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Author Topic: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)  (Read 2437 times)

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Offline jacobolus

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Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« on: Fri, 29 August 2014, 02:34:58 »
This is about as tanky as it gets for old Cherry MX keyboards, if someone likes an AT layout:
http://www.ebay.com/itm/191305353561

Pics of another one http://imgur.com/a/pYIUb
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Offline IvanIvanovich

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #1 on: Fri, 29 August 2014, 10:44:31 »
I had one of those once. Definitely much better build quality than any other Dah Yang I've come across. Another interesting thing is the PCB had trace supports for full led backlight which is pretty uncommon considering they were made in around 1984-1986.
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Offline berserkfan

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #2 on: Fri, 29 August 2014, 23:25:23 »
Quote from: IvanIvanovich on Fri, 29 August 2014, 10:44:31
I had one of those once. Definitely much better build quality than any other Dah Yang I've come across. Another interesting thing is the PCB had trace supports for full led backlight which is pretty uncommon considering they were made in around 1984-1986.

are you kidding me Ivan?

Model F AT layout, but LED backlights?
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Offline Hak Foo

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #3 on: Fri, 29 August 2014, 23:30:05 »
Couldn't you achieve a basic LED-lit board just by using LEDs in the spaces you'd normally use for NKRO diodes?  Or conversely, routing the NKRO diode location to be in the LED slots?  The brightness might be poor, if it just strobes all the LEDs, but it's still zero extra parts?

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Offline berserkfan

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #4 on: Sat, 30 August 2014, 05:20:58 »
Quote from: Hak Foo on Fri, 29 August 2014, 23:30:05
Couldn't you achieve a basic LED-lit board just by using LEDs in the spaces you'd normally use for NKRO diodes?  Or conversely, routing the NKRO diode location to be in the LED slots?  The brightness might be poor, if it just strobes all the LEDs, but it's still zero extra parts?

I am EXTREMELY INTERESTED in this because I have a plate mounted Access-IS keyboard with diodes where LEDs normally are.
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Offline IvanIvanovich

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #5 on: Sat, 30 August 2014, 09:52:38 »
I don't seem to have a photo of the back of the PCB... but you can see on the spots where I didn't have a switch where LED can go and there was traces for them. If you put them in, I am pretty sure they are just on all the time and may loose the NKRO.

I put linear clears on it, doesn't come that way.
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Offline hwood34

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #6 on: Sat, 30 August 2014, 10:04:41 »
Well, just got it, offered $35, I'll play around with the backlighting
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Offline Parak

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #7 on: Mon, 01 September 2014, 01:24:52 »
LEDs and diodes while being single sided? Uhhh... Do want pic of pcb :D
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Offline hwood34

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #8 on: Mon, 01 September 2014, 14:37:51 »
Quote from: Parak on Mon, 01 September 2014, 01:24:52
LEDs and diodes while being single sided? Uhhh... Do want pic of pcb :D
Should be coming in Wednesday, I'll be sure to take a bunch :thumb:
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Offline hwood34

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Re: Unitek Mitak K 151L – heavy metal AT-layout keyboard (vintage MX blacks?)
« Reply #9 on: Sun, 07 September 2014, 10:39:01 »
76437-0

76439-1

76441-2
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