📖 Reader

Two long-form books that ship with the project. Each one is a separate site-within-the-site: chapter list in the sidebar, keyboard shortcuts, dark mode, mobile-friendly.

Hardware × music 🔧

The Maker's Companion

A study guide for Make: Electronic Music from Scratch × Ravine: Phoenix

Fifteen chapters from the project's own study guide. Pairs the Teenage Engineering PO-33 with the upstream makers book by the same publisher. History, soldering, schematics, oscillators, filters, modulation, sequencers, percussion, the Dogbotophone.

15 pages Start reading →

Music theory 🎵

The PO-33 Musical Companion

Beat, melody, groove, and genre for the novice operator

A complete self-study music course. Seventeen chapters and five appendices covering rhythm, sampling, slicing, scales, chords, basslines, four genres (hip-hop, house, techno, lo-fi), song structure, pattern chaining, parameter locks, and live performance.

23 pages Start reading →

About the reader

· Each chapter has its own URL — bookmarkable, deep-linkable.
· Keyboard shortcuts: j next, k previous, [ toggle sidebar, ? help.
· Progress bar at the top tracks your scroll within a chapter.
· Sidebar collapses on mobile; tap the ☰ button to open.
· Dark mode respects your localStorage theme preference.
· Source markdown lives in docs/; the build pipeline splits on chapter headings.