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Clueboard / FC660m 66% Mechanical Keyboard v2

by fumbucker Jul 19, 2018
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Is it possible to use a hotswappable PCB with this?

nope. hand wire only.

One more question, what kecap set is that in the green one you have? I printed the case in just about the same color and want a similar color scheme key cap set.

Ok, I just can't wrap my head around the matrix wiring :(

This is currently where I'm at https://i.imgur.com/dMxcJq5.jpg?1

I think I've got that all wired up correctly. I've looked at the matrix layout github and the teensy row/cow github but it doesn't make sense to me. You don't happen to have a cleaner shot of your wiring do you? Something that I can see that shows for example, B2 on the teensy is wired to X key/keys?

Wow firstly, that wiring is super tidy. Well done!

You've not wired it correctly for rev3 of clueboard as the left and right sides of the keyboard should wired up as separate rows. Thankfully, it does look like you've wired it correctly for rev1 so you need to refer to the rev1 wiring matrix and flash the rev1 firmware.

See the wiring matrix for clueboard rev1 here: https://github.com/qmk/qmk_firmware/blob/master/keyboards/clueboard/66/rev1/rev1.h
The first digit indicates the row. The second digit indicates the column.

Also refer to the matrix pins here: https://github.com/qmk/qmk_firmware/blob/master/keyboards/clueboard/66/rev1/config.h

So for switch 00 (esc/tilde), that whole column should be wired to pin B3 and the entire row should be wired to D1.
Switch 4F (right arrow) column should be wired to pin B1 and the row should be to D3.

Would love to see the finished thing and I think your photo would be very helpful to others who prefer to wire it up as rev1. Let me know how it goes!

Big post about flashing not working was here, but I finally figured it out and got it flashed and working!

Using the QMK Testor, most of my keys are working as expected, some aren't working so I'll have to check my solder connections and some are pulling up weird keys which might be the default keymap I choose, but at least it's somewhat working now!

Man, I can't thank you enough for the help you're giving!

I think I got it figured out, I wrote it all out and seeing it written out makes a lot more sense now :) It's like it just clicked finally lol

I will def post a buncha pics when it's all done!

Glad you sorted it out. Looking forward to seeing your pics!


Hopefully you see this comment since this post was made long ago.

I'm nearing the end of my build and I've finished wiring up just about but I'm confused as to how the M key (i think thats the one) is wired up. In column 8 you have all diodes on the right side and all column wires running down the left side, but on the last key in that column (row 4) it looks like you've wired the column wire to the right side and the diode to the left? Is this the case? Here's the reference I'm trying to use cause I cant figure out the qmk documentation. https://imgur.com/a/gkypKoe

Here's also a photo of my wiring with the key in question circled in red. https://imgur.com/a/EDon0ui

Really appreciate your help, been spending a lot of time on this as a fun project.

Kind of stuck in place right now.

The picture is of an older revision. If you compare the image to the piece you have printed, you will see that the M key is now located on the correct side to simplify the wiring. If there's any confusion, just put the pieces next to each other and consider it as one piece then refer to the clueboard wiring documentation in the qmk firmware.

Figured as such about the M key just being moved but specifically I was wondering why the M key appears to be wired in reverse. The column cable is attached to the left side all the way down the column, and diodes on the right. But suddenly on that M key the column cable is attached to the right side and the diode is on the left.

Sorry if I'm not making much sense- never worked with keyboards or wiring.

Do you mean which pin on the switch that the diode is soldered to? It doesn't make a difference which pin you solder to as the keyswitch is literally just a switch. Just make sure the polarity of the diode is correct.

Neat print btw. Can't wait to see the finished thing.

Sorry to keep asking questions but on the qmk documentation the column pins list pin E6 and i cant find that on my teensy. can i just edit the code to be any pin or is this pin special in some way?

I think you can just edit the pin in the firmware. Are you using teensy 2.0 or teensy 2++?

Teensy 2.0. Its pinouts don't even have an E range.

Edit: Nvm I'm an idiot, theres an E6 pin on the internal portion.

Nice. you're almost there. a tip: make sure you flash the teensy before closing everything up. after that, you can press the reset hotkey to reflash (i think it's fn+shift+r or something - refer to firmware).

Yep, that answers my question. I was just lacking some fundamental info about how keyboards work. And thanks! Here's what I have so far. I'll add it to my makes when finished. (missing a few screws and temporary printed red key) https://imgur.com/a/nOlPvit

Did you need to edit the clueboard qmk firmware in any way or was it just debug/plug and play after assembly?

Comments deleted.

Does anyone know, besides the clueboard which is seemingly impossible to find, other 66% PCBs that are available to buy that will fit this guy? If not I'll have to be up to the challenge of hand wiring it myself I guess!

this isnt designed for pcb anyway so youll have to hand wire.

I kinda figured that...looks like hand wire it is!

Hi, I'm having trouble mounting the cherry stabilizers for the space bar. I've no idea how you did it but it's such a pain. Mind if you throw in some pictures of that step?

Thanks in advance!

sorry i haven't got any pictures but you pretty much have to disassemble the stab to get the bar through. put the stabs in almost all the way, slide the bar into the stem then seat the stabiliser fully. make sure you've got plate mount stabs as pcb stabs won't work

I have mount stabs, I tried exactly as you described but I'll jiggle it a bit more, maybe I get it done. Thanks for the fast reply

EDIT: I've done it!

still waiting for my teensy board but this is how it will look like in the end

Sorry to bother you again, but I can't figure out how you wired the teensy with only using 18 pins. I can't understand the layouts from clueboard either.
Any chance you could give me a hint?

not sure what you mean. its not one switch per pin. the switches are wired in rows and columns with diodes in the rows. look at the qmk documentation about wiring

Comments deleted.

Yes, you're correct. Two physical columns should be wired up to one pin. This doesn't make a lot of sense to hand wire as it's probably wired that way for PCB. If you look at rev 2 or rev 1 of clueboard on qmk, you can see that the rows and columns correspond to the physical layout of the switches. It's probably possible to wire it like rev2. I just didn't do it because it's all the same in the end.

This file shows the wiring matrix
There are 8 columns and 10 rows
the numbers in the matrix indicate row and column i.e. switch 00 is row 0 col 0, switch 97 is row 9 col 7
That means key 00 and 50 are soldered in the same column even though they are not physically located vertically relative to one another.

This file shows which row or column should be wired to which pin on the teensy

This picture from my build log demonstrates this
https://imgur.com/m5zmXS2 <- sorry about messy wiring, but in this picture, you can see that orange on the top left of the image joins up column 7, the yellow wire joins up col 6 and green joins col 5 etc...

Here's what we should aspire to achieve:

Ok, now I get it. Thanks man!

Hey man,

any chance you could upload the CAD files? Tried to change the layout to German ISO by converting the STL to a STEP file, but a clean remix from a CAD file would be better in my opinion.

Thanks in advance!

I added the fusion file and exported a step file from fusion.