.gitignore

@@ -24,7 +24,7 @@ dist
 /ergogen/output
 
 # Kicad temporary files
-/kicad/*-backups/
+/kicad/*/*-backups/
 *.bak
 *.kicad_pcb-bak
 *.kicad_sch-bak

README.md

@@ -5,10 +5,19 @@ Custom ergonomic mechanical keyboard with low-profile (Choc) switches.
 ## Versions
 
 - **eepyBoard v1.0: Hardware revision 1**
-  - Mostly ortholinear layout with 13 columns
+    - Mostly ortholinear layout with 13 columns (73 keys + rotary encoder)
-  - Bottom row: two regular keys + four thumb keys (per side, symmetrical)
+    - Bottom row: two regular keys + four thumb keys (per side, symmetrical)
-  - Partial F-key row (Esc, F1-F8) and rotary encoder
+    - Partial F-key row (Esc, F1-F8) and rotary encoder
-  - RP2040 controller board in upper right corner
+    - RP2040 controller board in upper right corner
+
+- **eepyBoard v1.1: Hardware revision 2**
+    - Column staggered split layout (single board) with a total of 15 columns and 6 rows (88 keys + 2 rotary encoders)
+    - Each side has 7 columns by 5 rows (not counting function keys and arrow keys)
+    - Bottom row: three regular keys + four thumb keys on each side, and an additional centered thumb key
+    - Full F-key row (Esc, F1-F12)
+    - 4 arrow keys in the center
+    - 2 pressable rotary encoders (one in the center of the keyboard, one in the upper right)
+    - Compact RP2040 "Pico Mini" controller board in the center
 
 ## Repository structure
 
@@ -30,37 +39,41 @@ they can be exported as Gerber files and send to a PCB manufacturer.
 To generate the KiCad PCB file with Ergogen, first install Ergogen using npm: `npm install`.
 
 Then, run `npm run ergogen`. You can find the KiCad file in `ergogen/output/pcbs/eepyboard.kicad_pcb`.
-Copy the file to `kicad/eepyboard.kicad_pcb`.
+Copy the file to `kicad/revN/eepyboard_revN.kicad_pcb` (replace `revN` with the current revision).
 
 #### Routing and finalizing the KiCad files
 
 Open the file in KiCad (create a project if non exists yet). Finalize the PCB in KiCad.
 
-1. Run the Design Rules Checker. Check the errors. Most of them can be ignored/excluded.
+1. Round off the bottom corners of the board outline:
+    - Remove the bottom center line and the two small fillet arcs next to it.
+    - Select the two remaining bottom lines. Right click them and use "Shape Modification -> Extend Lines to Meet".
+    - Right click the two angled lines again. Use "Shape Modification -> Fillet Lines..." with a 200mm radius.
+2. Run the Design Rules Checker. Check the errors. Most of them can be ignored/excluded.
     - All "Footprint not found in libraries" can be ignored completely. This is due to how Ergogen generates the PCB.
-2. Add VCC and GND planes.
+3. Add VCC and GND planes.
     - Menu: `File -> Board Setup`
     - On "Physical Stackup", change the copper layer number to 4.
     - On "Board Editor Layers", change the type of `In1.Cu` and `In2.Cu` to "power plane".
     - NOTE: `In1.Cu` will be the VCC plane, `In2.Cu` will be a GND plane.
-3. Add filled zones to the VCC and GND planes.
+4. Add filled zones to the VCC and GND planes.
     - Select the `In1.Cu` layer.
     - Use the "Add a filled zone" tool and draw a rectangle that contains the entire board. Assign the zone to VCC.
     - Repeat the same process for the `In2.Cu` layer and assign the zone to GND.
     - The zones don't need to be filled just yet.
-4. Add another filled zone on the `B.Cu` layer and assign it to GND.
+5. Add another filled zone on the `B.Cu` layer and assign it to GND.
-5. Route all signal traces (no VCC or GND yet). Recommended order:
+6. Route all signal traces (no VCC or GND yet). Recommended order:
     - Matrix rows (on `B.Cu`)
     - Matrix columns (with vias on `F.Cu`)
     - NeoPixel data pins
     - Connect everything to the MCU.
-6. Route VCC traces.
+7. Route VCC traces.
     - Connect the VCC traces between the NeoPixel chips and the capacitors with a 0.750 mm track.
     - Place free-standing vias (Ctrl+Shift+V) in the middle of the just created VCC traces.
-7. Route GND traces.
+8. Route GND traces.
     - Draw short GND traces with a 0.750 mm track and a via at the end next to the GND pads of the NeoPixel chips.
-8. Fill all zones by pressing B. Make sure that all nets are routed.
+9. Fill all zones by pressing B. Make sure that all nets are routed.
-9. Run the Design Rules Checker and make sure there are no (relevant) violations.
+10. Run the Design Rules Checker and make sure there are no (relevant) violations.
 
 #### Export Gerber files
 
@@ -69,7 +82,7 @@ Now you can generate the gerber, drill and map files.
 1. Generate Gerber files.
     - Menu: `File -> Fabrication Output -> Gerbers`
     - Select plot format `Gerber`.
-    - Set output directory to `gerber/rev1/` (adjust for current revision).
+    - Set output directory to `gerber/`.
     - Set coordinate format to `4.6, unit mm`.
     - Click `Plot` to generate files.
 2. Generate drill and map files.
@@ -78,7 +91,7 @@ Now you can generate the gerber, drill and map files.
     - Set drill units to millimeters.
     - Set same output directory as above.
     - Click `Generate Drill File`, then `Generate Map File`
-3. Create zip file with all generated files from `kicad/gerber/{REVISION}`.
+3. Create zip file with all generated files from `kicad/gerber/`.
     - No subdirectories, only files.
     - Ideally name the file `kicad/gerber/eepyboard_{REVISION}.zip`.
 4. Upload zip file to manufacturer and make sure everything is correct.

ergogen/config.yaml

@@ -8,7 +8,7 @@ meta:
   # Required version of Ergogen
   engine: "4.1.0"
   # Version of the board
-  version: "1.0"
+  version: "1.1"
   author: binaryDiv
 
 # Define units and default values used throughout this file
@@ -29,268 +29,409 @@ units:
   $default_spread: cx
   $default_padding: cy
 
-  # Vertical offset between function keys and primary keys
+  # Vertical offset between function key row and main zone
-  function_zone_offset: 3
+  function_offset: 3
 
-# Define the points (i.e. keys)
+  # Horizontal offset/gap between function key groups (Esc, F1-F4, F5-F8, F9-F12)
+  function_gap: 6
+
+  # Distance between left and right half of the main zone
+  split_gap_width: 2cx + 3
+
+  # Radius of rotary encoder knob (just for visualization)
+  rotary_encoder_radius: 10
+
+# Define the points (primarily the keys, but also some auxiliary points for
+# placement of other components, e.g. rotary encoders and the controller board)
 points:
   key:
     # Tag all points as "is_key" unless overwritten
     tags: [ is_key ]
+    # Use 5V as VCC for all RGB LEDs, except for the first one in the chain
+    led_vcc_net: VCC
 
   zones:
-    # Primary keyboard zone
+    # Main keyboard zone
-    primary:
+    main:
       # Set anchor to fix placement on KiCad sheet
       anchor:
-        shift: [ 100, -150 ]
+        shift: [ 75, -175 ]
 
       # Key rows (from bottom to top)
       rows:
-        # Modifier row (Ctrl, ..., but excluding the thumb keys)
+        # Modifier row (Ctrl etc., but excluding the thumb keys)
         mods:
-          row_net: GP17
+          row_net: ROW1
-          led_previous_key: "{{zone.name}}_{{neighbor_col_left}}_{{row}}"
+          led_next_key: "{{zone.name}}_{{neighbor_col_left}}_{{row}}"
-          tags: [ is_key, flip_led ]
 
-        # Bottom letter row (Shift, ZXCV...)
+        # Bottom letter row
         bottom:
-          row_net: GP16
+          row_net: ROW2
-          led_previous_key: "{{zone.name}}_{{neighbor_col_right}}_{{row}}"
+          led_next_key: "{{zone.name}}_{{neighbor_col_right}}_{{row}}"
+          tags: [ is_key, flip_led ]
 
-        # Middle/home letter row (Caps Lock, ASDFG...)
+        # Home letter row
         home:
-          row_net: GP15
+          row_net: ROW3
-          led_previous_key: "{{zone.name}}_{{neighbor_col_left}}_{{row}}"
+          led_next_key: "{{zone.name}}_{{neighbor_col_left}}_{{row}}"
-          tags: [ is_key, flip_led ]
 
-        # Top letter row (Tab, QWERT...)
+        # Top letter row
         top:
-          row_net: GP14
+          row_net: ROW4
-          led_previous_key: "{{zone.name}}_{{neighbor_col_right}}_{{row}}"
+          led_next_key: "{{zone.name}}_{{neighbor_col_right}}_{{row}}"
-
-        # Number row (`, 12345...)
-        numbers:
-          row_net: GP13
-          led_previous_key: "{{zone.name}}_{{neighbor_col_left}}_{{row}}"
           tags: [ is_key, flip_led ]
 
+        # Number row
+        numbers:
+          row_net: ROW5
+          led_next_key: "{{zone.name}}_{{neighbor_col_left}}_{{row}}"
+
       # Key columns (from left to right)
       columns:
-        # Left-most column (`, Tab, Caps Lock, Shift, Ctrl)
+        # Left-most column (extra keys)
+        left:
+          key.column_net: COL1
+          key.neighbor_col_right: zero
+          rows.numbers.led_next_key: main_left_top
+          rows.home.led_next_key: main_left_bottom
+          # Use placeholder to mark end of the RGB LED chain (unused net name)
+          rows.mods.led_next_key: END_OF_CHAIN
+        # Modifier column (`, Tab, Shift, etc.)
         zero:
-          key.column_net: GP8
+          key.stagger: 1/8cy
+          key.column_net: COL2
+          key.neighbor_col_left: left
           key.neighbor_col_right: one
-          rows.numbers.led_previous_key: function_esc_default
-          rows.home.led_previous_key: primary_zero_top
-          rows.mods.led_previous_key: primary_zero_bottom
         # First letter column (1, Q)
         one:
-          key.column_net: GP7
+          key.stagger: 1/8cy
+          key.column_net: COL3
           key.neighbor_col_left: zero
           key.neighbor_col_right: two
         # Second letter column (2, W)
         two:
-          key.column_net: GP6
+          key.stagger: 1/8cy
+          key.column_net: COL4
           key.neighbor_col_left: one
           key.neighbor_col_right: three
           rows.mods.skip: true
         # Third letter column (3, E)
         three:
-          key.column_net: GP5
+          key.column_net: COL5
           key.neighbor_col_left: two
           key.neighbor_col_right: four
           rows.mods.skip: true
         # Fourth letter column (4, R)
         four:
-          key.column_net: GP4
+          key.stagger: -(1/4cy)
+          key.column_net: COL6
           key.neighbor_col_left: three
           key.neighbor_col_right: five
           rows.mods.skip: true
         # Fifth letter column (5, T)
         five:
-          key.column_net: GP3
+          key.stagger: -(1/4cy)
+          key.column_net: COL7
           key.neighbor_col_left: four
           key.neighbor_col_right: six
+          rows.top.led_next_key: arrow_keys_up
+          rows.bottom.led_next_key: arrow_keys_down
           rows.mods.skip: true
+
+        # (Gap with arrow keys in the middle: Matrix column 8)
+
         # Sixth letter column (6, Y)
         six:
-          key.column_net: GP2
+          key.spread: cx + split_gap_width
+          key.column_net: COL9
           key.neighbor_col_left: five
           key.neighbor_col_right: seven
+          rows.home.led_next_key: arrow_keys_right
           rows.mods.skip: true
         # Seventh letter column (7, U)
         seven:
-          key.column_net: GP1
+          key.stagger: 1/4cy
+          key.column_net: COL10
           key.neighbor_col_left: six
           key.neighbor_col_right: eight
           rows.mods.skip: true
         # Eighth letter column (8, I)
         eight:
-          key.column_net: GP0
+          key.stagger: 1/4cy
+          key.column_net: COL11
           key.neighbor_col_left: seven
           key.neighbor_col_right: nine
           rows.mods.skip: true
         # Nineth letter column (9, O)
         nine:
-          key.column_net: GP25
+          key.column_net: COL12
           key.neighbor_col_left: eight
           key.neighbor_col_right: ten
           rows.mods.skip: true
         # Tenth letter column (0, P)
         ten:
-          key.column_net: GP24
+          key.stagger: -(1/8cy)
+          key.column_net: COL13
           key.neighbor_col_left: nine
           key.neighbor_col_right: eleven
-          rows.mods.skip: true
+          rows.mods.led_next_key: mirror_thumb_one
         # Eleventh letter column (-, [)
         eleven:
-          key.column_net: GP23
+          key.stagger: -(1/8cy)
+          key.column_net: COL14
           key.neighbor_col_left: ten
           key.neighbor_col_right: twelve
-          rows.mods.led_previous_key: thumb_mirror_one_default
         # Twelfth letter column (=, ])
         twelve:
-          key.column_net: GP22
+          key.stagger: -(1/8cy)
+          key.column_net: COL15
           key.neighbor_col_left: eleven
-          rows.top.led_previous_key: primary_twelve_numbers
+          rows.top.led_next_key: main_twelve_home
-          rows.bottom.led_previous_key: primary_twelve_home
+          rows.bottom.led_next_key: main_twelve_mods
 
     # Thumb fan
     thumb:
-      # Position thumb keys based on the (non-existant) third key in the modifier row
+      # Position thumb keys based on the third key in the modifier row
       anchor:
-        ref: primary_two_mods
+        ref: main_one_mods
-        shift: [ 2, 0 ]
+        shift: [ cx + 1, 0 ]
 
-      # Rotate the thumb keys around the bottom-left corner of the key
+      # Zone-wide key settings
       key:
-        row_net: GP17
+        row_net: ROW1
-        tags: [ is_key, flip_led ]
+        # Rotate the thumb keys around the bottom-left corner of the key
         origin: [ -0.5cx, -0.5cy ]
-        splay: -4
+        splay: -6
 
       # Define thumb keys
       columns:
         one:
-          key.column_net: GP6
+          key.column_net: COL4
-          key.mirror.column_net: GP24
+          key.mirror.column_net: COL12
-          key.led_previous_key: primary_one_mods
+          key.led_next_key: main_one_mods
-          key.mirror.led_previous_key: thumb_mirror_two_default
+          key.mirror.led_next_key: mirror_thumb_two
         two:
-          key.column_net: GP5
+          key.column_net: COL5
-          key.mirror.column_net: GP25
+          key.mirror.column_net: COL11
-          key.led_previous_key: thumb_one_default
+          key.led_next_key: thumb_one
-          key.mirror.led_previous_key: thumb_mirror_three_default
+          key.mirror.led_next_key: mirror_thumb_three
         three:
-          key.column_net: GP4
+          key.column_net: COL6
-          key.mirror.column_net: GP0
+          key.mirror.column_net: COL10
-          key.led_previous_key: thumb_two_default
+          key.led_next_key: thumb_two
-          key.mirror.led_previous_key: thumb_mirror_four_default
+          key.mirror.led_next_key: mirror_thumb_four
         four:
-          key.column_net: GP3
+          key.column_net: COL7
-          key.mirror.column_net: GP1
+          key.mirror.column_net: COL9
-          key.led_previous_key: thumb_three_default
+          key.led_next_key: thumb_three
-          key.mirror.led_previous_key: thumb_four_default
+          key.mirror.led_next_key: thumb_center
 
       # Mirror the thumb fan
       mirror:
-        ref: primary_five_numbers
+        ref: main_five_bottom
-        shift: [ 0.5cx, 0.5cx ]
+        shift: [ 0.5cx, 0.5cy ]
-        distance: 1cx
+        distance: split_gap_width
 
-    # Function key row above the primary zone (Esc + 8 more keys)
+    # Single key centered between thumb keys
-    # (Note that the keys are only named "f[1-8]" for convenience and are not a full set of F1-F12 keys. They can be
+    thumb_center:
-    # used as F-keys when needed, but will more likely be used for macros and other special functions.)
-    function:
-      # Position function key row above primary zone with 3mm of vertical offset
       anchor:
-        ref: primary_zero_numbers
+        # Center between the two inner thumb keys
-        shift: [ 0, cy + function_zone_offset ]
+        aggregate.parts:
+          - thumb_four
+          - mirror_thumb_four
+        shift: [ 0, -0.25cy ]
 
+      # Key settings (instead of rows/columns)
       key:
-        row_net: GP12
+        width: 1.5kcx
+        row_net: ROW1
+        column_net: COL8
+        led_next_key: thumb_four
+        tags: [ is_key, 1_5u ]
+
+    # Arrow keys in the middle of the keyboard
+    # In the matrix, these keys act as 4 keys in a single column (column 8, row 2 to 5)
+    arrow_keys:
+      anchor:
+        # Center between the V and B keys, then shift down half a key
+        aggregate.parts:
+          - main_five_bottom
+          - main_six_bottom
+        shift: [ 0, -cy/2 ]
+
+      # Assign all keys to the same column
+      key:
+        column_net: COL8
+
+      rows:
+        # Bottom row: Only the down key
+        bottom:
+          row_net: ROW2
+          tags: [ is_key, flip_led ]
+
+        # Center row: Left and right keys (shifted to the left to center them)
+        center:
+          adjust.shift: [ -cx/2, 0 ]
+          # Use ROW3 for the left key and ROW5 for the right key (overridden in columns)
+          row_net: ROW3
+
+        # Top row: Only the up key
+        top:
+          row_net: ROW4
+          tags: [ is_key, flip_led ]
+
+      columns:
+        # Left column: Up, left, down keys
+        left:
+          rows.top:
+            name: arrow_keys_up
+            led_next_key: main_six_top
+          rows.center:
+            name: arrow_keys_left
+            led_next_key: main_five_home
+          rows.bottom:
+            name: arrow_keys_down
+            led_next_key: main_six_bottom
+
+        # Right column: Only right key (assigned to matrix row 5)
+        right:
+          rows.top.skip: true
+          rows.center:
+            name: arrow_keys_right
+            row_net: ROW5
+            led_next_key: arrow_keys_left
+          rows.bottom.skip: true
+
+    # Function key row above the main zone (Esc, F1-F12)
+    function:
+      # Position function key row above main zone with 3mm of vertical offset
+      anchor:
+        # To center the F keys on the top of the keyboard:
+        # - Get center point between keys 3 and 8 (they have the highest staggering)
+        # - Shift upwards by one key + an offset to have a small gap
+        # - Shift to the left by 7 keys (Esc, F1-F6) + the gaps between the F key groups.
+        aggregate.parts:
+          - main_three_numbers
+          - main_eight_numbers
+        shift: [ -6.5cx - 2 * function_gap, cy + function_offset ]
+
+      # Single row zone: Assign row net
+      key:
+        row_net: ROW6
+        tags: [ is_key, flip_led ]
 
       # Define function keys
       columns:
         # Escape key
         esc:
-          key.column_net: GP8
+          key.shift: [ 0, -cy/8 ]
-          key.led_previous_key: function_f1_default
+          key.column_net: COL1
+          key.led_next_key: function_f1
+          # Esc is the first key in the RGB LED chain.
+          # The first LED needs to run on a lower voltage (see explanation below).
+          key.led_vcc_net: VCC_first_led
 
-        # Block of 4 keys with 6mm offset
+        # Block of 4 keys with gap
         f1:
-          key.spread: cx + 6
+          key.spread: cx + function_gap
-          key.column_net: GP7
+          key.column_net: COL2
-          key.led_previous_key: function_f2_default
+          key.led_next_key: function_f2
         f2:
-          key.column_net: GP6
+          key.column_net: COL3
-          key.led_previous_key: function_f3_default
+          key.led_next_key: function_f3
         f3:
-          key.column_net: GP5
+          key.column_net: COL4
-          key.led_previous_key: function_f4_default
+          key.led_next_key: function_f4
         f4:
-          key.column_net: GP4
+          key.column_net: COL5
-          key.led_previous_key: function_f5_default
+          key.led_next_key: function_f5
 
-        # Block of 4 keys with 6mm offset
+        # Block of 4 keys with gap
         f5:
-          key.spread: cx + 6
+          key.spread: cx + function_gap
-          key.column_net: GP3
+          key.column_net: COL6
-          key.led_previous_key: function_f6_default
+          key.led_next_key: function_f6
         f6:
-          key.column_net: GP2
+          key.column_net: COL7
-          key.led_previous_key: function_f7_default
+          key.led_next_key: function_f7
+        # Skip matrix column 8 (arrow keys)
         f7:
-          key.column_net: GP1
+          key.column_net: COL9
-          key.led_previous_key: function_f8_default
+          key.led_next_key: function_f8
         f8:
-          key.column_net: GP0
+          key.column_net: COL10
-          key.led_previous_key: status_led
+          key.led_next_key: function_f9
 
-    # Additional points for special components in the upper right corner: Status LED, reset button, rotary encoder
+        # Block of 4 keys with gap
-    special:
+        f9:
-      # Align points with the function key zone
+          key.spread: cx + function_gap
+          key.column_net: COL11
+          key.led_next_key: function_f10
+        f10:
+          key.column_net: COL12
+          key.led_next_key: function_f11
+        f11:
+          key.column_net: COL13
+          key.led_next_key: function_f12
+        f12:
+          key.column_net: COL14
+          key.led_next_key: main_twelve_numbers
+
+    # RP2040 Pico Mini controller board
+    controller:
       anchor:
-        ref: primary_ten_numbers
+        # Place in the center of the keyboard, above the arrow keys
-        shift: [ 0, cy + function_zone_offset ]
+        aggregate.parts:
+          - main_five_numbers
+          - main_six_numbers
+        shift: [ 0, 1.5 ]
 
-      # These are not actually keys
+      # This is an auxiliary point to place the controller, not an actual key
       key:
-        tags: [ no_key ]
+        tags: [ is_controller ]
+        width: 18
+        height: 36
 
-      # Define points
+    # Rotary encoder in the center of the keyboard (on top of the controller board)
-      columns:
+    rotary_center:
-        # Neopixel status LED (first in the chain, see comment in PCB footprints for details)
+      anchor:
-        status_led:
+        ref: controller
-          key:
+        rotate: -90
-            width: 3.4
+      key:
-            height: 3.0
+        tags: [ is_rotary_encoder ]
+        width: 2 * rotary_encoder_radius
+        height: 2 * rotary_encoder_radius
+        # Matrix position of the switch: between F7 and F8
+        row_net: ROW6
+        column_net: COL8
 
-        # Reset button
+    # Rotary encoder in the top right corner of the keyboard
-        reset_button:
+    rotary_top_right:
-          key:
+      anchor:
-            shift: [ -0.25cx - 1, 0 ]
+        ref: function_f12
-            width: 6.5
+        shift: [ cx + 2 + function_gap, -cy/8 ]
-            height: 6.5
+      key:
-
+        tags: [ is_rotary_encoder ]
-        # Rotary encoder in the upper right corner
+        width: 2 * rotary_encoder_radius
-        rotary:
+        height: 2 * rotary_encoder_radius
-          key:
+        # Matrix position of the switch: Function row, right of F12
-            row_net: GP12
+        row_net: ROW6
-            column_net: GP22
+        column_net: COL15
-            shift: [ -0.25cx, 0 ]
-            width: 20.5
-            height: 20.5
-            tags: [ is_rotary_encoder ]
 
 # Generate outlines that can be used in the PCB and for 3D models
 outlines:
   # Outline of the key caps
   keys:
+    # 1u keys
     - what: rectangle
-      where: is_key
+      operation: stack
+      where: [ [ is_key, -1_5u ] ]
       size: [ kcx, kcy ]
+    # 1.5u keys
+    - what: rectangle
+      operation: stack
+      where: [ [ is_key, 1_5u ] ]
+      size: [ 1.5kcx, kcy ]
 
   # Rotary encoder with knob (2cm)
   rotary_encoder:
@@ -299,46 +440,77 @@ outlines:
       size: [ 14, 14 ]
     - what: circle
       operation: stack
-      radius: 10
+      radius: rotary_encoder_radius
 
   # Outline for the PCB
-  board:
+  board_outline:
     - what: polygon
       points:
-        - ref: primary_zero_numbers
+        # Top left corner
-          shift: [ -0.5cx + 1, 1.5cy + function_zone_offset + 2 ]
+        - ref: &corner_top_left_anchor
-        - ref: primary_twelve_numbers
+            - ref: main_left_numbers
-          shift: [ 0.5cx - 1, 1.5cy + function_zone_offset + 2]
+              affect: x
-        - ref: primary_twelve_mods
+            - ref: function_f1
-          shift: [ 0.5cx - 1, -0.5cy + 2 ]
+              affect: y
-        - ref: mirror_thumb_four
+            - shift: [ -0.5kcx, 0.5kcy ]
-          shift: [ 0.5cx, -0.5cy + 2 ]
+          # Extend all corners 4mm to the sides to get a 4mm border
-        - ref: thumb_four
+          shift: [ -4, 4 ]
-          shift: [ 0.5cx, -0.5cy + 2 ]
+
-        - ref: primary_zero_mods
+        # Top right corner
-          shift: [ -0.5cx + 1, -0.5cy + 2 ]
+        - ref: &corner_top_right_anchor
-      expand: 4
+            - ref: main_twelve_numbers
+              affect: x
+            - ref: function_f12
+              affect: y
+            - shift: [ 0.5kcx, 0.5kcy ]
+          shift: [ 4, 4 ]
+
+        # Bottom right corner
+        - ref:
+            - ref: main_twelve_mods
+              shift: [ 0.5kcx, -0.5kcy ]
+          shift: [ 4, -4 ]
+
+        # Bottom center-right corner (below thumb keys)
+        - ref:
+            - ref: mirror_thumb_four
+              shift: [ 0.5kcx, -0.5kcy ]
+              # Discard the rotation, so the next shift moves the corner straight down
+              affect: xy
+          shift: [ 0, -4 ]
+
+        # Bottom center-left corner (below thumb keys)
+        - ref:
+            - ref: thumb_four
+              shift: [ 0.5kcx, -0.5kcy ]
+              # Discard the rotation, so the next shift moves the corner straight down
+              affect: xy
+          shift: [ 0, -4 ]
+
+        # Bottom left corner
+        - ref:
+            - ref: main_left_mods
+              shift: [ -0.5kcx, -0.5kcy ]
+          shift: [ -4, -4 ]
+
+      # Round off the corners with an 8mm radius fillet.
+      # NOTE: To get a smoother arc on the bottom of the board, do some post-processing in KiCad:
+      # 1. Remove the bottom center line and the two small fillet arcs next to it.
+      # 2. Select the two remaining bottom lines. Right click them and use "Shape Modification -> Extend Lines to Meet".
+      # 3. Right click the two angled lines again. Use "Shape Modification -> Fillet Lines..." with a 200mm radius.
+      fillet: 8
 
   # Preview version of board with key caps and components for visualization
   board_preview:
-    - board
+    - board_outline
     - ^keys
-    # RP2040 controller board
+
+    # RP2040 Pico Mini controller board
     - what: rectangle
       operation: stack
-      where: primary_eleven_numbers
+      where: is_controller
-      size: [ 54, 20 ]
+      size: [ 18, 36 ]
-      adjust.shift: [ 0, cy + function_zone_offset ]
+
-    # Status LED
-    - what: rectangle
-      operation: stack
-      where: special_status_led
-      size: [ 3.4, 3.0 ]
-    # Reset button
-    - what: rectangle
-      operation: stack
-      where: special_reset_button
-      size: [ 6.5, 6.5 ]
     # Rotary encoder
     - what: outline
       name: rotary_encoder
@@ -348,12 +520,12 @@ outlines:
   # Cutouts for the switches
   switch_cutouts:
     - what: rectangle
-      where: true
+      where: is_key
       size: 14
 
   # Board outline with switch cutouts
   switch_plate:
-    - board
+    - board_outline
     - -switch_cutouts
 
 # Generate the PCB
@@ -362,20 +534,48 @@ pcbs:
     # Define outline (edges) of the board based on the outlines defined above
     outlines:
       main:
-        outline: board
+        outline: board_outline
 
     # Define PCB components
     footprints:
       controller:
-        what: rp2040_purple
+        what: rp2040_pico_mini
-        where:
+        where: is_controller
-          ref: primary_eleven_numbers
-          shift: [ 0, cy + function_zone_offset ]
-          rotate: 90
         params:
+          # Mount the controller board on the backside of the PCB
           orientation: down
-          # Use VBUS (5V from USB) as VCC net
+          # Use 5V from USB as VCC net
-          VBUS: VCC
+          5V: VCC
+          # RGB LEDs: The chain starts with the Esc key
+          GP29: led_din_function_esc
+          # Matrix columns
+          GP27: COL1
+          GP26: COL2
+          GP25: COL3
+          GP23: COL4
+          GP22: COL5
+          GP21: COL6
+          GP20: COL7
+          GP17: COL8  # Center column (arrow keys)
+          GP12: COL9
+          GP11: COL10
+          GP10: COL11
+          GP9: COL12
+          GP8: COL13
+          GP7: COL14
+          GP6: COL15
+          # Matrix rows
+          GP13: ROW1
+          GP14: ROW2
+          GP19: ROW3
+          GP18: ROW4
+          GP15: ROW5
+          GP28: ROW6
+          # Rotary encoders
+          GP0: rotary_top_right_a
+          GP1: rotary_top_right_b
+          GP3: rotary_center_a
+          GP2: rotary_center_b
 
       choc_hotswap:
         what: choc_pretty
@@ -385,33 +585,33 @@ pcbs:
         params:
           keycaps: true
           hotswap: true
-          from: "{{colrow}}"
+          from: "diode_{{name}}"
           to: "{{column_net}}"
 
-      diode:
+      key_diode:
         what: diode_smd
         where: is_key
         adjust:
-          shift: [ 7, -7.5 ]
+          shift: [ 7, -7 ]
           rotate: 90
           resist: true
         params:
           side: B
-          from: "{{colrow}}"
+          from: "diode_{{name}}"
           to: "{{row_net}}"
 
       rotary_encoder:
-        what: rotary_modified
+        what: rotary_encoder_ec12
         where: is_rotary_encoder
         params:
-          from: "{{colrow}}"
+          from: "diode_{{name}}"
           to: "{{column_net}}"
-          A: GP10
+          A: "{{name}}_a"
-          B: GP11
+          B: "{{name}}_b"
           C: GND
 
-      diode_rotary_encoder:
+      rotary_encoder_diode:
-        $extends: pcbs.eepyboard.footprints.diode
+        $extends: pcbs.eepyboard.footprints.key_diode
         where: is_rotary_encoder
         adjust:
           shift: [ 0, 0 ]
@@ -426,24 +626,25 @@ pcbs:
           shift: [ 0, 4.7 ]
         params:
           side: B
-          din: "led_dout_{{led_previous_key}}"
+          din: "led_din_{{name}}"
-          dout: "led_dout_{{zone.name}}_{{colrow}}"
+          dout: "led_din_{{led_next_key}}"
+          VCC: "{{led_vcc_net}}"
 
       led_capacitor:
-        what: cap_0805
+        what: capacitor_smd_1206
         where: [ [ is_key, -flip_led ] ]
         adjust:
-          shift: [ -6, 4.5 ]
+          shift: [ -6.5, 4.75 ]
           rotate: 90
           resist: true
         params:
           side: B
-          from: VCC
+          from: "{{led_vcc_net}}"
           to: GND
 
       led_chip_flipped:
         $extends: pcbs.eepyboard.footprints.led_chip
-        # Place flipped (rotated by 180°) LEDs in all rows *with* the flip_led tag
+        # Place flipped (rotated by 180°) LEDs in all rows with the flip_led tag
         where: [ [ is_key, flip_led ] ]
         adjust.rotate: 180
 
@@ -451,97 +652,86 @@ pcbs:
         $extends: pcbs.eepyboard.footprints.led_capacitor
         where: [ [ is_key, flip_led ] ]
         adjust:
-          shift: [ 6, 4.9 ]
+          shift: [ 6.5, 4.75 ]
           rotate: 270
           resist: true
 
-      # Additional first LED (not bound to a key) that serves as a status LED.
+      # The first SK6812 chip in the chain has to run on a reduced voltage to serve as a makeshift level converter for
-      # Additionally, it runs on a reduced voltage to serve as a level converter for the next LED: The RP2040 runs on
+      # all following RGB LEDs.
-      # 3.3V, but the SK6812 runs on 5V and requires at least 3.5V (5V * 0.7) for the control signal. By reducing the
+      # This is needed because the RP2040 runs on 3.3V, but the SK6812 runs on 5V and requires at least 3.5V (5V * 0.7)
-      # power voltage with a diode, the threshold is reduced as well, so that the signal of the RP2040 is strong enough.
+      # for the control signal. By reducing the power voltage with a diode, the threshold is reduced as well, so that
-      status_led_chip:
+      # the signal of the RP2040 is strong enough.
-        what: sk6812_mini_e
+      first_led_voltage_diode:
-        where: special_status_led
-        params:
-          side: B
-          VCC: VCC_status_led
-          din: GP9
-          dout: led_dout_status_led
-
-      status_led_capacitor:
-        what: cap_0805
-        where: special_status_led
-        adjust:
-          shift: [ -6, -0.2 ]
-          rotate: 90
-        params:
-          side: B
-          from: VCC_status_led
-          to: GND
-
-      # Diode to reduce the voltage of the first LED chip by ~0.7V
-      status_led_diode:
         what: diode_smd
-        where: special_status_led
+        where: function_esc
         adjust:
-          shift: [ 0, 3.5 ]
+          shift: [ 10, 1.5]
-          rotate: 0
+          rotate: -90
         params:
           side: B
           from: VCC
-          to: VCC_status_led
+          to: VCC_first_led
 
-      reset_button:
+      # Mounting holes: Top left and right corners
-        what: button_6x6
-        where: special_reset_button
-        params:
-          from: GND
-          to: RUN
-
-      # Mounting holes
       mounting_hole_top_left:
         what: mountinghole_m2
         where:
-          ref: function_esc
+          ref: *corner_top_left_anchor
-          shift: [ -9, 11.5 ]
+          shift: [ 2, -2 ]
-
-      mounting_hole_top_center:
-        what: mountinghole_m2
-        where:
-          ref: function_f4
-          shift: [ 12.5, 0 ]
 
       mounting_hole_top_right:
         what: mountinghole_m2
         where:
-          ref: primary_twelve_numbers
+          ref: *corner_top_right_anchor
-          shift: [ 9, cy + function_zone_offset + 11.5 ]
+          shift: [ -2, -2 ]
 
+      # Mounting holes: Top center, left and right of the controller
+      mounting_hole_controller_left:
+        what: mountinghole_m2
+        where:
+          ref: main_five_numbers
+          shift: [ 0, 12 ]
+
+      mounting_hole_controller_right:
+        what: mountinghole_m2
+        where:
+          ref: main_six_numbers
+          shift: [ 0, 12 ]
+
+      # Mounting holes: Bottom center, under columns five/six (but above the thumb keys)
+      mounting_hole_bottom_center_left:
+        what: mountinghole_m2
+        where:
+          ref: main_five_bottom
+          shift: [ 0, -13 ]
+
+      mounting_hole_bottom_center_right:
+        what: mountinghole_m2
+        where:
+          ref: main_six_bottom
+          shift: [ 0, -13 ]
+
+      # Mounting holes: Bottom left and right corners, under the second key columns
       mounting_hole_bottom_left:
         what: mountinghole_m2
         where:
-          ref: primary_one_mods
+          ref: main_zero_mods
-          shift: [ 10.5, -12 ]
+          shift: [ 0, -13.5 ]
-
-      mounting_hole_bottom_center:
-        what: mountinghole_m2
-        where:
-          ref: primary_six_bottom
-          shift: [ 0, -23 ]
 
       mounting_hole_bottom_right:
         what: mountinghole_m2
         where:
-          ref: primary_eleven_mods
+          ref: main_eleven_mods
-          shift: [ -10.5, -12 ]
+          shift: [ 0, -13.5 ]
 
       # Render text with project name and copyright onto the PCB
       copyright_text:
         what: text
         where:
-          ref: primary_six_bottom
+          ref: thumb_one
-          shift: [ 0, -15 ]
+          shift: [ 0, -16.5 ]
+          rotate: -0.3  # total rotation: -6.3 (including key rotation)
         params:
           text: |-
-            eepyBoard v1.0 by binaryDiv
+            eepyBoard v1.1 by binaryDiv
             (c) 2024 (MIT License)

ergogen/footprints/button_6x6.js

@@ -1,48 +0,0 @@
-// Tactile button 6x6mm
-// Source: https://kicad.github.io/footprints/Button_Switch_SMD
-module.exports = {
-    params: {
-        designator: 'B',
-        side: 'F',
-        from: undefined,
-        to: undefined
-    },
-    body: p => `
-    (module SW_Push_1P1T_NO_6x6mm_H9.5mm (layer F.Cu) (tedit 5CA1CA7F)
-        (descr "tactile push button, 6x6mm e.g. PTS645xx series, height=9.5mm")
-        (tags "tact sw push 6mm smd")
-        (attr smd)
-
-        ${p.at /* parametric position */}
-
-        ${'' /* footprint reference */}
-        (fp_text reference "${p.ref}" (at 0 -4.05) (layer F.SilkS) ${p.ref_hide} (effects (font (size 1 1) (thickness 0.15))))
-        (fp_text value "" (at 0 4.15) (layer F.SilkS) hide (effects (font (size 1 1) (thickness 0.15))))
-
-        ${'' /* outline */}
-        (fp_line (start -3    -3   ) (end -3     3   ) (layer ${p.side}.Fab)   (width 0.1))
-        (fp_line (start -3     3   ) (end  3     3   ) (layer ${p.side}.Fab)   (width 0.1))
-        (fp_line (start  3     3   ) (end  3    -3   ) (layer ${p.side}.Fab)   (width 0.1))
-        (fp_line (start  3    -3   ) (end -3    -3   ) (layer ${p.side}.Fab)   (width 0.1))
-        (fp_line (start  5     3.25) (end  5    -3.25) (layer ${p.side}.CrtYd) (width 0.05))
-        (fp_line (start -5    -3.25) (end -5     3.25) (layer ${p.side}.CrtYd) (width 0.05))
-        (fp_line (start -5     3.25) (end  5     3.25) (layer ${p.side}.CrtYd) (width 0.05))
-        (fp_line (start -5    -3.25) (end  5    -3.25) (layer ${p.side}.CrtYd) (width 0.05))
-        (fp_line (start  3.23 -3.23) (end  3.23 -3.2 ) (layer ${p.side}.SilkS) (width 0.12))
-        (fp_line (start  3.23  3.23) (end  3.23  3.2 ) (layer ${p.side}.SilkS) (width 0.12))
-        (fp_line (start -3.23  3.23) (end -3.23  3.2 ) (layer ${p.side}.SilkS) (width 0.12))
-        (fp_line (start -3.23 -3.2 ) (end -3.23 -3.23) (layer ${p.side}.SilkS) (width 0.12))
-        (fp_line (start  3.23 -1.3 ) (end  3.23  1.3 ) (layer ${p.side}.SilkS) (width 0.12))
-        (fp_line (start -3.23 -3.23) (end  3.23 -3.23) (layer ${p.side}.SilkS) (width 0.12))
-        (fp_line (start -3.23 -1.3 ) (end -3.23  1.3 ) (layer ${p.side}.SilkS) (width 0.12))
-        (fp_line (start -3.23  3.23) (end  3.23  3.23) (layer ${p.side}.SilkS) (width 0.12))
-        (fp_circle (center 0 0)      (end 1.75 -0.05)  (layer ${p.side}.Fab)   (width 0.1))
-
-        ${'' /* pins */}
-        (pad 1 smd rect (at -3.975 -2.25 ${p.r}) (size 1.55 1.3) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.from})
-        (pad 1 smd rect (at  3.975 -2.25 ${p.r}) (size 1.55 1.3) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.from})
-        (pad 2 smd rect (at -3.975  2.25 ${p.r}) (size 1.55 1.3) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.to})
-        (pad 2 smd rect (at  3.975  2.25 ${p.r}) (size 1.55 1.3) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.to})
-    )
-    `
-}

ergogen/footprints/cap_0805.js

@@ -1,38 +0,0 @@
-module.exports = {
-    params: {
-        designator: 'C',
-        side: 'F',
-        from: undefined,
-        to: undefined
-    },
-    body: p => `
-        (module C_0805_2012Metric (layer ${p.side}.Cu) (tedit 5F68FEEE)
-            ${p.at /* parametric position */}
-            (attr smd)
-
-            ${'' /* footprint reference */}
-            (fp_text reference "${p.ref}" (at 0 0) (layer ${p.side}.SilkS) ${p.ref_hide} (effects (font (size 1.27 1.27) (thickness 0.15))))
-            (fp_text value "" (at 0 0) (layer ${p.side}.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
-
-            ${''/* capacitor symbols */}
-            (fp_line (start -1 0.625) (end -1 -0.625) (layer ${p.side}.Fab) (width 0.1))
-            (fp_line (start -1 -0.625) (end 1 -0.625) (layer ${p.side}.Fab) (width 0.1))
-            (fp_line (start 1 -0.625) (end 1 0.625) (layer ${p.side}.Fab) (width 0.1))
-            (fp_line (start 1 0.625) (end -1 0.625) (layer ${p.side}.Fab) (width 0.1))
-            (fp_line (start -0.261252 -0.735) (end 0.261252 -0.735) (layer ${p.side}.SilkS) (width 0.12))
-            (fp_line (start -0.261252 0.735) (end 0.261252 0.735) (layer ${p.side}.SilkS) (width 0.12))
-            (fp_line (start -1.7 0.98) (end -1.7 -0.98) (layer ${p.side}.CrtYd) (width 0.05))
-            (fp_line (start -1.7 -0.98) (end 1.7 -0.98) (layer ${p.side}.CrtYd) (width 0.05))
-            (fp_line (start 1.7 -0.98) (end 1.7 0.98) (layer ${p.side}.CrtYd) (width 0.05))
-            (fp_line (start 1.7 0.98) (end -1.7 0.98) (layer ${p.side}.CrtYd) (width 0.05))
-
-            ${''/* SMD pads */}
-            (pad 1 smd roundrect (at -0.95 0 ${p.r}) (size 1 1.45) (layers ${p.side}.Cu ${p.side}.Mask ${p.side}.Paste)
-                (roundrect_rratio 0.25) ${p.to}
-            )
-            (pad 2 smd roundrect (at 0.95 0 ${p.r}) (size 1 1.45) (layers ${p.side}.Cu ${p.side}.Mask ${p.side}.Paste)
-                (roundrect_rratio 0.25) ${p.from}
-            )
-        )
-    `
-}

ergogen/footprints/capacitor_smd_1206.js

@@ -0,0 +1,45 @@
+module.exports = {
+    params: {
+        designator: 'C',
+        side: 'F',
+        value: '100nF',
+        from: undefined,
+        to: undefined,
+    },
+    body: p => `
+        (module C_1206_3216Metric_Pad1.33x1.80mm_HandSolder (layer ${p.side}.Cu) (tedit 67059662)
+            ${p.at /* parametric position */}
+            (attr smd)
+
+            ${'' /* footprint reference */}
+            (fp_text reference "${p.ref}" (at 0 0) (layer ${p.side}.SilkS) ${p.ref_hide}
+                (effects (font (size 1.27 1.27) (thickness 0.15)))
+            )
+            (fp_text value "${p.value}" (at 0 0) (layer ${p.side}.SilkS) hide
+                (effects (font (size 1.27 1.27) (thickness 0.15)))
+            )
+
+            ${''/* capacitor symbols */}
+            (fp_line (start -1.6  0.8) (end -1.6 -0.8) (layer ${p.side}.Fab) (width 0.1))
+            (fp_line (start -1.6 -0.8) (end  1.6 -0.8) (layer ${p.side}.Fab) (width 0.1))
+            (fp_line (start  1.6 -0.8) (end  1.6  0.8) (layer ${p.side}.Fab) (width 0.1))
+            (fp_line (start  1.6  0.8) (end -1.6  0.8) (layer ${p.side}.Fab) (width 0.1))
+            (fp_line (start -0.711252 -0.91) (end 0.711252 -0.91) (layer ${p.side}.SilkS) (width 0.12))
+            (fp_line (start -0.711252  0.91) (end 0.711252  0.91) (layer ${p.side}.SilkS) (width 0.12))
+            (fp_line (start -2.48  1.15) (end -2.48 -1.15) (layer ${p.side}.CrtYd) (width 0.05))
+            (fp_line (start -2.48 -1.15) (end  2.48 -1.15) (layer ${p.side}.CrtYd) (width 0.05))
+            (fp_line (start  2.48 -1.15) (end  2.48  1.15) (layer ${p.side}.CrtYd) (width 0.05))
+            (fp_line (start  2.48  1.15) (end -2.48  1.15) (layer ${p.side}.CrtYd) (width 0.05))
+
+            ${''/* SMD pads */}
+            (pad 1 smd roundrect (at -1.5625 0 ${p.r}) (size 1.325 1.8)
+                (layers ${p.side}.Cu ${p.side}.Mask ${p.side}.Paste)
+                (roundrect_rratio 0.188679) ${p.to}
+            )
+            (pad 2 smd roundrect (at 1.5625 0 ${p.r}) (size 1.325 1.8)
+                (layers ${p.side}.Cu ${p.side}.Mask ${p.side}.Paste)
+                (roundrect_rratio 0.188679) ${p.from}
+            )
+        )
+    `
+}

ergogen/footprints/diode_smd.js

@@ -2,17 +2,18 @@ module.exports = {
     params: {
         designator: 'D',
         side: 'F',
+        value: '1N4148',
         from: undefined,
-        to: undefined
+        to: undefined,
     },
     body: p => `
-        (module SmdDiode (layer ${p.side}.Cu) (tedit 65D012FE)
+        (module SmdDiode_SOD-123 (layer ${p.side}.Cu) (tedit 6705952B)
             ${p.at /* parametric position */}
             (attr smd)
 
             ${'' /* footprint reference */}
             (fp_text reference "${p.ref}" (at 0 0) (layer ${p.side}.SilkS) ${p.ref_hide} (effects (font (size 1.27 1.27) (thickness 0.15))))
-            (fp_text value "" (at 0 0) (layer ${p.side}.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
+            (fp_text value "${p.value}" (at 0 0) (layer ${p.side}.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
 
             ${''/* diode symbols */}
             (fp_line (start 0.25 0) (end 0.75 0) (layer ${p.side}.SilkS) (width 0.1))

ergogen/footprints/rotary_encoder_ec12.js

@@ -23,8 +23,7 @@ module.exports = {
         radius: 10,
     },
     body: p => `
-        (module rotary_encoder (layer F.Cu) (tedit 603326DE)
+        (module RotaryEncoder_EC12 (layer F.Cu) (tedit 6705957B)
-
             ${p.at /* parametric position */}
 
             ${'' /* footprint reference */}

ergogen/footprints/rp2040_pico_mini.js

@@ -0,0 +1,182 @@
+// Pin header footprint for a small RP2040-based controller board from AliExpress called "Pico Mini RP2040".
+// It has a similar footprint to the Pro Micro (NOT pin-compatible though!), but has an additional row of pins
+// on the short edge of the board (basically forming a "U").
+// -------------------------------
+// Params
+//  orientation: if up (default), the controller will be on the front side of the PCB, otherwise on the back side
+
+module.exports = {
+    params: {
+        designator: 'MCU',
+        orientation: 'up',
+
+        // Left side of pins (with USB port at the top), top to bottom
+        GP0: {type: 'net', value: 'GP0'},
+        GP1: {type: 'net', value: 'GP1'},
+        GP2: {type: 'net', value: 'GP2'},
+        GP3: {type: 'net', value: 'GP3'},
+        GP4: {type: 'net', value: 'GP4'},
+        GP5: {type: 'net', value: 'GP5'},
+        GP6: {type: 'net', value: 'GP6'},
+        GP7: {type: 'net', value: 'GP7'},
+        GP8: {type: 'net', value: 'GP8'},
+        GP9: {type: 'net', value: 'GP9'},
+        GP10: {type: 'net', value: 'GP10'},
+        GP11: {type: 'net', value: 'GP11'},
+        GP12: {type: 'net', value: 'GP12'},
+        GP13: {type: 'net', value: 'GP13'},
+
+        // Bottom side of pins, left to right (i.e. between GP13 and GP19)
+        GP14: {type: 'net', value: 'GP14'},
+        GP15: {type: 'net', value: 'GP15'},
+        GP16: {type: 'net', value: 'GP16'},
+        GP17: {type: 'net', value: 'GP17'},
+        GP18: {type: 'net', value: 'GP18'},
+
+        // Right side of pins (with USB port at the top), top to bottom
+        '5V': {type: 'net', value: '5V'},  // 5V USB voltage
+        GND: {type: 'net', value: 'GND'},
+        RST: {type: 'net', value: 'RST'},  // Reset pin: Pull down to reset
+        '3V3': {type: 'net', value: '3V3'},  // 3.3V voltage used by the MCU
+        GP29: {type: 'net', value: 'GP29'},  // also: ADC4
+        GP28: {type: 'net', value: 'GP28'},  // also: ADC2
+        GP27: {type: 'net', value: 'GP27'},  // also: ADC1
+        GP26: {type: 'net', value: 'GP26'},  // also: ADC0
+        GP25: {type: 'net', value: 'GP25'},
+        GP23: {type: 'net', value: 'GP23'},
+        GP22: {type: 'net', value: 'GP22'},
+        GP21: {type: 'net', value: 'GP21'},
+        GP20: {type: 'net', value: 'GP20'},
+        GP19: {type: 'net', value: 'GP19'},
+    },
+    body: p => {
+        let sign, side, mirror;
+
+        if (p.orientation === 'down') {
+            sign = -1;
+            side = 'B';
+            mirror = 'mirror';
+        } else {
+            sign = 1;
+            side = 'F';
+            mirror = '';
+        }
+
+        const pins_left = [
+            'GP0', 'GP1', 'GP2', 'GP3', 'GP4', 'GP5', 'GP6', 'GP7', 'GP8', 'GP9', 'GP10', 'GP11', 'GP12', 'GP13',
+        ];
+        const pins_bottom = [
+            'GP14', 'GP15', 'GP16', 'GP17', 'GP18',
+        ];
+        const pins_right = [
+            '5V', 'GND', 'RST', '3V3', 'GP29', 'GP28', 'GP27', 'GP26', 'GP25', 'GP23', 'GP22', 'GP21', 'GP20', 'GP19',
+        ];
+
+        // Functions to map coordinates from a "pin grid" to actual X/Y coordinates.
+        // The grid is defined as follows (assuming the board is in "up" orientation with the USB port on top):
+        // - The X coordinates go from 0 (left) to 6 (right)
+        // - The Y coordinates go from 0 (top) to 13 (bottom)
+        // This means the pin rows are on these coordinates:
+        // - Left side of pins: 0/0 to 0/13
+        // - Right side of pins: 6/0 to 6/13
+        // - Additional pins on the bottom (not counting the left and right pins): 1/13 to 5/13
+        // These grid coordinates have to be mapped to footprint coordinates so that the board is centered, meaning
+        // the grid position 3/6.5 needs to be mapped to footprint coordinates 0/0. The grid is a standard 2.54mm grid.
+        function pin_pos_x(pin_number) {
+            // Use integers to avoid floating point issues
+            return sign * (254 * (pin_number - 3)) / 100;
+        }
+        function pin_pos_y(pin_number) {
+            // Use integers to avoid floating point issues
+            return (254 * (pin_number - 7) + 127) / 100;
+        }
+
+        function pin_label(pin_name, pos_x, pos_y, pin_side) {
+            let offset_x = 0;
+            let offset_y = 0;
+            let offset_rotation = 0;
+            let justify = 'left';
+
+            if (pin_side === 'left') {
+                offset_x = -1.3 * sign;
+                justify = 'right';
+            } else if (pin_side === 'right') {
+                offset_x = 1.3 * sign;
+            } else if (pin_side === 'bottom') {
+                offset_y = 1.7;
+                offset_rotation = -90 * sign;
+            }
+
+            // Shorten the name of the "GPxx" pins to save a bit of space on the PCB
+            if (pin_name.startsWith('GP'))  {
+                pin_name = pin_name.slice(2);
+            }
+
+            return `
+                (fp_text user ${pin_name}
+                    (at ${pin_pos_x(pos_x) + offset_x} ${pin_pos_y(pos_y) + offset_y} ${p.r + offset_rotation})
+                    (unlocked yes) (layer ${side}.SilkS)
+                    (effects (font (size 0.8 0.8) (thickness 0.15)) (justify ${justify} ${mirror}))
+                )`;
+        }
+
+        function pin_pad(pad_number, pos_x, pos_y, pin_name) {
+            return `
+                (pad ${pad_number} thru_hole circle
+                    (at ${pin_pos_x(pos_x)} ${pin_pos_y(pos_y)} 0)
+                    (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.Mask)
+                    ${p[pin_name]}
+                )`;
+        }
+
+        function render_pins() {
+            let pin_label_body = '';
+            let pin_pad_body = '';
+            let pad_number = 1;
+
+            for (let i = 0; i < pins_left.length; i++) {
+                pin_label_body += pin_label(pins_left[i], 0, i, 'left');
+                pin_pad_body += pin_pad(pad_number++, 0, i, pins_left[i]);
+            }
+            for (let i = 0; i < pins_bottom.length; i++) {
+                pin_label_body += pin_label(pins_bottom[i], 1 + i, 13, 'bottom');
+                pin_pad_body += pin_pad(pad_number++, 1 + i, 13, pins_bottom[i]);
+            }
+            for (let i = 0; i < pins_right.length; i++) {
+                pin_label_body += pin_label(pins_right[i], 6, i, 'right');
+                pin_pad_body += pin_pad(pad_number++, 6, i, pins_right[i]);
+            }
+
+            return pin_pad_body + '\n' + pin_label_body;
+        }
+
+        return `
+            (module RP2040_PICO_MINI (layer F.Cu) (tedit 66FD3C6D)
+                ${p.at /* parametric position */}
+
+                ${'' /* footprint reference */}
+                (fp_text reference "${p.ref}" (at 0 0) (layer ${side}.SilkS) ${p.ref_hide}
+                    (effects (font (size 1.27 1.27) (thickness 0.15)))
+                )
+                (fp_text value "" (at 0 0) (layer ${side}.SilkS) hide
+                    (effects (font (size 1.27 1.27) (thickness 0.15)))
+                )
+
+                ${'' /* component outline */}
+                (fp_line (start -8.8 -18.0) (end  8.8 -18.0) (layer ${side}.SilkS) (width 0.15))
+                (fp_line (start  8.8 -18.0) (end  8.8  18.0) (layer ${side}.SilkS) (width 0.15))
+                (fp_line (start  8.8  18.0) (end -8.8  18.0) (layer ${side}.SilkS) (width 0.15))
+                (fp_line (start -8.8  18.0) (end -8.8 -18.0) (layer ${side}.SilkS) (width 0.15))
+
+                ${'' /* illustration of the USB port overhang */}
+                (fp_line (start -4.3 -18.8) (end  4.3 -18.8) (layer Dwgs.User) (width 0.15))
+                (fp_line (start  4.3 -18.8) (end  4.3 -11.8) (layer Dwgs.User) (width 0.15))
+                (fp_line (start  4.3 -11.8) (end -4.3 -11.8) (layer Dwgs.User) (width 0.15))
+                (fp_line (start -4.3 -11.8) (end -4.3 -18.8) (layer Dwgs.User) (width 0.15))
+
+                ${'' /* pin labels and pads */}
+                ${render_pins()}
+            )
+        `;
+    }
+}

ergogen/footprints/rp2040_purple.js

@@ -1,140 +0,0 @@
-// Pin header footprint for a RP2040-based controller board from AliExpress.
-// Doesn't really have a name, it's just "the purple one with USB-C".
-// The pinout differs from the Raspberry Pi Pico!
-// -------------------------------
-// Params
-//  orientation: if up (default), the controller will be on the front side of the PCB, otherwise on the back side
-
-module.exports = {
-    params: {
-        designator: 'MCU',
-        orientation: 'up',
-
-        // Right side of pins (with USB port at the top), top to bottom
-        VBUS: {type: 'net', value: 'VBUS'},
-        VIN: {type: 'net', value: 'VIN'},
-        GND: {type: 'net', value: 'GND'},
-        '3V3_EN': {type: 'net', value: '3V3_EN'},
-        '3V3': {type: 'net', value: '3V3'},
-        // (GND pin)
-        RUN: {type: 'net', value: 'RUN'},  // Reset pin: Pull down to reset
-        GP29: {type: 'net', value: 'GP29'},  // also: ADC3
-        GP28: {type: 'net', value: 'GP28'},  // also: ADC2
-        GP27: {type: 'net', value: 'GP27'},  // also: ADC1
-        GP26: {type: 'net', value: 'GP26'},  // also: ADC0
-        AGND: {type: 'net', value: 'AGND'},
-        GP25: {type: 'net', value: 'GP25'},
-        GP24: {type: 'net', value: 'GP24'},
-        GP23: {type: 'net', value: 'GP23'},
-        GP22: {type: 'net', value: 'GP22'},
-        GP21: {type: 'net', value: 'GP21'},
-        GP20: {type: 'net', value: 'GP20'},
-        GP19: {type: 'net', value: 'GP19'},
-        GP18: {type: 'net', value: 'GP18'},
-
-        // Left side of pins (with USB port at the top), top to bottom
-        GP0: {type: 'net', value: 'GP0'},
-        GP1: {type: 'net', value: 'GP1'},
-        GP2: {type: 'net', value: 'GP2'},
-        GP3: {type: 'net', value: 'GP3'},
-        GP4: {type: 'net', value: 'GP4'},
-        // (GND pin)
-        GP5: {type: 'net', value: 'GP5'},
-        GP6: {type: 'net', value: 'GP6'},
-        GP7: {type: 'net', value: 'GP7'},
-        GP8: {type: 'net', value: 'GP8'},
-        GP9: {type: 'net', value: 'GP9'},
-        GP10: {type: 'net', value: 'GP10'},
-        GP11: {type: 'net', value: 'GP11'},
-        GP12: {type: 'net', value: 'GP12'},
-        // (GND pin)
-        GP13: {type: 'net', value: 'GP13'},
-        GP14: {type: 'net', value: 'GP14'},
-        GP15: {type: 'net', value: 'GP15'},
-        GP16: {type: 'net', value: 'GP16'},
-        GP17: {type: 'net', value: 'GP17'},
-    },
-    body: p => {
-        let def_neg, def_pos, side, mirror;
-        if (p.orientation === 'down') {
-            def_neg = '';
-            def_pos = '-';
-            side = 'B';
-            mirror = 'mirror';
-        } else {
-            def_neg = '-';
-            def_pos = '';
-            side = 'F';
-            mirror = '';
-        }
-
-        const PINS_PER_SIDE = 20;
-        const PINS_PER_SIDE_HALF = 10;
-
-        const pins_left = [
-            'GP0', 'GP1', 'GP2', 'GP3', 'GP4', 'GND', 'GP5', 'GP6', 'GP7', 'GP8',
-            'GP9', 'GP10', 'GP11', 'GP12', 'GND', 'GP13', 'GP14', 'GP15', 'GP16', 'GP17',
-        ];
-        const pins_right = [
-            'VBUS', 'VIN', 'GND', '3V3_EN', '3V3', 'GND', 'RUN', 'GP29', 'GP28', 'GP27',
-            'GP26', 'AGND', 'GP25', 'GP24', 'GP23', 'GP22', 'GP21', 'GP20', 'GP19', 'GP18',
-        ];
-
-        function pin_pos_y(pin_number) {
-            // Fucking floating points...
-            return (254 * (pin_number - PINS_PER_SIDE_HALF) + 127) / 100;
-        }
-
-        function pin_labels(pin_names, right_side) {
-            const sign = right_side ? def_pos : def_neg;
-            const justify = right_side ? 'right' : 'left';
-            let pin_label_body = '';
-
-            for (let i = 0; i < PINS_PER_SIDE; i++) {
-                pin_label_body += `
-                    (fp_text user ${pin_names[i]} (at ${sign}7.62 ${pin_pos_y(i)} ${p.r}) (unlocked yes) (layer ${side}.SilkS)
-                        (effects (font (size 0.8 0.8) (thickness 0.15)) (justify ${justify} ${mirror}))
-                    )`;
-            }
-            return pin_label_body;
-        }
-
-        function pin_pads(pin_names, right_side) {
-            const sign = right_side ? def_pos : def_neg;
-            const offset = right_side ? 21 : 1;
-            let pin_pad_body = '';
-
-            for (let i = 0; i < PINS_PER_SIDE; i++) {
-                pin_pad_body += `
-                    (pad ${i + offset} thru_hole circle (at ${sign}8.89 ${pin_pos_y(i)} 0)
-                        (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.Mask) ${p[pin_names[i]]}
-                    )`;
-            }
-            return pin_pad_body;
-        }
-
-        return `
-            (module RP2040_USB_C_Purple (layer F.Cu) (tedit 66A6C4CD)
-                ${p.at /* parametric position */}
-
-                ${'' /* footprint reference */}
-                (fp_text reference "${p.ref}" (at 0 0) (layer ${side}.SilkS) ${p.ref_hide} (effects (font (size 1.27 1.27) (thickness 0.15))))
-                (fp_text value "" (at 0 0) (layer ${side}.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
-
-                ${'' /* component outline */}
-                (fp_line (start -10.16 -28.6) (end  10.16 -28.6) (layer ${side}.SilkS) (width 0.15))
-                (fp_line (start  10.16 -28.6) (end  10.16  25.4) (layer ${side}.SilkS) (width 0.15))
-                (fp_line (start  10.16  25.4) (end -10.16  25.4) (layer ${side}.SilkS) (width 0.15))
-                (fp_line (start -10.16  25.4) (end -10.16 -28.6) (layer ${side}.SilkS) (width 0.15))
-
-                ${'' /* pin labels */}
-                ${pin_labels(pins_left, false)}
-                ${pin_labels(pins_right, true)}
-
-                ${'' /* pin pads */}
-                ${pin_pads(pins_left, false)}
-                ${pin_pads(pins_right, true)}
-            )
-        `;
-    }
-}

ergogen/footprints/sk6812_mini_e.js

@@ -31,19 +31,19 @@ module.exports = {
             (fp_line (start -1.7 1.5) (end -1.7 -1.5) (layer Edge.Cuts) (width 0.12))
             (fp_line (start -1.7 -1.5) (end 1.7 -1.5) (layer Edge.Cuts) (width 0.12))
 
-            (pad "1" smd rect (at -2.6 -0.75 ${p.r}) (size 1.6 0.82)
+            (pad "1" smd rect (at -2.7 -0.75 ${p.r}) (size 1.8 0.82)
                 (layers "${p.side}.Cu" "${p.side}.Paste" "${p.side}.Mask")
                 ${p.VCC}
             )
-            (pad "2" smd rect (at -2.6 0.75 ${p.r}) (size 1.6 0.82)
+            (pad "2" smd rect (at -2.7 0.75 ${p.r}) (size 1.8 0.82)
                 (layers "${p.side}.Cu" "${p.side}.Paste" "${p.side}.Mask")
                 ${p.dout}
             )
-            (pad "4" smd rect (at 2.6 -0.75 ${p.r}) (size 1.6 0.82)
+            (pad "4" smd rect (at 2.7 -0.75 ${p.r}) (size 1.8 0.82)
                 (layers "${p.side}.Cu" "${p.side}.Paste" "${p.side}.Mask")
                 ${p.din}
             )
-            (pad "3" smd roundrect (at 2.6 0.75 ${p.r}) (size 1.6 0.82)
+            (pad "3" smd roundrect (at 2.7 0.75 ${p.r}) (size 1.8 0.82)
                 (layers "${p.side}.Cu" "${p.side}.Paste" "${p.side}.Mask")
                 (roundrect_rratio 0.25)
                 ${p.GND}

kicad/rev2/gerber/eepyboard_rev2-Edge_Cuts.gbr

@@ -0,0 +1,850 @@
+%TF.GenerationSoftware,KiCad,Pcbnew,8.0.5*%
+%TF.CreationDate,2024-10-10T16:29:35+02:00*%
+%TF.ProjectId,eepyboard_rev2,65657079-626f-4617-9264-5f726576322e,1.1*%
+%TF.SameCoordinates,Original*%
+%TF.FileFunction,Profile,NP*%
+%FSLAX46Y46*%
+G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
+G04 Created by KiCad (PCBNEW 8.0.5) date 2024-10-10 16:29:35*
+%MOMM*%
+%LPD*%
+G01*
+G04 APERTURE LIST*
+%TA.AperFunction,Profile*%
+%ADD10C,0.150000*%
+%TD*%
+%TA.AperFunction,Profile*%
+%ADD11C,0.120000*%
+%TD*%
+G04 APERTURE END LIST*
+D10*
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+G01*
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+D11*
+%TO.C,LED3*%
+X73247814Y-100148301D02*
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kicad/rev2/gerber/eepyboard_rev2-job.gbrjob

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+{
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+  },
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+      "Name": "In2.Cu/B.Cu",
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+}