alt Hacker NewsThis seems very similar to another open-source tablet effort, which went a step further and designed a Hall effect sensor-based tablet: https://github.com/pompyboard/pompyboard
The creator of it has showcased the prototype at an osu!* streamer's channel (since low-latency absolute positioning devices are highly desired for playing osu!): https://www.youtube.com/watch?v=v1afJ7OpacU
* that is osu! (sic) rhythm game, not to be confused with OSU universities
Has it actually reached properly functional state?
The showcase video didn't look very convincing and neither website nor the discord channel contained a lot more information. Although I didn't dig through discord history too carefully.
It's one thing to hook up 200 hall effect sensors to a MCU, and read few of them or send data over HID at 8000Hz. It's different thing to read all 200 at 8000Hz and figure out the position with reasonable resolution and accuracy.
Can it also detect the exact moment pen touches tablet or additional button clicks? Or does it require taping keyboard with other hand? Which is probably fine for OSU, but less so for drawing.