W5500 Ethernet with POE IoT Board (Arduino Compatible)
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Description
The W5500 Ethernet with POE IoT Board combines an ATmega32u4 microcontroller with an integrated WIZnet W5500 Ethernet controller on an Arduino Leonardo footprint. Designed for makers, students, and engineers, it provides reliable hardwired network connectivity and power delivery over a single Ethernet cable for IoT and automation projects.
ATmega32u4 processing core
Powered by an Atmel ATmega32u4 running at 16 MHz, the board includes 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM. It offers direct pinout and software compatibility with the Arduino Leonardo platform.
Hardwired W5500 Ethernet interface
The onboard WIZnet W5500 chip integrates a hardwired TCP/IP stack, 10/100 Ethernet MAC, and PHY. It communicates via a high-efficiency SPI interface supporting clock speeds up to 80 MHz, alongside Wake on LAN (WOL) and power-down modes.
802.3af Power over Ethernet support
Equipped with an 802.3af standard Power over Ethernet receiver, the board operates directly from 48V AC/DC network lines. The V2.0 hardware revision features an upgraded power regulation circuit for stable power delivery in demanding environments.
Flexible power input options
In addition to PoE, the board accepts external DC power between 7V and 20V via its power plug, with operational input limits spanning 6V to 23V.
Standard I/O and shield compatibility
The board provides 20 digital I/O pins delivering up to 40 mA each and 6 analogue input pins within a compact 73.5 x 53.5 x 15 mm footprint. Its layout maintains compatibility with standard Arduino shields and sensor modules.
Downloads & documentation
Specifications
| Microcontroller | Atmel Atmega32u4 (Arduino Leonardo) |
| 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") |
In the box
| W5500 Ethernet with POE Mainboard | 1 |
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