Search found 8 matches

by MasterControl90
08 Jan 2021, 02:32
Forum: Keyboards
Topic: Model M (rubber dome) overly sensitive keys
Replies: 0
Views: 1012

Model M (rubber dome) overly sensitive keys

Hi everyone

so I got a new model m but it is a rubber dome one (sigh I know) and it works... sort of. In a nutshell a bunch of keys are so sensitive that they activate by "barely" touch them, no pressure, just barely touch them like a modern capacitive virtual button, any idea what is going on ...
by MasterControl90
19 Aug 2020, 09:37
Forum: Workshop
Topic: Working on a fully custom keyboard [SCHEMATIC]
Replies: 6
Views: 1968

Re: Working on a fully custom keyboard [SCHEMATIC]


Looks OK. You may want to assign columns (green lines) to ports PB and PD only. You will save two instructions when reading out the column data. You will need to read PB and PD only instead of PB, PC, PD and PF (as you have it now).


OOF, thanks buddy, for whatever reason I wasn't sure the ...
by MasterControl90
18 Aug 2020, 10:09
Forum: Workshop
Topic: Working on a fully custom keyboard [SCHEMATIC]
Replies: 6
Views: 1968

Working on a fully custom keyboard [SCHEMATIC]

Hi,

I'm another madman going all in for a totally custom keyboard, I just need some sanity check.... Is this matrix schematic correct? thanks!
Schematic_60% custom_2020-08-18_10-01-30.png
Schematic_60% custom_2020-08-18_10-01-30.png (509.33 KiB) Viewed 1968 times
by MasterControl90
11 Jan 2015, 10:00
Forum: Keyboards
Topic: My Model M is totally nuts! It just writes alone! HELP!
Replies: 6
Views: 1958


Rubber domes (like buckling springs) have membranes. Here's a shot of those inside of one of my Model Ms:
http://deskthority.net/resources/image/9892 There's 3 layers. A middle layer with holes, and 2 silver coated layers — one rows, one columns — which are held apart until pressed.

All it ...
by MasterControl90
09 Jan 2015, 00:16
Forum: Keyboards
Topic: My Model M is totally nuts! It just writes alone! HELP!
Replies: 6
Views: 1958

Sorry for my really really delayed reply... For some strange I didin't received any notification e-mail for the forum.

Rubber domes (like buckling springs) have membranes. Here's a shot of those inside of one of my Model Ms:

http://deskthority.net/resources/image/9892

There's 3 layers. A ...
by MasterControl90
27 Dec 2014, 02:24
Forum: Keyboards
Topic: My Model M is totally nuts! It just writes alone! HELP!
Replies: 6
Views: 1958

My Model M is totally nuts! It just writes alone! HELP!

Hi guys, I've just found a 1995, Lexmark manufactered, rubber dome Model M (Part Number 71G4630) but it has a really annoying problem; it just writes alone. What I mean is that the keyboard just normally works, but it often start to type some letter repeatedly (usually lllllll or òòòòòòò), even ...
by MasterControl90
17 Jul 2014, 23:53
Forum: Workshop
Topic: XT/AT/PS2/Terminal to USB Converter with NKRO
Replies: 876
Views: 714633

Halvar wrote: Take a look at the file halvar.sc in Soarer's zip file. It' the config file I use for my M-122. I've tried to comment it to make clear which keys have which name.
Sorry, what kind of file is it? how i can open/use it? I'm a total newbie in these kind of things.
by MasterControl90
17 Jul 2014, 23:00
Forum: Workshop
Topic: XT/AT/PS2/Terminal to USB Converter with NKRO
Replies: 876
Views: 714633

Hi and thank you Soarer for your fantastic work on this converter! I've successfully made operational an old IBM Terminal 122 from 1987 (that I had paid just 3€ and it is in fantastic conditions), using internal pins on the logic board.
http://i.imgur.com/d6u9jHC.jpg
Now I've a little question for ...

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