The node-red email node most commonly used is the node-red-node-email which consists of three nodes. A send node receive nodeContinue reading
Most MQTT implementations use SSL by default for data security. However SSL is a link encryption method and doesn’t secureContinue reading
It has always been possible to store JSON Data in an SQLite database as JSON data is simply text data.Continue reading
Today most of the data we receive across the Internet is received using the HTTP protocol. HTTP is the protocolContinue reading
Prior to node-red version 2.1 an MQTT node would auto connect when the flow was started and it was notContinue reading
Some nodes like the MQTT-in and MQTT-out nodes share configuration data. The MQTT-in and MQTT-out nodes share the broker configuration.Continue reading
A flow is a collection of nodes wired together and appears as a tab in the workspace. Flows are theContinue reading
This node allows dynamic control of the dashboard. A typical use is for creating dynamic menus. A dashboard consists ofContinue reading
Environmental variables are used on operating systems (Linux,Windows etc) to store user and system data. Environmental variables are stored asContinue reading
The chart node is used to display input data in various chart forms.(line, pie, bar etc).
The input data is usually time based but doesn’t need to be.
The input data can be real time or inserted from a database or log fileContinue reading