LK201 emulation

Paul Koning paulkoning at
Sun Jun 21 12:18:59 CDT 2020

> On May 17, 2020, at 5:13 PM, Paul Koning via cctalk <cctalk at> 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.
> 	paul

Ok, I have a working device.  The whole design can be found on Github:

As I mentioned before, I'm not providing parts, kits, or devices.  

Comments and feedback will be appreciated.


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