DFRobot

W5500 Ethernet with POE IOT Board (Arduino Compatible)

Name: W5500 Ethernet with POE IOT Board (Arduino Compatible)
Brand: DFRobot
SKU: DF-DFR0342
Price: 78.3 AUD
Availability: InStock

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W5500 Ethernet with POE Mainboard is a new member in our Ethernet family. It is based on the ATmega32u4 and W5500 Ethernet chip, which is quite useful to mo...

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W5500 Ethernet with POE Mainboard is a new member in our Ethernet family. It is based on the ATmega32u4 and W5500 Ethernet chip, which is quite useful to most IOT projects. W5500 chip is a Hardwired TCP/IP embedded Ethernet chip that provides easier Internet connection to embedded systems. It enables users to have the Internet connectivity in their applications just by using the board in which TCP/IP stack, 10/100 Ethernet MAC and PHY embedded. W5500 Ethernet Board is uses a high-efficiency SPI protocol, which supports 80 MHz speed for the high speed network communication. In order to reduce power consumption, it also provides WOL (Wake on LAN) and power down mode. It has the same package size with Arduino Leonardo, and is compatible with most of Arduino shields and sensors. With a safer and more professional power regulation chip, the system can work under much more complex environments. And forget about power supply issues, since it work with POE power supply. Convenient huh?

SPECIFICATIONS

Microcontroller: Atmel Atmega32u4 (Arduino Leonardo)
External Input Voltage Plug (recommended): 7V~20V DC
External Input Voltage Plug (limits): 6-23V
POE Input Voltage: 48V AC/DC (802.3af standard PD device)
Digital I/O Pins: 20
Analog I/O Pins: 6
DC Current per I/O Pin: 40 mA
Flash Memory: 32 KB (ATmega32u4) of which 4KB used by bootloader
SRAM: 2 KB (ATmega32u4)
EEPROM: 1 KB (ATmega32u4)
Clock Speed: 16 MHz
PHY: WIZnet W5500
PHY Clock Speed: 25MHz
Dimension: 73.5x53.5x15mm (2.89x2.11x0.59")

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W5500 Ethernet with POE Mainboard x1
Green acrylic board x1
Screws x1

Jargon buster

Plain-language definitions for the technical terms used above.

Bootloader: Small starter software on a microcontroller that lets new code be uploaded before the main program runs. Knowing how to enter bootloader mode matters when you need to program the board or recover it after a faulty sketch.
DC: DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
EEPROM: A type of non-volatile memory that keeps stored data even when power is turned off. In a sensor module, it can be used to store settings or calibration data so they do not need to be re-entered every time.
Flash memory: Flash memory is non-volatile memory that retains stored data even when power is removed, and can be erased and rewritten in blocks. It lets data such as firmware, settings or saved records persist across power cycles.
IoT: Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
microcontroller: A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
PoE: Power over Ethernet lets one Ethernet cable carry both network data and electrical power. This is useful when installing a device where running a separate power adaptor would be difficult.
SPI: A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
SRAM: Fast temporary memory used by a processor while a program is running. More SRAM helps with projects that handle larger data buffers, networking, displays, or more complex code.