# \[SDL3.2\] Pen testing

**URL:** <https://discourse.libsdl.org/t/sdl3-2-pen-testing/59079>\
**Category:** SDL Development\
**Created:** [April 7, 2025, 6:52am UTC](https://discourse.libsdl.org/t/sdl3-2-pen-testing/59079 "2025-04-07T06:52:50Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Mathias](https://discourse.libsdl.org/letter_avatar_proxy/v4/letter/m/bbe5ce/32.png) [@Mathias](https://discourse.libsdl.org/u/Mathias)\
**Post date:** [April 7, 2025, 6:52am UTC](https://discourse.libsdl.org/t/sdl3-2-pen-testing/59079/1 "2025-04-07T06:52:50Z")

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I saw a pen demo in the example.  
I’d like to try it out. My question is, what kind of hardware is needed?  
Does this also work on a PC?

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**Author:** ![Peter87](https://discourse.libsdl.org/letter_avatar_proxy/v4/letter/p/f07891/32.png) [@Peter87](https://discourse.libsdl.org/u/Peter87)\
**Post date:** [April 7, 2025, 8:14am UTC](https://discourse.libsdl.org/t/sdl3-2-pen-testing/59079/2 "2025-04-07T08:14:44Z")

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> **[Stylus (computing)](https://en.wikipedia.org/wiki/Stylus_(computing))**
>
> In computing, a stylus (or stylus pen) is a small pen-shaped instrument whose tip position on a computer monitor can be detected. It is used to draw, or make selections by tapping. While devices with touchscreens such as laptops, smartphones, game consoles, and graphics tablets can usually be operated with a fingertip, a stylus can provide more accurate and controllable input.
> The earliest computer-related usage for a stylus was in 1643 with Pascal's calculator. The device had rotary dials that ...

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**Author:** ![Mathias](https://discourse.libsdl.org/letter_avatar_proxy/v4/letter/m/bbe5ce/32.png) [@Mathias](https://discourse.libsdl.org/u/Mathias)\
**Post date:** [April 7, 2025, 11:17am UTC](https://discourse.libsdl.org/t/sdl3-2-pen-testing/59079/3 "2025-04-07T11:17:13Z")

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So this only works on touchscreens?

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**Author:** ![Peter87](https://discourse.libsdl.org/letter_avatar_proxy/v4/letter/p/f07891/32.png) [@Peter87](https://discourse.libsdl.org/u/Peter87)\
**Post date:** [April 7, 2025, 11:40am UTC](https://discourse.libsdl.org/t/sdl3-2-pen-testing/59079/4 "2025-04-07T11:40:08Z")

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You can use a [drawing tablet](https://en.wikipedia.org/wiki/Graphics_tablet). Some have a built-in display, some don’t.