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ESP32 Ethernet W5500 MQTT

Arduino-based project that uses ESP32 and W5500 Ethernet modules to connect to an MQTT broker and post messages periodically.

WIZnet

Published September 04, 2023

Original author: Asyasyarif · IndonesiaOriginal source (new tab)

ESP32 Ethernet W5500 MQTT

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Project description

Project Description Arduino-based project that uses ESP32 and W5500 Ethernet modules to connect to an MQTT broker and post messages periodically. Include libraries : <SPI.h> : Library for SPI communication. <Ethernet.h> : Library for Ethernet connectivity. <PubSubClient.h> : Library for MQTT communication. Define constants and variables : ETHERNET_MAC : MAC address of the Ethernet module. ETHERNET_IP : IP address to be used when connected via Ethernet. ETHERNET_RESET_PIN, ETHERNET_CS_PIN : Pin numbers for Ethernet module-related pins. MQTT_HOSTNAME, MQTT_PORT : MQTT broker host and port…

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