alt Hacker NewsAmiibo and Skylanders detect the pieces with NFC. Wiring up the whole board/ terrain with NFC readers would probably be difficult, though.
Amiibo and Skylanders detect the pieces with NFC. Wiring up the whole board/ terrain with NFC readers would probably be difficult, though.
The other classic approach has been a single camera under the table, but that conflicts with terrain use. mmWave radar is probably good enough for to localization at this point, and cheap, but distinguishing pieces is hard.