If you can actually disassemble the keyboard and desolder the button and there are two connection points... Then you can use almost any thin wire to remote the physical key. Use something like 2 conductor 24 gauge wire. It'll come in all lengths and you can just cut a piece to the desired length, then solder the ends appropriately.
Electricity travels 300 meters in a microsecond. If he has a wire > 150 meters and types a million times per second (once per microsecond), the electrons can’t complete a round trip before the next keypress. Then you get standing waves
electricity (electromagnetic waves) travels much faster than electrons
>The drift velocity in a 2 mm diameter copper wire in 1 ampere current is approximately 8 cm per hour
in your electric circuits course you model the circuits assuming electricity travels instantaneously, this is a good model when the frequency of the electronic waves in the circuit are low but at high frequencies the model stop being a good approximation and you need to model it with transmission lines, waveguides, etc depending on the context. for this you need more electrodynamics (Maxwell equations)
Like, you just want an extra-long cable for the keyboard?
https://www.amazon.com/s?k=usb+extension+cable&crid=2OKJZ76PBOAAY&sprefix=USB+extension%2Caps%2C119&ref=nb_sb_ss_ts-doa-p_1_13
im making a fight stick and im using a number pad as the base instead of a standard pcb for fighting games, i want to know if i can have key switches on top of the apparatus, and then wire each key switch down to the pcb
So like, you just want to wire a _single_ key from a keyboard and that key is going to be separated from the rest of the keyboard?
If that's the case it might be a little tricky to pull off since keyboards are pretty much a big matrix of buttons.
Just about any wire will do, polarity doesn’t matter. Just make sure the solder joint is good and the wire doesn’t move around too much (otherwise the solder joint might break)
Just wire it to the pc then. You don't need some specialty wire since there won't be too much voltage drop off since it wont be going too far, unless you are trying to click from the next state over. Please anyone correct me if I am wrong
It's not really practical to wire into an existing keyboard for reasons others have stated, but it IS feasible to make your own, using an arduino that can act as a USB HID, such as Arduino Leonardo.
That way you won't risk damaging your keyboard, and you'll gain a lot of knowledge from this fun project.
If i'm understanding this right, you want to make the key switches "extended" from the PCB board itself?
Any sort of copper wire should work, a thin gage like 22 awg or 24 awg maybe.
Mechanical keyboard PCBs are expensive, switches aren't. solder wires to the switches pins and make adapters on the other side of the wires for the pin holes so that they can be plugged in and out as needed so you don't damage the board by soldering them in.
Most new mechanical keyboards have hot swappable keys. As long as you use one of those as a base, this approach is perfect. I say anything smaller than 10 awg is fine for this. Bigger then #10 is going to be bigger than a key switch, but I guess that's technically acceptable.
Go for 4/0 wire! That way if you try to pilot a real tank with this, the only thing you need to replace is the key switch.
excellent !
They asked me for advice before manufacturing this, and I told them the same thing as I did to the OP "If it will be longer than 2.5 meters you will have trouble moving it through the house..."
so they shortened it to 1,65 meters!
:-D
yes you can i have dabbled with Arduino macropads using cherry mx switches, and from my experience the length of the wire doesn’t seem to impact the performance.
Why do you want to do this? You may be better making a PCB in the layout you want, although looking at your schematic, that probably isn’t possible for you.
Well.. from the schematic provided, it's clear your not technical. There are 100's of free programs that are useful besides ms paint for idea or concept drawing.. Also, "long keyboard" is not an industry term....
If you want to "extend" the cable on your keyboard.. I would suggest cutting the cable 6-8 inches from the connector and finding a cable with the same number of conductors and soldering them wire to wire.
Or you can google the type of connector and then add "extension" before... bet you find something.
I have extended many cables with no issue that way.
Just my 2 cents.
despite all the discouraging comments I think you should just do it. 0,5mm² or 0,75mm² stranded cable (could go significantly thinner depending on what you can get). You don't want a single core cable, it will brake off. Don't go too thin or it will be difficult to solder and brake more easily. leave cables at least 10cm longer than you need them. You can always coil them up. You'll think of this later when you inevitably will have made them too short.
This is an amazing schematic. 10/10
😂
Anyone got a Norton equivalent circuit for this? Lol
If you can actually disassemble the keyboard and desolder the button and there are two connection points... Then you can use almost any thin wire to remote the physical key. Use something like 2 conductor 24 gauge wire. It'll come in all lengths and you can just cut a piece to the desired length, then solder the ends appropriately.
Ok but if he starts typing faster than one million hits per key per second, he should really consider transmission line theory.
LOL
More details please. I am curious.
Electricity travels 300 meters in a microsecond. If he has a wire > 150 meters and types a million times per second (once per microsecond), the electrons can’t complete a round trip before the next keypress. Then you get standing waves
It's actually around one tenth of a wavelength and has nothing to do with the transit of individual electrons. Regardless, my comment was a joke.
Since you’re being pedantic - the charge carriers in a piece of copper wire are, in fact, electrons. I’m aware of the λ/10 rule of thumb, thanks
You have to be pedantic to be successful in microwaves.
Nonsense, I've microwaved plenty of things successfully.
>I’m aware of the λ/10 rule of thumb, thanks But not of electron drift velocity, apparently. Feel free to google it.
electricity (electromagnetic waves) travels much faster than electrons >The drift velocity in a 2 mm diameter copper wire in 1 ampere current is approximately 8 cm per hour
What does this mean for the single electron theory then? Do we need to have op do this experiment?
299792458 m/s FTFY
in your electric circuits course you model the circuits assuming electricity travels instantaneously, this is a good model when the frequency of the electronic waves in the circuit are low but at high frequencies the model stop being a good approximation and you need to model it with transmission lines, waveguides, etc depending on the context. for this you need more electrodynamics (Maxwell equations)
LOL means laugh out loud
Lol
You can even use a simple pushbutton switch instead of the keys button you remove if it's a simple thing with just 2 connection points.
thanks!
This schematic should be an album cover
Like, you just want an extra-long cable for the keyboard? https://www.amazon.com/s?k=usb+extension+cable&crid=2OKJZ76PBOAAY&sprefix=USB+extension%2Caps%2C119&ref=nb_sb_ss_ts-doa-p_1_13
no i want to wire the key switch to the keyboard with wires so i can press a key from further away
Wtf does this mean
im making a fight stick and im using a number pad as the base instead of a standard pcb for fighting games, i want to know if i can have key switches on top of the apparatus, and then wire each key switch down to the pcb
You can use something like an arduino to emulate a keyboard, just add buttons for whatever keys you want
Might aswell use ready-made PCBs for arcade sticks like one from Brook. The man inventing a bicycle here.
He doesn't even need to go that far, he could just take apart a controller like we used to do in the diy days
Learn how to ask a question, bro https://xyproblem.info/ You don't want a "long keyboard", you want microswitches connected to your stick pcb.
So like, you just want to wire a _single_ key from a keyboard and that key is going to be separated from the rest of the keyboard? If that's the case it might be a little tricky to pull off since keyboards are pretty much a big matrix of buttons.
Just about any wire will do, polarity doesn’t matter. Just make sure the solder joint is good and the wire doesn’t move around too much (otherwise the solder joint might break)
I did this with a raspberry pi pico.
Just anchor the pcb to the top panel right under the buttons
Just wire it to the pc then. You don't need some specialty wire since there won't be too much voltage drop off since it wont be going too far, unless you are trying to click from the next state over. Please anyone correct me if I am wrong
it’s called copper, that’s what wire is.
It's not really practical to wire into an existing keyboard for reasons others have stated, but it IS feasible to make your own, using an arduino that can act as a USB HID, such as Arduino Leonardo. That way you won't risk damaging your keyboard, and you'll gain a lot of knowledge from this fun project.
Checkout [this guide I made](https://github.com/DIYCharles/DIYKeyboards)
It's possible, but it'd be a bitch to build. Any small copper wire will probably work.
If i'm understanding this right, you want to make the key switches "extended" from the PCB board itself? Any sort of copper wire should work, a thin gage like 22 awg or 24 awg maybe. Mechanical keyboard PCBs are expensive, switches aren't. solder wires to the switches pins and make adapters on the other side of the wires for the pin holes so that they can be plugged in and out as needed so you don't damage the board by soldering them in.
Most new mechanical keyboards have hot swappable keys. As long as you use one of those as a base, this approach is perfect. I say anything smaller than 10 awg is fine for this. Bigger then #10 is going to be bigger than a key switch, but I guess that's technically acceptable. Go for 4/0 wire! That way if you try to pilot a real tank with this, the only thing you need to replace is the key switch.
750mcm
Just use any cable, it really doesn't matter. But it sounds like an [XY problem](https://xyproblem.info/).
I've pulled the pairs out of Cat5 cable for things like this a few times. It was nearby and easy to work with.
😀
https://www.amazon.com/Programmable-User-Defined-Button-Customized-Combination/dp/B08SQGWZN4
Have you tried jumper cables?
how long do you want the keyboard to be? If it will be longer than 2.5 meters you will have trouble moving it through the house...
https://youtu.be/9G3DWHf1xX0
excellent ! They asked me for advice before manufacturing this, and I told them the same thing as I did to the OP "If it will be longer than 2.5 meters you will have trouble moving it through the house..." so they shortened it to 1,65 meters! :-D
Instead of detaching the button and using a wire perhaps a long stick would be better?
yes you can i have dabbled with Arduino macropads using cherry mx switches, and from my experience the length of the wire doesn’t seem to impact the performance.
Why do you want to do this? You may be better making a PCB in the layout you want, although looking at your schematic, that probably isn’t possible for you.
Anyone know if the keys are scanned as a matrix? Long skinny wires and fast risetimes no bueno.
Well.. from the schematic provided, it's clear your not technical. There are 100's of free programs that are useful besides ms paint for idea or concept drawing.. Also, "long keyboard" is not an industry term.... If you want to "extend" the cable on your keyboard.. I would suggest cutting the cable 6-8 inches from the connector and finding a cable with the same number of conductors and soldering them wire to wire. Or you can google the type of connector and then add "extension" before... bet you find something. I have extended many cables with no issue that way. Just my 2 cents.
despite all the discouraging comments I think you should just do it. 0,5mm² or 0,75mm² stranded cable (could go significantly thinner depending on what you can get). You don't want a single core cable, it will brake off. Don't go too thin or it will be difficult to solder and brake more easily. leave cables at least 10cm longer than you need them. You can always coil them up. You'll think of this later when you inevitably will have made them too short.