can I use an apple pencil with my mini

You can use an Apple Pencil 1st generation with an iPad Mini 5th generation

and you can use an Apple Pencil 2nd generation with an iPad Mini 6th generation.

See: Apple Pencil compatibility - Apple Support

Here is the definitive compatibility list for Apple Pencil and iPad:

Apple Pencil compatibility - Apple Support

The Apple Pencil models are not interchangeable - and can only be used with the iPad that has appropriate internal hardware.

Click here and see if that model is listed as compatible. If not, no.

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