Description W5500 Ethernet Network Module SPI Interface Ethernet/IP Protocol 80 MHz High-Speed ​​SPI Interface Built-in Hardware TCP/IP Protocol Stack, Users Require Minimal Complex Network Protocol Knowledge Supports Up To 8 Socket Connections Supports UDP, ICMP, IPv4, IGMP, PPPoE Protocols Integrated Data Link Layer, Physical Layer Supports Wake-on-Shutdown Supports High-Speed ​​Serial Peripheral Interface (SPI Mode 0 ~ 3) Internal 32K Byte Transceiver Buffer Embedded 10BaseT/100BaseTX Ethernet Physical Layer (PHY) Supports Auto-Negotiation (10/100-based Full Duplex/Half Duplex) IP Fragmentation Not supported 3.3V operating voltage, I/O signal connector 5V standby voltage LED status indicator (full/half duplex, network connection, network speed, activity status) Ultra-small pin package for embedded applications Provides application routines for C Product features: Power supply mode: 3.3V external power supply, current should be 200mA Control interface form: 3.3V TTL level, SPI interface; 2* single row of pins Color: green Material: ABS Size: 23 x 25 mm Package Contents: 1 * W5500 Ethernet Network Module Only the above package contents, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the original. The allowable measurement error is +/- 1-3 cm.