> For the complete documentation index, see [llms.txt](https://docs.sevenpens.com/drawtab/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sevenpens.com/drawtab/resources/circuit-simulations.md).

# Circuit simulators

Some of my videos have circuit simulations. To create those simulations, I use [**Falstad**](https://www.falstad.com/circuit/).

Below is a screenshot of one of these simulations.

<figure><img src="https://1457921496-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNde0PQIvNcFZNVxuTO0G%2Fuploads%2FgSfcWUaxCyeK544JGFI8%2Fimage.png?alt=media&amp;token=47a4a334-de7f-432f-a166-ab05dd87bd49" alt=""><figcaption></figcaption></figure>