Wintergerst, GötzJagodzinski, RonGiles, PeterEibl, MaximilianRitter, Marc2017-11-222017-11-222011978-3-941003-38-5https://dl.gi.de/handle/20.500.12116/7992We introduce the prototype of a low cost haptically augmented stylus for pen computing. Hap.pen is a wireless stylus that senses the photon density of graphical onscreen-elements and translates them into a vibrational haptic feedback.enText/Conference Paper