Leonardo 32U4 + Ethernet with SD card

Arduino Development Broad for Ethernet with SD card
The Leonardo 32U4 + Ethernet with SD card is created on the bases that the controller can play a role of a fully functional net member. As a net member role, the Leonardo 32U4 + Ethernet with SD card can gather data from different devices or industrial equipment and send gathered data through local network or internet as well as storing that data on a micro SD card. The Leonardo + Ethernet(V2) is a fully functional Ethernet-device and can assume the position of server, receive queries from other NET devices and services in local network and internet, and answer those queries. It can also act as self-contained unit, capable of autonomous reaction in response to changes in network, according to planned algorithm.The board unites two controllers: Leonardo on base of ATmega32U4 microcontroller and Net-controller Ethernet WizNet W5500 TCP/IP with optional function PoE (receiving power directly through Ethernet cable). The Leonardo 32U4 + Ethernet with SD card is also a HID device. It can be used in a similiar way that one would use a mouse or keyboard on a connected computer, in addition to (CDC) sequenced/COM-port. You can program the controller so that it can control the application on your PC, through remote access or through the internet as a NET device. For example: you can set up an algorithm that turns on your PC, opens and controls applications. The board itself can open Arduino IDE, open sketches and upload it to the board.
technical details

Quick Spec

  • Input Voltage (VIN/DC jack): 7~24V
  • Power IN (USB): 5V-limit 500mA
  • Power IN (PoE): 48V(Input), 9V(Output)
  • Digital I/O: 23
  • PWM Output: 7
  • Analog I/O: 12
  • PCB Size: 53.3×68.6mm
  • Weight: 41g
  • Operating Voltage: 5V
  • Flash memory: 32KB of which 4KB used by bootloader
  • SRAM: 2KB
  • Clock Speed: 16MHz
  • Ethernet Microcontroller: Wiznet W5500(Cortex M0)
  • PHY compliance: 10BaseT/100BaseTX Ethernet. Full and half duplex
  • Memory: Internal 32Kbytes Memory for Tx/Rx Buffers
  • TCP/IP Protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
  • PHY Clock Speed: 25MHz
how to use




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