92 lines
3.9 KiB
Markdown
92 lines
3.9 KiB
Markdown
Cheapino
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========
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Probably one of the cheapest split keyboards you can build.
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N.B.: Version 2 is out(check releases). I recommend you build v2 instead of v1.
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V2 build by soul_wish: https://www.reddit.com/r/ErgoMechKeyboards/comments/1c5njbj/my_first_build_cheapino_v2/ :
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V1 build:
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This is the result of really enjoying building keyboards,
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but not wanting to spend that much money on it.
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The pcb is reversible, connected using rj45,
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and utilizes a japanese duplex matrix, so only one
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mcu is needed(in fact it only uses 7 of the rj45 wires to
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support 18 switches and an encoder on the right side).
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See the [ordering guide](doc/orderingguide.md) for what you need and how to order.
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See the [build guide v2](doc/buildguide_v2.md) for more details and pictures of how to actually build it.
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(Obsolete: [build guide v1](doc/buildguide_v1.md))
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Checkout the [troubleshooting guide](doc/troubleshooting.md) if your Cheapino does not work.
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See the [firmware guide](doc/firmware.md) for how to build and customize keyboard firmware.
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News: both v1 and v2 supports vial, checkout the cheapino_vial.uf2 in the releases.
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If you just want to flash [Miryoku](https://github.com/manna-harbour/miryoku)
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on your Cheapino, download the [uf2 file from the release section](https://github.com/tompi/cheapino/releases/download/v1.0/cheapino_manna-harbour_miryoku.uf2),
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put the rp2040-zero in dfu mode by holding boot while pressing reset, then return,
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then you should get a new usb drive which you can just copy the uf2 file to.
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A qmk branch with support is located here:
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https://github.com/tompi/qmk_firmware/tree/cheapino
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If you are wondering if this is actually usable, Im writing this on it, and Im pretty happy with it.
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My son is also using his at his work and claims its very usable.
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These are a few other people that built it:
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https://www.reddit.com/r/ErgoMechKeyboards/comments/12xg4u7/built_the_cheapino/
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https://www.reddit.com/r/ErgoMechKeyboards/comments/13c274r/cheapino_build/
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https://discuss.tchncs.de/post/410101
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https://discuss.tchncs.de/post/852362
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https://lemmy.world/post/2080485
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https://lemmy.world/post/2832967
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https://www.reddit.com/r/ErgoMechKeyboards/comments/18i5jpu/first_build_cheapino/
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https://www.reddit.com/r/ErgoMechKeyboards/comments/18zb3l1/first_build_finally_cheapino/
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https://lemmy.world/post/2480447
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Printable file for the case here: https://www.printables.com/model/541536-cheapino-case-with-basic-tenting
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Probably the cheapest tenting solution: https://www.reddit.com/r/ErgoMechKeyboards/comments/16s3yb2/cheapino/
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@keyboard-magpie made a plate which will help position the switches: [plate.stl](plate.stl)
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@ggppjj made some useful modifications to miryoku and enabled LED for that as well here: https://github.com/ggppjj/qmk_firmware/releases
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Drawbacks:
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* V1 only: Without a plate, its pretty difficult to solder swithes straight. I made a small helper "fork" to hold each column in place when soldering. Check the build guide for a link to a really good 3D printed fork.
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* RJ45 cables are a bit rigid, so they do not lay down on the table nicely like audio cables.
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* There is no official qmk support, you need to compile from my branch manually... Keymap can be edited in qmk configurator though.
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