The operating voltage is 5V. (supplied from the Arduino Board).
  • The Ethernet controller is the W5100 with an internal 16K buffer.
  • The connection speed is 10/100Mb.
  • It connects to an Arduino on the SPI port.
  • The Shield has a lot of LEDs that give you information.
  • PWR: shows that the board and shield are plugged in.
  • Link: shows that there is a network link and flashes when the shield sends or receives data.
  • Full duplex: This means that the network connection is full duplex.
  • 100M: This means there is a network connection that is 100 Mb/s instead of 10 Mb/s.
  • RX: lights up when the shield gets data.
  • When the shield sends data, TX lights up.
  • When the shield sends data, TX lights up.
  • COLL: lights up when network collisions are found.

The solder jumper marked “INT” can be connected to let the Arduino board get interrupt-driven notifications of events from the W5100. This isn’t supported by the Ethernet library, so you can’t do this. W5100 digital pin 2 is connected to the INT pin of the W5100 by a jumper.

Package Includes:

1 * Arduino Uno Ethernet Shield W5100

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