54 lines
3.3 KiB
Markdown
54 lines
3.3 KiB
Markdown
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# Microsoft Sculpt Mobile
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This is a way to take a Microsoft ergonomic bluetooth keyboard, and make it
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into a hard-wired keyboard running QMK.
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The keyboard is known under several different names:
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Mobile Bluetooth 5000, Mobile 6000, Sculpt mobile, and Asus rebranded.
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I had a stack of them, since they're cheap on ebay, travel well, and are just ergo enough.
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The ribbon cable is 1mm pitch, which is hard to hand solder. I bought a cheap set of
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"pitch adapter" boards https://www.amazon.com/Double-Sided-0-4mm-1-0-Adapter-60mmx38mm/dp/B00OK42118
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Cut the original ribbon cable sockets off the bluetooth board using a razor, they're hard to desolder.
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They're also allow the cable to be inserted on top or bottom.
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If I was going to do it again, I'd make the MCU connection come out the top of the keyboard
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and avoid the wires dangling out the bottom.
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As I was debugging the matrix, I started to get random failures. In desparation I tried a second MCU,
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but had the same problems. It turns out that the ribbon cable connections can get worn. Shave a
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half millimeter off the end of the ribbon cable & the errors go away.
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My method for discovering the matrix was to set up a LAYOUT macro that included all pins.
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See MATRIX_TESTING_LAYOUT if you need it. Then set up a keymap that has all printable symbols
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in the first 4 rows. test each key & record output. Then switch the printable symbols to the
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bottom 4 rows & repeat. This was enough to show the matrix.
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The full original keymap for the Sculpt is
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| | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R |
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|:-:|:--:|:--:|:--:|:---:|:---:|:---:|:----:|:----:|:----:|:-----:|:----:|:------:|:----:|:-----:|:----:|:------:|:----:|:---:|
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| 0 | b | n | m | , | . | / | | | | Caps | | | | | | | | Fn |
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| 1 | g | h | " | | | | | | | | Vol+ | Mute | RCtl | | Vol- | PgDn | LCtl | |
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| 2 | 7 | 8 | 9 | 0 | Del | | PgUp | | | | | RShift | | | | LShift | | |
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| 3 | p | [ | ] | \ | | | | | | | RAlt | | | | LAlt | | | |
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| 4 | y | u | i | o | | | | | | | | | | LGUI | | | | |
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| 5 | ~ | - | += | j | k | l | ; | 5 | 6 | Bksp | 1 | 2 | 3 | 4 | F4 | F5 | F6 | |
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| 6 | a | s | d | q | w | e | Up | Left | Down | Right | | | | Space | F1 | F2 | F3 | Tab |
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| 7 | F7 | F8 | F9 | F10 | F11 | F12 | | f | r | t | z | x | c | | v | Enter | Esc | |
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This works with 18 cols + 8 rows on a Teensy++, or ARM-based Teensy.
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The Astar mini has all pins exposed , so you can do 18x8
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If you want a speaker, LEDs, etc., you'll need to free up a pin. I recommend joining columns
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R and L to the same pin.
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Make example for this keyboard (after setting up your build environment):
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make handwired/ms_sculpt_mobile:default
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See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
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