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[Various] Cherry Shows Off New MX Board 6.0 Utilizing RealKey Technology - CES 2015
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How is nkro new technology?
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Quote:
![rolleyes.gif]()
It sounds like they hired Apple's marketing department.Originally Posted by SpankyMcFlych
How is nkro new technology?
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i want a tkl with no illumination
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Quote:
I suggest you watch LTT's yt vid, Slick does a pretty good job explaining it.
Quote:Originally Posted by SpankyMcFlych
How is nkro new technology?
Quote:Originally Posted by iSlayer
Because they said so.![rolleyes.gif]()
Hey guys I'm going to release the world's first keyboard with DetachableArmRest technology next week! Get your cheques ready!
Quote:Originally Posted by GetToTheChopaa
It sounds like they hired Apple's marketing department.![rolleyes.gif]()
You guys... nkey-rollover is just part of the new tech, its not a new feature. The main improvement of this tech is the massive latency reduction.Originally Posted by The Robot
Or Razer's.
I suggest you watch LTT's yt vid, Slick does a pretty good job explaining it.
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Quote:
I suggest you go try out some keyboards in your local PC-hardware store.
or you could get a cherry mx tester sample, but imo they don't give a very good idea of how they are to type on.
You mean what switch color?Originally Posted by Mas
Hmmm....
Might pick one up. Not sure what colour stems I would go for though.
I suggest you go try out some keyboards in your local PC-hardware store.
or you could get a cherry mx tester sample, but imo they don't give a very good idea of how they are to type on.
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Hmmm.. wonder if I could make it start smoking once I begin coding.
P.S. It's not mechanical, but I've found this Dell KB 522 to be a perfect coding board. It's über fast. It's perfect.
P.S. It's not mechanical, but I've found this Dell KB 522 to be a perfect coding board. It's über fast. It's perfect.
Quote:
I don't really need to try some out, not that any PC hardware store around here would have any to try. I have quite a few mechanical keyboards, some of which are listed in my build.
Yes, the switch colour.Originally Posted by Gilles3000
You mean what switch color?
I suggest you go try out some keyboards in your local PC-hardware store.
or you could get a cherry mx tester sample, but imo they don't give a very good idea of how they are to type on.
I don't really need to try some out, not that any PC hardware store around here would have any to try. I have quite a few mechanical keyboards, some of which are listed in my build.
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This video is very informative, it explains perfectly why marketing videos should not be published without the permission of an engineer.
First, 'analog' is completely irrelevant to the consumer, because the switches only have two positions: on and off. If you want to use an ADC to demux all the keys you put on one input pin, that's your business, but it has zero inherent advantage over a digital read, because the signal is discrete.
Second, The datasheet for those switches says they bounce for up to 5ms at 16in/s actuation speed. Essentially, after you first register a keypress, you have to wait 5ms before you know if it's a press and hold or a press and release. Now, you might have several bounces within that 5ms, so if you take instantaneous reads you have a maximum latency of 5ms, but if you attach an interrupt and listen continuously, you might only have to wait for tens to hundreds of microseconds(depends on the switch) to know for sure the switch isn't bouncing. If you do hardware debouncing, you can make the pin's value persist through however long the bounce takes, cut the maximum latency down by whatever the longest bounce is for that particular switch, and eliminate the need for interrupts. As for NKRO, you can do that with a digital controller as well, it's just a question of the board being designed for it, and the microcontroller having enough IO pins for your chosen method.
tl;dr: you can engineer the latency under 1ms with NKRO without an analog to digital converter. Marketing is just trying to talk up their product by comparing it to garbage keyboards you can buy for $5.
Unfortunately I don't know any reviewers that actually test the latency of keyboards. Not too complicated but it does require getting access to the keyboard's PCB in order to snoop or simulate a key press. As for required test hardware, an arduino or raspberry pi would work, so it's not particularly expensive.
First, 'analog' is completely irrelevant to the consumer, because the switches only have two positions: on and off. If you want to use an ADC to demux all the keys you put on one input pin, that's your business, but it has zero inherent advantage over a digital read, because the signal is discrete.
Second, The datasheet for those switches says they bounce for up to 5ms at 16in/s actuation speed. Essentially, after you first register a keypress, you have to wait 5ms before you know if it's a press and hold or a press and release. Now, you might have several bounces within that 5ms, so if you take instantaneous reads you have a maximum latency of 5ms, but if you attach an interrupt and listen continuously, you might only have to wait for tens to hundreds of microseconds(depends on the switch) to know for sure the switch isn't bouncing. If you do hardware debouncing, you can make the pin's value persist through however long the bounce takes, cut the maximum latency down by whatever the longest bounce is for that particular switch, and eliminate the need for interrupts. As for NKRO, you can do that with a digital controller as well, it's just a question of the board being designed for it, and the microcontroller having enough IO pins for your chosen method.
tl;dr: you can engineer the latency under 1ms with NKRO without an analog to digital converter. Marketing is just trying to talk up their product by comparing it to garbage keyboards you can buy for $5.
Unfortunately I don't know any reviewers that actually test the latency of keyboards. Not too complicated but it does require getting access to the keyboard's PCB in order to snoop or simulate a key press. As for required test hardware, an arduino or raspberry pi would work, so it's not particularly expensive.
Quote:
That Dell KB is so smooshy. I have that sitting in my drawer and using a Ducky Blue instead.Originally Posted by MagicBox
Hmmm.. wonder if I could make it start smoking once I begin coding.
P.S. It's not mechanical, but I've found this Dell KB 522 to be a perfect coding board. It's über fast. It's perfect.
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Quote:
I'm hoping they do a really indepth examination of the keyboard.
Quote:Originally Posted by SpankyMcFlych
How is nkro new technology?
Quote:Originally Posted by iSlayer
Because they said so.![rolleyes.gif]()
Hey guys I'm going to release the world's first keyboard with DetachableArmRest technology next week! Get your cheques ready!
Quote:Originally Posted by GetToTheChopaa
It sounds like they hired Apple's marketing department.![rolleyes.gif]()
NKRO isn't supposed to be possible over USB but somehow they got it to do that here.Originally Posted by The Robot
Or Razer's.
I'm hoping they do a really indepth examination of the keyboard.
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Quote:
![rolleyes.gif]()
My DetachableArmRest technology removes extra fast as wellOriginally Posted by Gilles3000
You guys... nkey-rollover is just part of the new tech, its not a new feature. The main improvement of this tech is the massive latency reduction.
I suggest you watch LTT's yt vid, Slick does a pretty good job explaining it.
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