Apple Pencil could add haptic feedback by vibrating and shifting weight

The Apple Pencil could one day provide haptic feedback to the user, by using piezoelectric elements to spin internal drums that create a shaking sensation within the stylus.

The first and second-generation Apple Pencil
The Apple Pencil, as an implement, differs greatly from other items like an iPhone or an Apple Watch as it doesn't provide haptic feedback to the user. As an input device, it doesn't offer any form of feedback at all, and instead relies on a paired iPad or iPad Pro to offer some form of stimulus to the user.

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