hedÖrah

// experiments & code 54 projects · tools, technical references & worldbuilding · 2026

01 Audio / Synthesis

  1. acidcat

    Binary analysis and reverse-engineering tool for audio file formats.

    Audio File Anatomy ▪ pypi ▪ ⚑ wanted

    audio
  2. Levels & Loudness

    Recording, sound design & mastering reference. Waveform physics, dB scales, LUFS targets.

    audio
  3. Spectral Audio Averaging

    Inspired by Jim Campbell's Illuminated Averages.

    repo

    audio
  4. audio / dsp

02 References

  1. Network Protocols Anatomy

    Interactive byte-level anatomy of every major network protocol.

    repo

    networking
  2. IPv6 Header Breakdown

    IPv6 header fields, addressing, NDP/SLAAC and extension headers, with an attack lab.

    repo

    networking
  3. MCP Cheatsheet

    Protocol spec quick reference. Primitives, transport, lifecycle, SDK patterns.

    deep dive ▪ attack surface ▪ briefing

    protocol
  4. Kubernetes Cheatsheet

    Interactive k8s reference with search.

    yaml builder

    infra
  5. Linux Memory Management

    Virtual memory, page tables, allocators. C examples.

    linux
  6. Attack Anatomy: the bytes

    Byte-level SYN flood, spoofing, amplification and Rapid Reset packets.

    web
  7. Anatomy of a Web Request

    HTTP request lifecycle: DNS, TCP/TLS, caching layers, CDN edge selection, rendering.

    web
  8. Linux Network Stack Flow

    Packet path through the Linux kernel network stack. Annotated flow diagram.

    web
  9. Python Bugs

    Bug families that hit production + tool coverage map.

    teardown

    python
  10. AI / ML Infographic Series

    20 interactive explainers + cheatsheets.

    ml
  11. OSFAMTRE.EXE

    Operating system family tree. Lineage, forks, descendants.

    web
  12. Windows vs. Linux disk and filesystem commands reference

    Windows vs. Linux disk, partitions, and filesystems reference.

    sys
  13. Bookbinding Glossary

    Bookbinding terms: structures, sewing, covering, adhesives, conservation.

    craft

03 Deep Dives

  1. Diodes Deep Dive

    Diode physics and diode clipping circuits for audio.

    electronics
  2. Op-Amps Deep Dive

    Op-amp feedback, slew rate, gain-bandwidth and noise in audio circuits.

    electronics
  3. ESP32 Deep Dive

    Boot modes, stub loader, flash layout, eFuse, JTAG and brick recovery.

    embedded
  4. LoRa / LoRaWAN Deep Dive

    Chirp spread spectrum, SX127x/SX126x registers, LoRaWAN MAC. Register-level C.

    radio
  5. CAN Bus / Car Hacking Deep Dive

    CAN frames, SocketCAN, UDS/OBD-II diagnostics, ECU firmware dumping.

    embedded
  6. RouterOS / MikroTik Deep Dive

    CLI, bridges, firewall/NAT isolation, switch port-mirroring, tools.

    networking
  7. Linux Namespaces

    Overview, cheatsheet + demos.

    repo

    linux
  8. Sandboxing Deep Dive

    Linux sandboxing primitives.

    repo

    linux
  9. eBPF Overview

    Overview, cheatsheet + BCC tools.

    repo

    linux
  10. Linux Sockets & IPC Deep Dive

    The fd model, AF_UNIX, accept queues, epoll, shared memory.

    linux
  11. Test Harness Deep Dive

    Fixtures, doubles, monkeypatch, mock transports, mutation, AI-authored tests.

    console ▪ field card ▪ beginner card ▪ repo

    python
  12. Contract-Driven Multi-Agent Development

    Coordinating LLM agents with contracts.

    practice
  13. Reverb Deep Dive

    Reverb algorithms, with NumPy.

    repo

    audio / dsp
  14. Compression / Archive File Formats Field Guide

    Benchmarks and analyzes 12 common archive and compression file formats.

    cross-entropy

    web

04 Tools

  1. Grid Engine

    Printable grid generator. Twelve engines, 37 presets, true millimetre output, SVG and PNG.

    open

    web
  2. partinfo

    Datasheet-verified electronic component pinouts, specs, and ASCII diagrams in your terminal.

    pypi ▪ repo

    python
  3. wrapster

    Secure MCP command gateway for LLMs. GTFObins-derived guardrail signatures.

    repo ▪ mcp ref

    go
  4. Noggin2

    Obsidian + Claude second-brain system. Tag-driven LLM processing, daily capture.

    repo ▪ cheatsheet

    markdown
  5. Plex / Spotify Metadata MCP Servers

    Search, metadata, poster/art retrieval, library exports. Read-only by design.

    plex ▪ spotify

    python
  6. pagescope

    Chrome DevTools in your terminal.

    pypi ▪ repo

    python
  7. spectrum_tui

    RTL-SDR spectrum scanner TUI.

    repo

    python
  8. TunnelMap

    Subway Tunnel Mapping / Underground Cartography Tool.

    repo

    web
  9. GIF Archaeology & Editor

    Browse, dissect, and re-encode GIFs. Frame-level inspection.

    web
  10. ChromaScope

    Art Analysis Laboratory. Extract palettes, analyze geometry, and more.

    web
  11. Moonboard

    Lightweight moodboard for local use.

    web
  12. ansigrivt

    ANSI/ASCII art viewer with interactive physics effects.

    repo

    physics
  13. sort500

    23 sorting algorithms written from scratch in C11. Includes a benchmark and race tool.

    repo

    c
  14. vuln-lab-C

    Minimal, self-contained C programs demonstrating common memory and logic vulnerabilities.

    repo

    c / sec

05 Simulations / Art

  1. BFF Primordial Soup v2

    Spontaneous self-replicator emergence in a Brainfuck-derived computational substrate.

    simulation
  2. BLACK MATH

    ⊕ ⊖ ⊗ ⊘ ⊙ ⊚ ⊛ ⊜ ⊝ ⊞ ⊟ ⊠ ⊡ ⊢ ⊣ ⊤ ⊥ ⊦ ⊧ ⊨ ⊩ ⊪ ⊫ ⊬

    art
  3. CAMOJACK

    Camouflage pattern generator & editor.

    art

06 Tabletop RPGs

  1. LABL-DNGN ( labeldungeon.com )

    Dungeon tile geomorphs for 4x6" & 150x100mm shipping label printers.

    RPG
  2. Kill ENGN

    Modular mech and heavy-vehicle rules for CY_BORG.

    itch

    RPG
  3. Fate Rally

    Simulated death-race league with pro-wrestling storylines and collaborative worldbuilding.

    wiki

    RPG

07 Ongoing

  1. web

08 Work in Progress Papers

Working technical notes, revised as the work changes.

  1. Small Models and Classifiers

    Small language models and classifiers as the decision points in an agent loop.

    ml