{"product_id":"w5500-tcp-ip-ethernet-network-module-wiz820io-compatible","title":"W5500 TCP\/IP Ethernet Module – WIZ820IO Compatible Network Interface","description":"\u003ch2\u003eW5500 TCP\/IP Ethernet Network Interface Module – WIZ820IO Compatible\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eW5500 Ethernet Network Module\u003c\/strong\u003e is a compact, high-performance hardware TCP\/IP network interface designed for seamless integration into microcontroller-based projects. Built on the trusted W5500 chip, this module is fully compatible with the WIZ820IO standard, making it a go-to choice for makers, engineers, and developers who need reliable wired Ethernet connectivity.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Hardware TCP\/IP Stack:\u003c\/strong\u003e Offloads network processing from your microcontroller with the W5500's built-in TCP\/IP stack — supporting TCP, UDP, ICMP, IPv4, ARP, IGMP, and PPPoE protocols.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSPI Interface:\u003c\/strong\u003e Communicates via high-speed SPI (up to 80 MHz), making it easy to connect to Arduino, STM32, Raspberry Pi, and other popular platforms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Independent Sockets:\u003c\/strong\u003e Supports up to 8 simultaneous independent connections for versatile multi-channel communication.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWIZ820IO Compatible:\u003c\/strong\u003e Drop-in compatible with WIZ820IO pin layout for effortless upgrades and substitutions in existing designs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10\/100 Mbps Ethernet:\u003c\/strong\u003e Delivers fast and stable wired network speeds suitable for IoT devices, data logging, remote monitoring, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.3V I\/O Voltage:\u003c\/strong\u003e Low-voltage operation ideal for modern microcontrollers, with an integrated LDO regulator for reliable power management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small footprint makes it easy to embed into custom PCBs and enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRJ45 Connector Included:\u003c\/strong\u003e Ready to plug into any standard Ethernet network — no additional adapters required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip:\u003c\/strong\u003e WIZnet W5500\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtocol Support:\u003c\/strong\u003e TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSPI Clock Speed:\u003c\/strong\u003e Up to 80 MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Sockets:\u003c\/strong\u003e 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNetwork Speed:\u003c\/strong\u003e 10\/100 Mbps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 3.3V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SPI (Mode 0, 3)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e RJ45\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino \/ AVR \/ STM32 \/ ESP-based Ethernet projects\u003c\/li\u003e\n  \u003cli\u003eIoT sensor nodes and data loggers\u003c\/li\u003e\n  \u003cli\u003eRemote monitoring and control systems\u003c\/li\u003e\n  \u003cli\u003eIndustrial automation and embedded networking\u003c\/li\u003e\n  \u003cli\u003eSmart home and DIY electronics prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/natural-stone-round-beads-2mm-3mm-tiger-eye-labradorite-agate-diy-jewelry\"\u003eNatural Stone Round Beads 2mm 3mm – Tiger Eye, Labradorite, Agate\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the W5500 Ethernet Network Module and what does it do?\u003c\/h4\u003e\n\u003cp\u003eA: The W5500 is a hardwired TCP\/IP Ethernet controller chip. This module integrates the W5500 with an RJ45 connector and supporting components to give your microcontroller project instant wired Ethernet connectivity via a simple SPI interface — no software TCP\/IP stack required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the W5500 module compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The W5500 module is fully compatible with Arduino boards and other popular platforms like STM32 and Raspberry Pi. The WIZnet Ethernet library supports it natively, and the SPI interface makes wiring straightforward.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is WIZ820IO compatibility and why does it matter?\u003c\/h4\u003e\n\u003cp\u003eA: WIZ820IO is a well-established Ethernet module pinout standard by WIZnet. This W5500 module is pin-compatible with WIZ820IO, meaning you can use it as a direct drop-in replacement in designs originally built around that module — saving you time on redesign and prototyping.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many simultaneous network connections does the W5500 support?\u003c\/h4\u003e\n\u003cp\u003eA: The W5500 supports up to 8 independent, simultaneous socket connections, allowing your device to handle multiple network communication channels at the same time — ideal for IoT applications and multi-client server scenarios.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the W5500 Ethernet Network Module and what does it do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The W5500 is a hardwired TCP\/IP Ethernet controller chip. This module integrates the W5500 with an RJ45 connector and supporting components to give your microcontroller project instant wired Ethernet connectivity via a simple SPI interface — no software TCP\/IP stack required.\"}}, {\"@type\": \"Question\", \"name\": \"Is the W5500 module compatible with Arduino?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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