RAK3272-SiP and W5500 Ethernet controller
Discussion about using RAK13800_W5100S Arduino library while building RAK3272-SiP-based module with W5500 to handle dual communication channels using SPI.
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Components
Hardware components
WIZnet - W5500
x 1
RAK - RAK3272-SiP Breakout Board
x 1
Project description
🔎 Context The original poster wanted to build a custom RAK3272-SiP-based module with a W5500 Ethernet controller to handle dual communication channels using SPI. They tried using the RAK13800_W5100S Arduino library (designed for the W5100/W5100S) but ran into problems: detection works, but the system hangs after Ethernet.begin(), both in DHCP and static IP modes. 🧪 What Happened 1. Initial Setup & Symptoms The setup includes the RAK3272-SiP connected to a W5500 module over SPI. The Arduino sketch detects the module (via SPI); if it’s not present it reports “no module”. However, once…
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