MQTT-driven IP-relay module
MQTT-driven IP-relay module, on which the variable part of the MQTT broker’ IP address is set by mechanical switches
3
Components
Hardware components
WIZnet - W5500
x 1
Project description
DESCRIPTION MQTT is a perfect lightweight protocol for managing home electronic devices. The only thing that is not very convenient is the need to know the IP of the MQTT broker for all MQTT clients. Meanwhile this IP may well change in a home router (being a router will be replaced, in case of a failure with a router, or if a home NET's topology will be changed), or in case of the replacing a MQTT computer with a new one. It’s not very difficult to change the IP of the MQTT broker within MQTT clients codes (talking about DIY devices), but if this device was deployed a long time ago, it’s…
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