LK201 emulation

Mike Loewen mloewen at
Sun May 17 17:33:20 CDT 2020

On 2020-05-17 17:13, Paul Koning via cctalk wrote:
> Gentlepeople,
> I've been having problems with broken LK201s, so as a workaround I created 
> an adapter that connects to a standard PC USB keyboard and makes it look 
> like an LK201.  It's based on an Arduino (specifically, Adafruit Trinket M0, 
> an amazingly tiny yet powerful small microprocessor).
> It's working at this point, though it needs a few small software tweaks to 
> make it complete.  I'm going to turn my breadboard into something slightly 
> more polished.
> Question to the list: is this something that would be of interest to others? 
> If yes, I can make the design available.  Perhaps the PCB layout and parts 
> list.  I don't think I want to get into building units for others, though.

    I would be interested. I have one dead LK201, one flaky LK201 and a dead 
LK401. PCB and parts list okay, I can build it myself.

Mike Loewen				mloewen at
Old Technology

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