Marcel Duchamp wrote:
>> Our company is sponsoring a student project (electronic chess board). Th=
e
>> students wanted to light up the translucent figures with LEDs controlled=
=20
>> by
>> the game logic, but were worried about the complexity of getting the
>> frequency right, regulating the current, etc. This video shows a quick=20
>> proof
>> of concept (done in about 5 minutes) using readily available materials:
>>
>> http://www.youtube.com/watch?v=3DZAUasByQDRc
>>
>> Each coil has about 150 turns of 21 gauge magnet wire, the primary coil=
=20
>> is
>> driven by a 1Mhz squarewave put out by a function generator. Obviously i=
n
>> the actual project, the students would use much thinner wire, and perhap=
s
>> employ a ferrite core to improve energy transfer.
>>
>> Vitaliy
>>
>
> Nice job.  Is the idea to play against a computer with the computer
> indicating which piece to move by lighting it up?

Yes, and also for "training mode". The computer would light up one of your=
=20
figures, and the square to move it to.

This is probably the coolest project we've sponsored, since the light harp.

By the way, of course the wire gauge is 24, not 21.

Vitaliy=20

--=20
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