How Does a W5500 Gateway Convert Modbus Sensor Data to MQTT?
A Bengbu University patent application links RS-485 sensors to a GD32F303CET6 gateway that packages data as MQTT and sends it through W5500 Ethernet.
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Components
Hardware components
WIZnet - W5500
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Named in the gateway module to carry MQTT-formatted sensor data from the GD32-based gateway toward a cloud IoT platform over wired Ethernet.
Project description
Overview How can a serial field sensor reach a cloud Internet of Things (IoT) service without making the sensor itself speak Ethernet or MQTT? CN114268520A proposes a compact answer: receive sensor data through a 485 interface, pass it to a GD32F303CET6 microcontroller, package the data for MQTT, a lightweight publish/subscribe messaging protocol, and send it through a WIZnet W5500 wired Ethernet path. Generated illustration: the article cover also serves as a visual introduction to the field-to-cloud protocol bridge. The filing presents this as a Modbus-to-MQTT gateway. Its practical…
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