timegrapher

Desktop app for the Timegrapher Studio wristwatch timegrapher - rate, beat error, amplitude and BPH from escapement sound, DS3231-disciplined ESP32.

Open-source acoustic watch diagnostic workstation with WASM DSP autocorrelation, 10s WAV telemetry capture, 6-positional radar plotting, and client PDF reporting

Timegrapher para relojes mecánicos que corre entero en el navegador: marcha, amplitud y error de batida con una sonda y una tarjeta de sonido USB de 5 €. / In-browser timegrapher for mechanical watches.

Open-source calculator for checking whether two mechanical-watch timegrapher rate readings agree, using both fits' uncertainty.

Free offline PWA for watchmakers - photograph a Weishi timegrapher display and turn the reading into structured data, history and PDF reports. No accounts, no cloud.

3D-printable stand and fixtures for the Timegrapher Studio - watch clamp, sensor slide, pivot, and enclosure parts. Print-ready STL/3MF.

Hairspring and mechanical-watch measurement resources, plus host-root crawl discovery.

Marat Oganesyan — Hairspring and Firekeep

Hairspring is an iPhone timegrapher for mechanical watches—measure rate, beat error, amplitude bands, and repeatability with uncertainty stated.

Through-hole piezo preamplifier board for the Timegrapher Studio - conditions the faint escapement signal for the I2S ADC. KiCad.