How Does STM32F103 Use W5500 for Custom MQTT and OneNET IoT?
STM32F103 firmware adds a W5500 SPI port, FreeRTOS tasks, and custom MQTT transport for wired OneNET sensor telemetry.
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Components
Hardware components
WIZnet - W5500
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W5500 Ethernet controller used through STM32F103 SPI2 and WIZnet socket API.
Project description
Overview zp492 is a GitHub maker account with a small public repository set and no public name, country, company, or email listed on the profile. This project is a STM32F103 wired IoT terminal that adds a WIZnet W5500 SPI port, runs FreeRTOS tasks, and sends sensor telemetry to OneNET through a custom MQTT 3.1.1 client. Generated compact overview image: STM32F103, W5500, and OneNET are shown as the main wired MQTT path. The repository is useful because the W5500 integration is not just a wiring note. The code includes w5500_port.c for SPI callbacks and chip initialization, transport.c for…
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