FCMD Documentation

Comprehensive ebook covering electromagnetic theory, DSP algorithms, and complete implementation details. From beginner basics to expert-level signal processing.

Visual overview of the complete system architecture from audio I/O through DSP processing to UI display.

Step-by-step visualization of how phase slope discrimination identifies different metals (ferrous vs non-ferrous).

Detailed explanation of ground balance algorithms including manual, auto-tracking, and hybrid modes.

How depth estimation works, its limitations, calibration procedures, and expected accuracy ranges.

Documentation of the multi-tone audio feedback system and target audio generation.

How to contribute code, documentation, or hardware designs. Includes coding standards and testing guidelines.

Complete guide to publishing and maintaining the project on GitHub.

Project overview, features, installation instructions, and quick start guide.

Open source license - free to use, modify, and distribute.

Printable PDF version of the complete technical guide.

Printable PDF of the VDI phase slope discrimination diagram.