Midea AC Controller PCB Design

This folder contains the KiCad project files and documentation for the custom Midea AC Controller PCB with BLE beacon capabilities.

Project Structure

PCB_Board/
├── Midea_ESP/                    # KiCad project folder
│   ├── Midea_ESP.kicad_pro       # KiCad project file
│   ├── Midea_ESP.kicad_sch       # Schematic file
│   ├── Midea_ESP.kicad_pcb       # PCB layout file
│   ├── libs/                     # Custom component library
│   │   └── Midea_AC_Controller.kicad_sym  # Custom symbols
│   ├── LIBRARY_SETUP.md          # How to add libraries
│   └── COMPONENT_REFERENCE.md    # Component quick reference
├── DESIGN_SPEC.md                 # Complete design specification
├── KICAD_GUIDE.md                # Step-by-step KiCad guide
└── SCHEMATIC_CONNECTIONS.txt     # Detailed connection list

Quick Start

1. Setup Libraries: See Midea_ESP/LIBRARY_SETUP.md
2. Read Design Spec: See DESIGN_SPEC.md
3. Create Schematic: Follow KICAD_GUIDE.md
4. Reference Connections: Use SCHEMATIC_CONNECTIONS.txt

Key Components

• ESP32-WROOM-32E: Main microcontroller (WiFi + BLE)
• TXB0104PWR: Logic level shifter (3.3V ↔ 5V)
• AMS1117-3.3: Voltage regulator
• JST-XH Connector: Midea AC interface

Documentation Files

• DESIGN_SPEC.md: Complete hardware design specification
• KICAD_GUIDE.md: Detailed KiCad schematic and PCB guide
• SCHEMATIC_CONNECTIONS.txt: Pin-to-pin connection reference
• Midea_ESP/LIBRARY_SETUP.md: Library setup instructions
• Midea_ESP/COMPONENT_REFERENCE.md: Component quick reference