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docs/docs/assets/pro-micro/pro-micro-pins-labelled.jpg
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@ -35,6 +35,8 @@ in the `app/boards/${arch}/${board_name}` directory, e.g. `app/boards/arm/planck
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## Pro Micro Compatible Keyboard
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## Pro Micro Compatible Keyboard
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![Labelled Pro Micro pins](assets/pro-micro/pro-micro-pins-labelled.jpg)
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For keyboards that require a (usually Pro Micro compatible) add-on board to operate, the ZMK integration pieces are places
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For keyboards that require a (usually Pro Micro compatible) add-on board to operate, the ZMK integration pieces are places
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in the _shield_ definition for that keyboard, allowing users to
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in the _shield_ definition for that keyboard, allowing users to
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swap in different Pro Micro compatible boards (e.g. Proton-C, or nice!nano) and build a firmware the matches their actual
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swap in different Pro Micro compatible boards (e.g. Proton-C, or nice!nano) and build a firmware the matches their actual
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@ -64,6 +64,10 @@ endif
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## Shield Overlay
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## Shield Overlay
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![Labelled Pro Micro pins](assets/pro-micro/pro-micro-pins-labelled.jpg)
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ZMK uses the green color coded pin names to generate devicetree node references. For example, to refer to the node `D0` in the devicetree files, use `&pro_micro_d 0` or to refer to `A1`, use `&pro_micro_a 1`.
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The `<shield_name>.overlay` is the devicetree description of the keyboard shield that is merged with the primary board devicetree description before the build. For ZMK, this file at a minimum should include the [chosen]() node named `zmk,kscan` that references a KSCAN driver instance. For a simple 3x3 macropad matrix,
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The `<shield_name>.overlay` is the devicetree description of the keyboard shield that is merged with the primary board devicetree description before the build. For ZMK, this file at a minimum should include the [chosen]() node named `zmk,kscan` that references a KSCAN driver instance. For a simple 3x3 macropad matrix,
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this might look something like:
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this might look something like:
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