[sdiy] Where to buy keybed ?

[Richie Burnett]

Thanks Hugh, that's exactly the sort of info I was after. A bit shocked at the amount of contact bounce in that scope shot though!

-Richie,

Sent from my Xperia SP on O2

---- Hugh Blemings wrote ----

>Hi Richie, All,
>
>On 24/01/2016 08:36, Richie Burnett wrote:
>> Thanks for the link Tom, I'll give them a call in the week.  I did
>> think about buying a cheap Yamaha/Casio home keyboard second hand off
>> eBay just for the keybed but vaguely recall reading someones's advice
>> against that somewhere!
>
>I seem to vaguely recall that you could get Fatar keybeds direct as long 
>as you ordered five or more.  In any case I'd endorse the remarks of 
>others - buying something and sacrificing it is likely to be the most 
>cost effective, if harder to reproduce for others, approach.
>
>> Out of interest does anyone know what range of transit times are
>> likely for a typical Fatar velocity sensitive keybed? Just trying to
>> work out how often I'd have to poll it in software to get decent
>> velocity resolution.
>
>So I did some related poking at this not long ago myself as I was like 
>wise interested [1]  For the KX76 keybed I was playing with, it seemed 
>that 5ms to 10ms was the active range.
>
>It's worth noting that the KX76 actually uses a leaf mechanism - so 
>there is a single SPDT switch rather than two SPST switches employed by 
>more modern PCB/membrane switch based designs - so switching times may 
>be of a different magnitude to more modern keyboards.
>
>As an aside I have this fantasy of one day building the controller 
>keyboard to end all them all - one or two 76 note synth actions and a 76 
>or 88 note piano at the bottom, all integrated to minimise weight.
>
>Hope this helps!
>
>Cheers,
>Hugh
>
>
>
>[1] http://hugh.blemings.id.au/2015/09/26/keyboard-tinkering/
>