M5Stack ATOMIC PoE Base W5500 Ethernet Controller Driver Chip

🔌 Atomic PoE Base – Power Over Ethernet Controller for ATOM Series

The Atomic PoE Base is a compact Ethernet controller designed for seamless integration with M5Stack's ATOM series (Atom-Lite, Atom-Matrix, AtomS3, AtomS3-Lite). Featuring Power over Ethernet (PoE) support via IEEE802.3 AF standard, it eliminates the need for external power supplies—reducing wiring complexity and installation costs.

Powered by the W5500 Ethernet chip, this base module delivers reliable wired network connectivity with built-in TCP/IP stack, 8 hardware sockets, and full support for 10/100M Ethernet. Ideal for industrial IoT, automation, and remote control applications.

⚙️ Features

• ✅ Compatible with Atom-Lite, Atom-Matrix, AtomS3, AtomS3-Lite

• 🔌 Supports IEEE802.3 AF PoE standard

• 🌐 Reliable wired Ethernet access via W5500 chip

• 🧠 8 independent hardware sockets for parallel communication

• 📡 Protocol support: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE

• 🔗 Integrated 10BaseT / 100Base-T Ethernet PHY

📦 What's Included

• 1 × Atomic PoE Base Module

🚀 Use Cases

• Remote device control over Ethernet

• Industrial-grade wired network access

• Embedded systems requiring stable internet connectivity

📊 Technical Specifications

🧭 PinMap

📁 Resources

• 📘 W5500 Datasheet

💻 Software & Examples

Arduino Projects

• 🔧 Remote LED Control with Atom-Lite

• 🌐 HTTP Client with AtomS3

• 📶 Link Status Monitor

• ☁️ MQTT Client

• 🖥️ Web Server Example
  
  

UiFlow1 Integration

• 🧱 UiFlow1 Block Documentation
  
  

EasyLoader

🎥 Demo Video

• Connect via Ethernet, access control page through IP, and change RGB LED colors remotely.

🔗 Compatibility

Fully compatible with:

• AtomS3R, Atom EchoS3R, AtomS3R-CAM, AtomS3R-M12, AtomS3R-Ext

• AtomS3, AtomS3-Lite, Atom-Lite, Atom-Matrix, Atom Echo