📖 Kb | 📎 Development | 🔖 Node-RED, Communications, Protocols, MQTT, Websockets, TCP, UDP

Node-RED communications protocols

Node-RED has an excellent choice of communications protocols available to it. This article looks at the main options and their strengths and weaknesses. It also gives suggestions as to when you may wish to use them.

Mosquitto MQTT Server on a Raspberry Pi

To access an MQTT broker direct from the browser, you need websockets support. On a Raspberry Pi, this used to require a custom build from source. That is no longer required. You can now install direct from the repository and add a simple config change. This article explains the details.