MQTT Integration
NetRelay with MQTT integration; Broadcasts sensor telemetry and receives relays via command topics. Compatible with Home Assistant, Node-RED and industrial brokers.
Telemetry and commands
Publish metrics such as I/O statuses, temperature and uptime; Update relay statuses with subscribe.
Local broker
By keeping the MQTT broker on your own LAN, you can establish end-to-end local automation without escalating traffic to the cloud.
Open source MQTT server
NetRelay MQTT Server; It is a sample IoT MQTT broker project based on Node.js that offers user authentication, device-based topic management, live connection tracking and targeted relay control.
For details and source code, see the mlteknoloji/mqttserver repository.