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Is this Spectrum keyboard matrix the answer to Mavis Beacon's dreams? 

The Retro Shack
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This replacement keyboard matrix for the ZX Spectrum Plus promises a tactile feel and a new typing experience, but is it any good? This episode has been sponsored by our good friends at PCBWay.com - Check out their website for all your PCB fabrication needs. pcbway.com - PCBs for as little as $5!
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Timestamps:
00:00 Intro
01:40 Dead Flesh Keyboards!
02:25 Alternate keyboards
04:00 Installation
07:19 Testing
www.ginger-electronic.com/en/

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8 июл 2024

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Комментарии : 52   
@jsnsk101
@jsnsk101 2 года назад
"The keyboard was terrible" said no kid in the 80s, when 99% of typing done was LOAD""
@magicknight8412
@magicknight8412 2 года назад
i said that the moment i saw one in the shops.
@SomePeopleCallMeWulfman
@SomePeopleCallMeWulfman 2 года назад
We have come full circle: 90% of all modern laptop keyboards are on par with the Spectrum+ keyboard.
@LifeSizeTeddyBear
@LifeSizeTeddyBear 2 года назад
Back in the late 80s I replaced my original Spectrum keyboard with one that I had wired up myself from a gutted PC keyboard with mechanical switches. It worked pretty well, but I found that I could type much faster on it, which became a problem because the Spectrum couldn't keep up with me. Thinking about it more now, I wonder if it was because the simple matrix of keys and associated decoding routines didn't have the necessary rollover support to cope with the increased rate of keystrokes.
@StephenBlower
@StephenBlower 2 года назад
08:38 And it's "The quick brown fox JUMPS over the lazy dog" not JUMPED 🤓 Thanks for the review, very informative.
@MrClump
@MrClump 2 года назад
You had more success than me! I tried for ages to get the bloody thing properly aligned in my toastrack. The keys on the edges seem to be most problematic; when I did finally get it seeming to work I found the J key didn’t work. At that point the original membrane went back in! I measured the spacing of the switches on the PCB to the plungers on the keyboard and it appears to be around 2mm off across the entire width of the keyboard. Doesn’t sound like much, but that’s huge when you have such a tiny target to aim for when fitting it. IMO not worth the money.
@kryan
@kryan 2 года назад
Gah, was hoping this would be a nice solution. Had real problems with my replacement membrane and getting a positive response on the cursor keys. I'll pass on this one, but I appreciate the effort.
@mattedsmith
@mattedsmith 2 года назад
Nice review...but if you're going to fix it, fix it properly! I'd love to see you do a mechanical keyboard for the plus, enjoyed your last PCB journey!
@TheRetroShack
@TheRetroShack 2 года назад
You know i won’t be able to resist :)
@finndriver1063
@finndriver1063 2 года назад
@@TheRetroShack I wonder if low profile Kailh Choc (V1) would be thin enough to let the keyboard fit inside the case like it does with this PCB?
@robm8809
@robm8809 2 года назад
Spectrum plus key tops fit straight onto Gateron keyswitches... Just saying. :D
@Colin_Ames
@Colin_Ames 2 года назад
Always good to see another one of your videos. I can’t comment on how bad the Spectrum keyboard is, as I never used one, but the one in the video seems not to totally work as a decent replacement due to the alignment issue.
@jakubkozakiewicz2061
@jakubkozakiewicz2061 2 года назад
Amazing... I bought this membrane replacement just few weeks ago and I'm waiting for the delivery... Also, I'm designing my own pcb for Timex 2048 👍
@frankowalker4662
@frankowalker4662 2 года назад
I got quite fast at typing on the rubber key Speccy soon after we got it in 83. I've writen a hell of a lot of sowftware over the years on it. That's why I put my Harlequin 128 in my original 48K case. :)
@clangerbasher
@clangerbasher 2 года назад
In an alternative universe Sinclair used proper keyboards, standard interfaces, and standard media. In that universe Sinclair is bigger than Apple and black boxes are still coooooool.
@MigueldeLuis
@MigueldeLuis 2 года назад
But none of the old machines would be reparable 🙃
@clangerbasher
@clangerbasher 2 года назад
@@MigueldeLuis :)
@Jossandoval
@Jossandoval 2 года назад
This truly is the computer of Theseus. Or Theseus's Spectrum, if you must.
@TheRetroShack
@TheRetroShack 2 года назад
No it’s mine! If Theseus can keep his mitts off! :)
@f15sim
@f15sim 2 года назад
I've actually got one of those DKTronics keyboards with a ZX-81 in it!
@rastersoft
@rastersoft 2 года назад
I'm tired of hearing that the QL's and Spectrum Plus' keyboards "were bad", when the majority of the keyboards used today use exactly the same mechanism and design.
@jeffreyphipps1507
@jeffreyphipps1507 2 года назад
To be fair, many off-the-shelf computers come with bottom dollar keyboards - but they classify as bad also. That doesn't make the old keyboards good. Saying that the majority of new computers come with the same mechanism - not sure I'd agree with that. Many are just in-between quality. However, given the huge market for mechanical keyboards it is fair to say few people stick with their original crap keyboards. Laptops typically use Butterfly Switch keys or Scissor Switch keys. I'm not fond of each, but they are far more reliable. Still, I carry a mechanical keyboard in my laptop bag. A lot of us using PCs and some Mac users use mechanical keyboards because we like tactile feedback in the keys. Having said that, even the place in the middle is better than nothing. Rubber membranes wear out fast (though newer formulations last longer), and carbon contact films eventually fail when the carbon is worn off (though at least that's repairable). The big issue with old keyboards is that the contact system cannot be replaced for one key only. Modern mechanical keyboards can replace a single key if necessary (though it may involve soldering). Cheap keyboards of modern cheap computers get stupid problems. However, the modern computer off-the-shelf computer ships with a $5 keyboard. Repairing it wouldn't even be worth your time. At least retro computers are getting options. The "bad" keyboard here is partially improved with a mechanical key. If that key goes bad, that single key can be replaced without changing a single other key.
@rastersoft
@rastersoft 2 года назад
@@jeffreyphipps1507 Well, every time I unmounted a keyboard in my office, it had the same rubber dome-contacts membrane... I can accept that the quality of the rubber is better today, but the tactile is more or less the same. Also I used a QL for several years for work, and the keyboard was acceptable: you know perfectly when the key was correctly pressed. The problem was only that, in that time, nearly all of the keyboards in the competence were mechanical, which, obviously, were superb, but that doesn't mean that the QL keyboard was so bad as they painted.
@paulie-g
@paulie-g 2 года назад
@@rastersoft That's nonsense. IBM produced a new, cheaper keyboard right around this time for lower priced machines to use instead of their expensive Model Ms. It was rubber dome, but it was crips, didn't bottom out, gave you great tactile feedback (for what it was) and felt fantastic. It was perfectly possible to produce a good rubber dome keyboard at the time. This is just cheap and bad.
@rastersoft
@rastersoft 2 года назад
@@paulie-g Are you comparing an IBM-made keyboard with the keyboards that a lot of cheap machines deliver and a lot of people uses day-by-day?
@paulie-g
@paulie-g 2 года назад
@@rastersoft Yes. IBM stopped making elite-level keyboards after the Model F and M. It's important to note that Model Ms are, in fact, membrane keyboards. What makes their action good is the buckling spring. They even made a rubber dome 'quiet' version that, although inferior to the regular, buckling spring version, is still quite nice by regular people standards. IBM 8923 is an inexpensive keyboard and very nice for rubber domes. Dell QuietKey (the original) is nice. Packard Bell had a nice rubber dome one. A couple old Logitechs are nice. A lot of people liked BTC's early rubber dome with sliders keyboard that they OEM'ed out to PC manufacturers, very inexpensively. Like I said, it was and is perfectly possible to make a good rubber dome, inexpensively. What makes cheap keyboards bad is often lack of rigidity. You can see on the video that this Spectrum has a metal backplate, so given half-decent action, this would've been fine. There's a reason 'mechanical' keyboards are a niche thing nowadays. A lot of current dirt cheap keyboards are 'good enough' for the average joe and much better than these Spectrum disasters, and nothing affecting typing in them requires 21-st century technology.
@merman1974
@merman1974 2 года назад
It's a good idea, but perhaps a raised lip/line at the edge of the new board could have helped line up the membrane better?
@Gaming-Enthusiast
@Gaming-Enthusiast 2 года назад
So cool 👌👌👌
@1337Shockwav3
@1337Shockwav3 2 года назад
I have a "Fuller FDS" 3rd party keyboard ... while I haven't had the chance to test the transform LTD yet, it's definitely one of the nicer 8bit keyboard I'm aware of, outclassing the C64 which is what I usually take as a "decent but not overly great" keyboard in that generation.
@FatNorthernBigot
@FatNorthernBigot 2 года назад
Is this Spectrum like "Trigger's Broom"? Are there no original parts left? 😉
@TheRetroShack
@TheRetroShack 2 года назад
Hey, you guys voted for mods :) :) :)
@FatNorthernBigot
@FatNorthernBigot 2 года назад
@@TheRetroShack No complaints... Fascinating stuff. 👍
@giulianomarco
@giulianomarco 2 года назад
I had a DK Tronics keyboard. The keys were OK, but the legends were just stick-on clear plastic that kept sliding about and coming off. So I removed them all and just had unmarked keys! (After years of using a Speccy I knew where most of the tokens were located).
@chrisrobson8540
@chrisrobson8540 2 года назад
curious to see if you could actually retro fit a "proper" keyboard into the original case.......nice out of the blue vid👍👍
@talideon
@talideon 2 года назад
So now it's been upgraded to at least MacBook Pro quality... though at least this might deal better with some stray dust!
@kelvin1316
@kelvin1316 2 года назад
Wonder if they do one for the OG Spectrum?
@EmmittBrownBTTF1
@EmmittBrownBTTF1 2 года назад
because of the ROM scanning the keyboard once every 20ms and requiring new keystates to persist for two of these cycles tying is limited to a theoretical maximum of 25cps.
@edgeeffect
@edgeeffect 2 года назад
I love the "circuit board" for the original keyboard.... I've harvested a few of those out of dead laptops.... rubbish for keyboards but a fab piece of "cyber-art".
@paulwesterman
@paulwesterman 2 года назад
I had the DK'tronics keyboard for my Speccy, which came with bare grey keycaps and a sheet of stickers. Not great, and no space bar. I later bought something called the 'Fuller FDS' keyboard but it never materialised (I waited, watching out for the postman for months) and I eventually got my money back :( In the end I sold my Speccy and all its accessories and got a BBC B, which I still have!
@StephenBlower
@StephenBlower 2 года назад
04:37 Why do you have Kapton tape over 2 Upper Ram chips and half of the Z80, with the reset switch lead going under it?
@gartmorn
@gartmorn 2 года назад
A pity about the alignment issues as otherwise it seems a decent option and the price wouldn’t seem so bad either if it all lined up!
@John-Smith-999
@John-Smith-999 2 года назад
Why all the little digs at the Specky? Back in the day if you wanted one of those other machines you had to pay three times as much and there was less software available for them. I remember the Specky as the machine of choice
@TheRetroShack
@TheRetroShack 2 года назад
Nothing but love for the speccy from me! My first computer and I loved it (and still do)
@TanjoGalbi
@TanjoGalbi 2 года назад
One simple question from me from what you typed at the end: How does a fix jump over a lazy dog? 🤪 Good video, I might look into that keyboard replacement if I ever get round to checking out if my old toaster rack 128k speccy still works.
@Lucretia9000
@Lucretia9000 2 года назад
I became quite fast at typing on the rubber keyboard, I have no idea how anyone typed with the button keyboard of the oric.
@eliotmansfield
@eliotmansfield 2 года назад
as a 16 year old kid I remember adapting a clicky-clacky keyboard of some old ancient piece of kit for my spectrum - it was better, but worse because of the keyword based basic and I never used to again.
@fattomandeibu
@fattomandeibu 2 года назад
As someone who can't touch type, but rather types by muscle memory, Spectrum and laptop(including cheap modern pound store/Asda USB laptop-like ones designed for desktops) keyboards throw me so badly that it probably quarters my typing speed. I've never used a Spectrum+, maybe I'd be better on there, but I'd need to prop the back up on something as I'm just so used to stepped rows. It is amazing that these things exist now, though. Even as short as 5 years ago, if you had a knackered Spectrum(or other old computer) you'd need to cannibalize an old one for spares, and any kind of improvement would be rare as all heck and priced... allegedly appropriately.
@Zeem4
@Zeem4 2 года назад
The Spectrum+ has fold-out legs built into the base for propping it up.
@Zhixalom
@Zhixalom 2 года назад
Oooooh, please do a Cherry MX compatible keyboard PCB... I'll have to go and clean my Homer Simpson style drooling now.
@stevewhitcher6719
@stevewhitcher6719 2 года назад
I agree! And in the standard PC keyboard layout!, Not all the keys just in the same layout. Cherry keys are expensive new but i often see 2nd hand keyboards heading for landfil. And as you can get new keycaps quite cheap they would be the best comromise between cost and quality!
@UpLateGeek
@UpLateGeek 2 года назад
Mmm ... Bacon.
@kaitlyn__L
@kaitlyn__L 2 года назад
Haha, the repeated typos at the end. Clearly demonstrating it’s not hugely transformative! Those little tack switches are nice enough for a shoulder or face button on a game pad, but I wouldn’t want a keyboard made from them. Even when they used them in some mobile phone keyboards they were just “okay”.
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