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Message

Re: [wiardgroup] Re: MicroWiard and Enveloopers

2001-10-29 by sdcurtin@monmouth.com

Hi Grant,

Great Idea!  This would be sort of like the PAiA Gnome keyboard?   One 
thing that worked well for me with the FPGA stuff was to run a guitar 
string (unwound) across an old Serge touch panel PCB.  The guitar string 
was grounded, each pad had a weak pullup to 5v, and was about 1/4" above 
the pads normally.  Making contact between the string and any pad would 
then ground the pad and pull the logic line low.  This was very simple and 
cheap, and worked well.  This seems better than having to have a stylus in 
your hand all the time.  Some debounce logic would be prudent.  I'm 
looking forward to the MicroWiard.

Steve C

> The Micro Wiard is going through a metamorphasis. I had 
> origianlly intended to offer it as a 300 series module. Now I am 
> going to try and offer it as an inexpensive ($199) desktop unit. It 
> is intended to have a keyboard like a stylophone.
> 
> I am still trying to debug the keyboard action for stability. The 
> biggest problem is trying to figure out how to keep the price 
> down, but still make lots of patch options available for 
> experimenters. This version will also use surface mount 
> technology for size and cost reduction.
> 



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