📄️ 1. Project Overview & Setup
1.1 Board Features
📄️ 2. Schematic Design Basics
2.1 KiCad 7 Project Initialization
📄️ 3. STM32 WB55 Microcontroller Power Architecture
3.1 Power Domain Specifications
📄️ 4. RF Section Design
4.1 Impedance Matching Network
📄️ 5. Oscillators
5.1 High-Speed External Oscillator (HSE)
📄️ 6. Programming & Debugging
6.1 Tag Connect SWD Interface
📄️ 7. USB-C Power & Data Interface
7.1 ESD Protection Circuit
📄️ 8. Peripherals
8.1 UART Interface Implementation
📄️ 9. ERC & Footprints
9.1 Electrical Rules Check (ERC)
📄️ 10. Net Classes & BOM
10.1 Net Class Definition and Routing Rules