README.md

metadata

title: PCB Image2Schematic
emoji: 🔌
colorFrom: green
colorTo: blue
sdk: gradio
sdk_version: 4.44.1
app_file: app.py
pinned: false
python_version: '3.11'

🔌 PCB Image → Schematic

Convert a PCB photo into a KiCAD schematic automatically using AI.

Pipeline

1. Component Detection — YOLOv8 via Roboflow API detects resistors, capacitors, ICs etc.
2. IC Text Reading — EasyOCR reads part numbers from chip silkscreen
3. Netlist Generation — OpenCV trace following + proximity detection finds connections
4. KiCAD Output — Generates .kicad_sch file ready to open in KiCAD

Local Setup

git clone https://github.com/sanjay-r123/pcb-image2schematic
cd pcb-image2schematic
python -m venv venv
venv\Scripts\activate
pip install -r requirements.txt
python app.py

Then open http://localhost:7860

Run Individual Stages

python detector.py     "your_pcb.jpg"
python ocr.py          "your_pcb.jpg"          "your_pcb_results.json"
python netlist.py      "your_pcb.jpg"          "your_pcb_results_ocr.json"
python kicad_writer.py "your_pcb_netlist.json"

Tech Stack

• Roboflow YOLOv8 — component detection
• EasyOCR — IC text reading
• OpenCV — trace detection
• KiCAD format — schematic output
• Gradio — web UI