Here is a tutorial to show you how to use M5Stack core2 with their W5500 Lan Modules. This is the link that you can buy it;)  https://shop.m5stack.com/products/lan-module?variant=16804778803290 Note if Core2 or Core2-for-aws is your main controller to plug with this module, DC power input must be used and set the input mode as power mode. (otherwise the module will not start normally) Note: When using the CORE2 or CORE2-FOR-AWS main … Continue reading M5Stack#LAN W5500 with MQTT