ipads and apple pencils.

Check this listing out. Apple Pencil compatibility - Apple Support

No iPads from early 2015 and earlier have NO support for ANY Pencils.

2015-2017, 12.9 inch screen iPad Pro models. ( 1st gen Pencil support )

2016, 9.7 inch screen iPad Pro models ( 1st gen Pencil support )

2017,10.5 inch screen iPad Pro models ( 1st gen Pencil support )

2017, 9.7 inch screen iPad 5th gen models ( NO Pencils )

2018, 9.7 inch screen iPad 6th gen models ( 1st gen Pencil support )

2019, 10.2 inch screen iPad 7th gen models ( 1st gen Pencil support )

2020, 10.2 inch screen iPad 8th gen models. ( 1st gen Pencil support )

2019, 7.9 inch screen iPad Mini 5th gen models ( 1st gen Pencil support )

All current iPad models all either use the original, 1st or newer 2nd gen Apple Pencil.

( iPad 7th, 8th and 9th gen and iPad Mini 5 all use the original, 1st gen Apple Pencil )

( 2018, 2020 and the newest 2021 iPad Pro, iPad Mini 6 and 2020 iPad Air 4 models use the 2nd gen Apple Pencil )