- Replace MOSFET with CJAC70P06 (60V voltage rating)
- Upgrade sensor from ADXL345 to ICM-20602 (better availability, 6-axis IMU)
- Change Micro Fit 3.0 connectors from SMD to THT mounting
- Add connector pinouts to silkscreen for easier assembly
- Clean up component placement and optimize layout
- Update overview image to reflect current design
- Add component order numbers to BOM
- Update production files with current components
- Add comprehensive changelog and table of contents
- Improve documentation structure with language links