Thanks for this, this looks interesting!Yes, or hall sensors, which are very compact with good sensitivity.
Probably the most common technique for this is a reed switch at each square location, and a magnet in the base of the piece.
An advantage over light or ultrasonic sensors is that a magnetic field will pass through the solid surface of a chess board (e.g. wood or plastic)
https://www.hackster.io/carlos_pendas/p ... ard-04440f
The only thing I'm worried about is the strength of the magnetic field, and having so many magnets. For example, would this be dangerous for people with a pacemaker... Also, will the high amount of magnets not create a bunch of interferance meaning it'll be difficult to communicate wierlessly between a device under the board and a device close to it which will be used as a dashboard?
Statistics: Posted by 002593 — Wed Nov 27, 2024 3:24 pm