Whoa, something like this? https://www.schoolsin.com/qrt-kapture-digital-flipchart-pen/QRT-23706.html https://www.schoolsin.com/qrt-kapture-digital-flipchart-pe

Whoa, something like this? https://www.schoolsin.com/qrt-kapture-digital-flipchart-pen/QRT-23706.html https://www.schoolsin.com/qrt-kapture-digital-flipchart-pen/... I did not realize accelerometers/gyroscopes/whatever were capable of that.