Refine repository structure for KiCad 9 optimization

- Add dedicated /kicad/ directory with organized subdirectories for libraries, schematics, gerbers, plots, and backups
- Create comprehensive KiCad 9 library structure (symbols, footprints, 3D models)
- Add manufacturing-ready directories for production files (gerbers, drill, pick-and-place)
- Update all README files with KiCad-specific documentation and workflows
- Add KiCad-optimized .gitignore file for proper version control
- Create KICAD-PROJECT-TEMPLATE.md comprehensive usage guide
- Add hardware assembly documentation and BOM management
- Include detailed manufacturing file generation instructions
- Add docs structure with design-notes and user-manual directories
- Provide complete workflow from design to manufacturing with quality checklists
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# /docs
Documentation files for users and developers.
Project documentation for your KiCad project.
## Purpose
This directory contains all project documentation including user manuals, design notes, images, and reference materials.
## Directory Structure
- `images/` - Documentation images, photos, and diagrams
- `datasheets/` - Component datasheets and specifications
- `user-manual/` - End-user documentation and guides
- `design-notes/` - Design decisions and technical documentation
## Documentation Types
- **User Manual**: How to use the finished product
- **Design Notes**: Technical decisions and rationale
- **Assembly Guide**: How to build the project
- **Testing Procedures**: Verification and validation
- **Troubleshooting**: Common issues and solutions
## Best Practices
- Use clear, descriptive filenames
- Include version information in documents
- Keep images organized and properly referenced
- Document design decisions and trade-offs
- Update documentation with design changes
- Use consistent formatting and style
## File Formats
- **Markdown (`.md`)**: Preferred for text documentation
- **PDF (`.pdf`)**: For formal documents and printable guides
- **Images**: PNG for diagrams, JPG for photos
- **Datasheets**: PDF format from manufacturers

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# /docs/design-notes
Design decisions and technical documentation for your KiCad project.
## Purpose
This directory contains technical documentation that explains the design decisions, trade-offs, and engineering rationale behind your KiCad project.
## Document Types
- **Design Requirements**: Project specifications and constraints
- **Architecture Overview**: High-level system design
- **Circuit Analysis**: Detailed circuit explanations
- **Component Selection**: Why specific components were chosen
- **Design Trade-offs**: Alternative approaches considered
- **Simulation Results**: SPICE analysis and verification
- **Design Reviews**: Peer review notes and feedback
## Recommended Files
```
design-notes/
├── requirements.md # Project requirements and specifications
├── architecture.md # System architecture overview
├── power-design.md # Power supply design notes
├── signal-integrity.md # High-speed design considerations
├── component-selection.md # Component choice rationale
├── thermal-analysis.md # Thermal design considerations
├── emc-considerations.md # EMC/EMI design notes
├── design-reviews/ # Review meeting notes
│ ├── review-001-schematic.md
│ ├── review-002-layout.md
│ └── review-003-final.md
└── simulations/ # Simulation results and analysis
├── power-analysis.md
├── signal-timing.md
└── thermal-simulation.md
```
## Design Requirements Template
Document your project requirements:
- **Functional Requirements**: What the system must do
- **Performance Requirements**: Speed, accuracy, efficiency
- **Environmental Requirements**: Temperature, humidity, vibration
- **Regulatory Requirements**: Safety, EMC, certifications
- **Cost Constraints**: Target BOM cost and volumes
- **Size Constraints**: Physical dimensions and weight
- **Interface Requirements**: Connectors, protocols, voltages
## Architecture Documentation
Describe your system architecture:
- **Block Diagram**: High-level system overview
- **Signal Flow**: How data/signals move through system
- **Power Distribution**: Power supply architecture
- **Interface Definitions**: External connections
- **Key Components**: Major ICs and their roles
- **Design Partitioning**: How functionality is divided
## Component Selection Notes
Document why components were chosen:
- **Requirements**: What the component needs to do
- **Alternatives Considered**: Other options evaluated
- **Selection Criteria**: Performance, cost, availability
- **Trade-offs**: Compromises made
- **Supplier Information**: Primary and alternate sources
- **Lifecycle Considerations**: Obsolescence risk
## Design Review Process
Document design reviews:
- **Review Objectives**: What was being reviewed
- **Participants**: Who attended the review
- **Findings**: Issues and concerns identified
- **Action Items**: Required changes and improvements
- **Sign-off**: Approval status and next steps
## Simulation and Analysis
Document analysis work:
- **Simulation Setup**: Tools and models used
- **Test Conditions**: Operating conditions simulated
- **Results**: Key findings and measurements
- **Interpretation**: What the results mean
- **Design Impact**: How results influenced design
- **Verification**: How simulation was validated
## Best Practices
- Write for future maintainers (including yourself)
- Include diagrams and schematics where helpful
- Reference specific component datasheets
- Document assumptions and limitations
- Update notes when design changes
- Use consistent formatting and terminology
- Include revision history for major changes

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# /docs/user-manual
End-user documentation and guides for your KiCad project.
## Purpose
This directory contains documentation for the end users of your finished product, including operation manuals, setup guides, and troubleshooting information.
## Document Types
- **User Manual**: Complete operating instructions
- **Quick Start Guide**: Getting started quickly
- **Installation Guide**: Setup and installation procedures
- **Troubleshooting Guide**: Common problems and solutions
- **Safety Information**: Important safety warnings
- **Specifications**: Technical specifications for users
- **FAQ**: Frequently asked questions
## Recommended Files
```
user-manual/
├── user-manual.md # Complete user manual
├── quick-start.md # Quick start guide
├── installation.md # Installation instructions
├── operation.md # Operating procedures
├── troubleshooting.md # Problem solving guide
├── specifications.md # Technical specifications
├── safety.md # Safety information
├── faq.md # Frequently asked questions
├── warranty.md # Warranty information
└── images/ # User manual images
├── setup-diagram.png
├── connection-diagram.png
├── led-indicators.jpg
└── troubleshooting-flowchart.png
```
## User Manual Structure
### Suggested Sections
1. **Introduction**
- Product overview
- Key features
- What's included in the box
2. **Safety Information**
- Important warnings
- Precautions
- Regulatory compliance
3. **Installation/Setup**
- Unpacking instructions
- Connection procedures
- Initial configuration
4. **Operation**
- Basic operation
- Advanced features
- User interface guide
5. **Troubleshooting**
- Common problems
- Error codes/indicators
- Solutions and fixes
6. **Specifications**
- Technical specifications
- Environmental conditions
- Compliance information
7. **Maintenance**
- Routine maintenance
- Cleaning procedures
- Storage recommendations
8. **Support**
- Contact information
- Warranty details
- Additional resources
## Quick Start Guide
Create a concise guide for immediate use:
- **Unboxing**: What's in the package
- **Connections**: Essential connections only
- **Power On**: First power-up procedure
- **Basic Test**: Simple functionality test
- **Next Steps**: Reference to full manual
## Installation Guide
Detailed setup instructions:
- **Prerequisites**: Required tools and materials
- **Environment**: Installation environment requirements
- **Step-by-Step**: Detailed installation procedure
- **Verification**: How to verify correct installation
- **Configuration**: Initial setup and configuration
## Troubleshooting Guide
Help users solve problems:
- **Symptom-Based**: Organize by what user observes
- **LED Indicators**: What different lights mean
- **Error Codes**: Explanation of error messages
- **Common Issues**: Most frequent problems
- **Advanced Diagnostics**: For technical users
- **When to Contact Support**: Escalation criteria
## Safety Information
Critical safety content:
- **Warnings**: Serious hazards that could cause injury
- **Cautions**: Situations that could damage equipment
- **Notes**: Important information for proper operation
- **Regulatory**: Compliance statements and certifications
- **Disposal**: Proper disposal and recycling information
## Writing Guidelines
- **User-Focused**: Write from user's perspective
- **Clear Language**: Avoid technical jargon
- **Step-by-Step**: Break complex procedures into steps
- **Visual Aids**: Include diagrams and photos
- **Consistent Terminology**: Use same terms throughout
- **Test Instructions**: Verify all procedures work
- **Version Control**: Keep documentation current with product
## Images and Diagrams
Include helpful visuals:
- **Connection diagrams**: How to connect cables
- **LED status indicators**: What lights mean
- **User interface**: Screenshots or photos of displays
- **Physical installation**: Mounting and positioning
- **Troubleshooting flowcharts**: Decision trees for problems
## Localization Considerations
If supporting multiple languages:
- **Text Translation**: Professional translation services
- **Cultural Adaptation**: Local customs and preferences
- **Units**: Metric vs imperial measurements
- **Regulatory**: Local compliance requirements
- **Support**: Local support contact information