> 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="/files/2jGKR7xb8hKtW1IunTfL" alt=""><figcaption></figcaption></figure>