Clocks

Mechanical

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    Volumes

    1. Vol 1 Overview & Decision Tree What a mechanical-movement clock is in this hub, the three threads it spans, and which path fits your bench
    2. Vol 2 The Readout — Hands, Dials & Needles How a mechanical position encodes time across three threads, and the reading concerns — parallax, resolution, backlash, and zeroing — that come with a display you have to move
    3. Vol 3 Gear Trains & Mechanical Reduction Module, mesh, and ratio; the 12:1 and 60:1 reductions every clock hides; planetary (epicyclic) gearing in depth; and the craft of printing gears that mesh without binding
    4. Vol 4 Motors, Coils & Actuators The drive layer — Lavet and stepper motors, the L293D and TMC2208 drivers, microstepping math, the tuning-fork sustaining amplifier, and hall-sensor homing
    5. Vol 5 Timebases & Counting Logic What keeps time in each of the three builds — mains, a humming fork, a temperature-compensated crystal, and the network — and how the logic counts a steady frequency down to a position on a dial
    6. Vol 6 Build It Yourself Three complete worked builds — print the planetary movement, etch and bring up the fork PCB, wire the ESP32 gauge clock — plus the consolidated category safety section
    7. Vol 7 Buy a Kit or Finished Clock The buy-instead-of-build path for all three threads — a vintage Accutron, gear-clock kits and files, and finished gauge clocks — with pricing, sourcing, and an honest trade-off table
    8. Vol 8 Enclosure, Dials & Finishing Three aesthetics, one hub — the visible mechanism, the instrument panel, and the circuit-as-object; designing printed gauge faces; enclosures and FDM/acrylic/brass finishing; lighting with restraint; and the sound a clock makes
    9. Vol 9 The Collected Projects File-by-file walk-throughs of the three designs held in this hub — PlanetaryGear, TuningFork, and Aviation — their architecture, UI, and gotchas
    10. Vol 10 Cheatsheet & Glossary The laminate-ready synthesis — every formula, microstep table, BOM, pinout, and serial command for the three collected builds on one foldable reference, plus an A–Z of terms