flux

#Goal

Design a Pico Macro Keyboard PCB on a 100 mm × 100 mm rounded-rectangle 4-layer board that features a top side dedicated to user-facing controls (mechanical switches in a well-aligned macro-keypad grid with paired RGB LEDs and rotary encoders placed ergonomically) and a bottom side optimized for the Raspberry Pi Pico/MCU module along with its grouped supporting electronics (decoupling, crystal, power, etc.). Mounting holes will be near the board corners, with routing channels preserved and controlled, ensuring minimal routing lengths from the MCU to the top controls.

#Implementation plan

1. **Setup Board and Stackup**

1. Configure the board as a 100 mm × 100 mm rounded rectangle with a standard 4-layer stackup.

2. Define clear rounded corners and place mounting holes near these corners.

2. **Place Top-Side User Controls**

1. Fresh-place the mechanical switches in a regular aligned macro-keypad grid.

2. Position the RGB LEDs adjacent to or paired with each switch without crowding the layout.

3. Place rotary encoders/user controls in an ergonomic location next to the key grid.

4. Ensure clearances are maintained to keep the user-facing side clean.

3. **Place Bottom-Side Supporting Electronics**

1. Fresh-place the Raspberry Pi Pico/MCU module and group supporting electronics by function (e.g., decoupling capacitors, crystal/oscillator, power support parts, etc.).

2. Ensure decoupling, crystal, and power support parts are placed as close as possible to their associated pins/ICs on the Pico module.

4. **Optimize Routing and Design Rules**

1. Minimize the routing distance between the bottom MCU area and the top controls, preserving clear routing channels.

2. Use both layers intentionally for routing and resolve any overlaps or off-board issues during placement.

3. Run the Design Rule Check (DRC) to review and report any remaining overlap, off-board, or layer-assignment issues.

#Success criteria

- The board is configured as a 100 mm × 100 mm rounded rectangle with a correct 4-layer stackup and mounting holes near the corners.

- Top-side user controls (switches, RGB LEDs, and rotary encoders) are placed neatly in an aligned grid with ergonomic spacing.

- The bottom-side Pico module and its supporting electronics are grouped by function with minimal routing distance and proper decoupling.

- DRC checks pass with minimal reported issues and no off-board component placements.

Removed Logo1

⚠️ Removed components had their net connections destroyed. Use the `@schematic` tool (with `includeNets`) to verify connectivity and re-wire any lost connections.

Set Layout's sizeX to "100mm"

Set Layout's sizeY to "100mm"

Set Layout's boardShape to "rectangle"

Set Layout's cornerRadius to "7mm"

Set Layout's stackup to "Standard 4 Layer"

Set Layout's boardInsetMargin to "1mm"

Set Layout's keepOut to "1mm"