Recent content by Tonino

Now I understand, and I think is a good idea to reduce number of drivers/coils. As I mentioned before, the room available inside the chess pieces is equivalent to a cilinder 15mm wide and about 20mm high. Sophiecetaur idea of attaching a small magnet at the bottom on the chess pieces and a...

Thanks Mfb for the reply. I don't really understand the '8 coils with 1X8 cells'. Does a cell correspond to a loop? My ideas was to insert one small coil (about 15 mm wide) with a capacitor and a led all connected in parallel, into the chess cavity and attach a coil (can be up to 30mm wide)...

Definately has to be a coild for each board square (64 in all). The coils under the board can be big enough to cover most of the square (about 35mm) . Can someone help with the dimensioning of the coil, suggested wire gauge, N. of loops, frequency etc.?

I recently purchased a set of glass chess that are hollow and have sufficient space to fit a LED and some other components. I woul like to power and lit The LEDs (up to 32) with induction current by installing a small coil an a capacitor connected in parallel inside each chess piece. Another...