I've been using the Logitech K400 wireless mini keyboard for all of my 
LinuxCNC projects.  I use it as a keyboard, but I also use the keyboard 
with the hot keys as an oversized pendant.  I love not fighting a cord.

http://www.amazon.com/gp/product/B005DKZTMG

The K400 isn't waterproof, but they hold up fairly well.  I haven't 
drowned it in coolant, but the occasional chips fall off when I turn the 
keyboard off, invert it. and swipe across the keys to free loose chips.

I haven't destroyed one yet, they're holding up very well, they have 
plenty of range (even with the USB dongle plugged into the PC in a 
sealed metal electrical panel), and the battery life is insanely long.  
They're cheap enough that I consider them disposable.  I bought a couple 
of extras that I haven't needed yet.

I just learned that there's a silicone overlay that should make the K400 
much more resistant to chips and coolant and other shop abuse. It gets 
good reviews, so I'll order one and try it.

http://www.amazon.com/gp/product/B00DE7SHII




On 10/21/2014 12:06 AM, Dave Cole wrote:
> FWIW, I bought a higher end Logitec wireless and mouse recently and it
> is advertised as being "coffee proof".   Apparently it is designed to
> flow the coffee or whatever through the keyboard and out the back.
>
> Here is another one that is "washable".
> http://www.pcmag.com/article2/0,2817,2408789,00.asp
>
> I have a couple of these K120 keyboards and they are "spill resistant"
> and they work fine and seem to last a long time in nasty environments.
> In fact I just looked and I am typing on one now!
> http://www.logitech.com/en-sg/product/keyboard-k120
>
> And here is the best thing about the K120 keyboards;  $8.00 at
> Walmart.    Just a little more than dirt cheap.
> http://www.walmart.com/ip/15050908?wmlspartner=wlpa&adid=22222222227000583154&wl0=&wl1=g&wl2=c&wl3=40880018312&wl4=&wl5=pla&wl6=77345774449&veh=sem
>
> Dave


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