LK201 emulation

Paul Koning paulkoning at
Mon May 18 09:32:23 CDT 2020

> On May 18, 2020, at 9:09 AM, Peter Coghlan via cctalk <cctalk at> wrote:
> ...
> I also find myself with several flakey LK201s.
> To be honest, I wouldn't be interested in replacing them with PC keyboards.
> I'd prefer to get my LK201s back in action.
> If the issues are in the keyswitches or the flexi-print stuff connecting them
> to the electronics, it looks like it will be nearly impossible to do anything
> with them.

Yes, and that is the case with mine.  I know from years past that those switches are vulnerable to contamination.

> However, if it turns out that the issues are in the electronics part of the
> keyboard and they are not easily repairable for one reason or another, I may
> be interested in a drop in replacement for the original electronics.

Since that wasn't my scenario I haven't tried to do that.  It seems easy enough.  The main issue is that you need a controller with enough I/O lines to run the scan.  A BeagleBone would be ample; an Arduino might not be.


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