> For the complete documentation index, see [llms.txt](https://docs.skysens.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.skysens.io/sources/virtual-sensor/simulation.md).

# Simulation

Simulate data from the selected device to test visualizations, dashboards, or data processing workflows without needing a physical device.

<figure><img src="/files/eibtKJ1vjiLwtFQwsOyT" alt=""><figcaption></figcaption></figure>

For Adding A Virtual Value source, select the Value on the option selection.

Name is a descriptive name for your Virtual Value device

Than select physical copy of you want to generate or you can create your own simulation data object.

<figure><img src="/files/ZZfndOH6TbhBo4dmkBeO" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/Hx4xQLMoHN25Ck4JClC6" alt=""><figcaption></figcaption></figure>

Data Frequency: Define how often the virtual sensor should generate data.

Configure sensor range configuration: Based on your device selection from catalog set ranges for sensors that can be used in simulations. You can select a randomize range or type a custom range for a given sensor.