node-red-data-generator

The node-red-data-generator is a customizable Node-RED node developed to simulate various data patterns for testing, prototyping, and debugging dashboards, PLC interfaces, and IoT flows.

Supported data types include:

Sinusoidal
Random
Rising
Falling
Square
Triangle
Exponential
Sine + Noise
Step Change

Each data type can be configured with:

Min / Max values
Step size (0.001 up to max)
Frequency (in ms)

The node emits a msg.payload with the generated value and msg.topic with the selected data type. This makes it easy to connect to dashboards or loggers for visual feedback.

→ View Source on GitHub

→ Install via npm

Related pages: FESTO CPS case study | All projects