Workshop

Announcements Last post
Please welcome your new kingpin: matt3o

webwit
Hi everybody, After 8 years of running deskthority, I've decided to retire in that role and hand over the reins to matt3o, who volunteered to help out and take over. My role from now on is as some…

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Topics Last post
THT Atmega32U2 or equivalent

PlacaFromHell
I couldn't found an Atmega32U2 in THT format and I need one, is there any equivalent? I don't have the necessary tools for SMD soldering. Thanks!

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59

Cleaning a Focus 2001
Cleaning a Focus 2001

zrrion
https://i.imgur.com/NHWkMv… Working on cleaning a FK2001 that someone spilled some sort of goo into. I have the switch tops,…

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75

Unpopulated sockets on a keyboard PCB

mprosk
Newbie here, trying to resuscitate an ADDS terminal keyboard. Opened it up, and there were two unpopulated sockets. Is this a normal thing for vintage keyboards? I was able to power the board on and…

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167

Wall Mounted Toshiba T-5200/100
Wall Mounted Toshiba T-5200/100

flowerlandfilms
I bought this keyboard module for the keycaps, but it has a Tron-esque grid pattern going on in the traces. I thought it would make some cool wall…

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167

Cherry MY springs

abrahamstechnology
I've been wondering something about Cherry MY, the stock spring makes them too heavy and taking it out makes it way too light. Would it be possible to replace the spring with a lighter one, to have a…

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58

Magnavox VideoWriter keyboard (USB conversion with NKRO mod)
Magnavox VideoWriter keyboard (USB conversion with NKRO mod)

Quartz64
About one month ago a friend of mine managed to buy a Magnavox VideoWriter in NOS condition. He wanted to use it as a daily driver, so he asked me to…

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286

Espirit PICTerm CBG keyboard
Espirit PICTerm CBG keyboard

snacksthecat
One of the other boards sezual_hotdog sent me was this Espirit PICTerm CBG board. I don't know anything about the keyboard or the machine it was…

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108

The Beamspring Briefcase
The Beamspring Briefcase

JP!
Ever since I acquired and converted my first beamspring I've had a neat idea in mind for a portable beamspring in a briefcase. Today I am one step…

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515

NCR 4950 - How to change from ADDS to AT
NCR 4950 - How to change from ADDS to AT

snacksthecat
Hi Guys, sexzual_hotdog generously sent me three keyboards; a gesture that I'm still working out how to repay. One of the keyboards is an NCR 4950,…

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257

PSA: Don't wash your alps switch sense plates in hydrogen peroxide

Wingklip
For some reason they seem to corrode in some fashion that prevents them from registering actuation anymore once this is done. :( I think they corroded through the underside of the gold plating…

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6

307

ATMEGA32U4 vs AT90USB1286

tedfs3
Forgive my ignorance on this and the rambling, I'm still trying to learn and wrap my head around designing a keyboard from the ground up. Has anyone done a keyboard PCB using the AT90USB1286 ? I have…

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234

Teletype 40k 103 (magnetic plate switches) USB conversion
Teletype 40k 103 (magnetic plate switches) USB conversion

Sangdrax
A couple of these have popped up over the last few years but I got one in really nice shape and thought I'd share it now that it's alive. The thing…

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3

264

Macally MK96
Macally MK96

njm
Hey guys, I picked up a cheap Macally MK96 last month, and have been working on restoring it. The plate was pretty rusty, so after doing a basic…

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20

508

5-year old needs help with his Philips branded WYSE-board
5-year old needs help with his Philips branded WYSE-board

snufflecat
Hi folks, Sorry in advance for a lot of questions that show signs of me not really knowing what I'm doing. In short, feel free to explain things to…

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247

Matrix style keyboard. I am new and could use some help...

lled3733
I would like to build a custom matrix style keyboard. row and columns. 8 x 23. Is there a controller that will handle this many keys ? Is there a maximum to the number of keys that can me handled.…

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340

An Unexpected Effect of a Soarer's Converter.

ThePillenwerfer
A couple of weeks ago I made a Soarer's Converter using a Pro Micro to play about with a couple of old 84-key keyboards. All went very well but I have discovered that since then my usual 105-key PS/2…

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137

Katy keyboard (or K80CS (Key80 Contoured Split))
Katy keyboard (or K80CS (Key80 Contoured Split))

vvp
I was asked to create a thread for this. So here it is. It is probably a bit early to create it since no fully working prototype exist yet,…

1 ... 4, 5, 6

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32811

Random keypresses from IBM Model F XT with Soarer's

JBert
So here's something which has been bothering me for ages: I've got a Teensy with my favourite Soarer Converter XT shortcuts in it which is completely built into the keyboard. When I leave the…

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5

154

WYSE Converter
WYSE Converter

Soarer
Introduction This firmware for Teensy 2.0 etc. aims to convert all WYSE terminal keyboards which have a 4P4C connector, to USB. See Wyse…

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4022

Anyone chopped a DSA spacebar before?

abrahamstechnology
My Wyse WY-30 keycaps reacted particularly badly to a retrobright. At first I thought it was solely the BOX Jade switches causing the stems to crack, until one of the keycaps literally shattered in my…

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1

131

CommonSense controller for digital piano project?
CommonSense controller for digital piano project?

deskman
DMA - awesome project - kept me up until 4am last night hahaha. A friend is converting an old piano keyboard to a MIDI controller with…

1, 2

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1261

Universal Model M Controller
Universal Model M Controller

phosphorglow
Hi ya'll! I'm like a cat when it comes to forums - I come around when I want attention or I have something I want to leave in your shoe. So…

1 ... 13, 14, 15

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19900

Can we design the teensy alternative for keyboards?

matt3o
I've seen some of these projects here on DT and GH, but it seems they never went to full scale production or they are specifically crafted for a particular keyboard (or they are not…

1 ... 25, 26, 27

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35970

[Done] CommonSense controller - better capsense!
[Done] CommonSense controller - better capsense!

DMA
TL;DR: Turns out it's all implemented in kiibohd like 2 years ago - see Scan/DPH/*. Unfortunately, kinetis has CRAPPIEST ADCs I've seen so…

1 ... 12, 13, 14

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19327

Bluetooth mod for HHKB

fossala
I know there is a bluetooth mod for the HHKB made by hasu. As geekhack has lost the article in the wiki, I can't see if it feasible. Can anyone shed any light on the mod?

1, 2, 3

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10698

Installing ball transfer units into a trackball

deama
Hi, so I'm not sure if this is the right place to post, I just want some help on how to do this, or just some advice: I have an elecom huge trackball and haven't been entirely satisfied with it's…

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0

127

Ultrasonic Cleaning Science
Ultrasonic Cleaning Science

pizza_is_a_lie
Yesterday, I pulled the trigger and bought a GT Sonic 2L ultrasonic cleaner , 50W with a 100W heater. The aim of this post is to highlight the…

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520

Costar stabilizer extremely scratchy

abrahamstechnology
I'm having trouble with a Razer tenkeyless board and a Costar stabilizer, no matter what I try, the stabilizer is so scratchy to the point of the spacebar getting physically stuck. I am using a…

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4

164

Magnavox VideoWriter keyboard (cleanup and conversion)
Magnavox VideoWriter keyboard (cleanup and conversion)

snacksthecat
A few weeks back I bought this Magnavox VideoWriter keyboard from a dude on reddit. I was originally attracted to the coveted SKCM brown Alps…

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935

Backlighting a Silicon Graphics AT-101 Bigfoot
Backlighting a Silicon Graphics AT-101 Bigfoot

flowerlandfilms
A little project I'm working on to breathe some new life into this keyboard. Using LED strips to backlight the keys, also down the line I…

1, 2

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2083

Honeywell 5921 Clean Up and Teensy USB
Honeywell 5921 Clean Up and Teensy USB

OldIsNew
I was able to pick up this rather interesting old board. It's from the Honeywell VIP 5921 terminal. I haven't been able to find out too much about it,…

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726

The Blue Wave
The Blue Wave

salsaverde
Here is my third build. I call it 'The Blue Wave.' I began planning 'The Blue Wave' in early 2016 after I completed 'The Black Rainbow' in late…

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422

Multitech KB-101A Restoration and Mods
Multitech KB-101A Restoration and Mods

twinrotor
Please read entire post for all pics and videos Project Overview: This project is a documentation of restoring/modding my Multitech…

1, 2

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919

Last of My Terminal Keyboards
Last of My Terminal Keyboards

OldIsNew
I've finished up with the last of the five terminal keyboards I've somewhat randomly accumulated in recent months. This one is a Televideo 935…

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601

Atmega32u4 bootloader?

abrahamstechnology
Hi, I'm assembling some PCBs that use an ATMega32U4 chip. One didn't work because I soldered it wrong and made a short to ground. The other one doesn't work, at first I thought I soldered that one…

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