be00ebf097
- Concepts is now the landing (/): index.html is the form-factor gallery with the LIVE widget embedded in every box (editor/teacher/stage/micro/showcase/initial), on the shared header/footer. concepts.html retired; every "Concepts" link → /. - New shared chrome partials src/header.html, src/footer.html, src/chrome.js (assembled by build.sh) + .site-foot / details.spec styles in base.css. Applied to the landing + showcase this pass. - Showcase redesign per spec: the pendulum bar IS the display — each lane's subdivisions/accents ride along the rod as moving RGB light (all meters combined); transparent outside the body (no black window); a printed tempo scale on the vertical axis with a draggable weight to set tempo; start is an external button (the real unit starts when lifted from its holder). Next pass: roll the shared header/footer onto the remaining pages (incl. the editor header-above-toolbar), merge Open=Info into one page per form factor with the expandable Info & BOM, and add teacher-style dimensioned views to Stage/Micro/Showcase. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
121 lines
8.4 KiB
HTML
121 lines
8.4 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>PM‑1 Stage — info & BOM — VARASYS</title>
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<link rel="icon" type="image/svg+xml" href="data:image/svg+xml;base64,@BUILD:favicon@">
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<body>
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<header class="site-head">
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<div class="head-left">
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<a class="brand" href="/" title="VARASYS — Simplifying Complexity">
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<img class="brand-logo brand-dark" src="data:image/png;base64,@BUILD:logo-dark@" alt="VARASYS — Simplifying Complexity" />
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</a>
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<span class="page-name"><b>PM‑1</b> · Stage — info</span>
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</div>
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<nav class="site-nav">
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<a href="/editor.html">Editor</a>
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<a href="/">Concepts</a>
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<a href="/stage.html">Open ↗</a>
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<button id="themeBtn" class="tbtn" title="toggle light / dark theme">☀</button>
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</nav>
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</header>
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<main>
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<h1>PM‑1 — Stage</h1>
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<div class="tags"><span class="tag hw">Hardware</span><span class="tag">Foot‑pedal stompbox</span><span class="tag">~$52 one‑off</span></div>
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<p class="lead">A foot‑operated polymeter stompbox for the stage: drive it hands‑free with two heavy
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footswitches and an expression pedal, read it off the floor from a big RGB beat light, and run your
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instrument through it with the click mixed in. (For a desk/lesson unit with a full screen, see the
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<a href="/teacher.html">Teacher</a>.)</p>
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<div class="embed-wrap">
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<div data-varasys-metronome="stage"
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data-patch="v1;t120;b16;kick:4=X.x.;snare:4=.X.X;hatClosed:4/4" data-height="430"></div>
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</div>
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<p class="cap">Live widget (embedded). <a href="/stage.html">Open the full Stage page ↗</a> · <a href="/embed.html">embed this</a></p>
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<h2>Designed for</h2>
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<p>Live use, hands‑free. The controls are built for feet: the <b>left footswitch</b> taps tempo (hold to
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start/stop), the <b>right</b> steps through your set list (hold for previous), and a <b>1/4″ expression‑pedal
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input</b> sweeps tempo on the fly. A large RGB <b>beat light</b> is readable from standing height, with a
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small angled TFT for the BPM, item name and beat. Your instrument passes through (1/4″ in) with the click
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summed in the <b>analog domain</b> and sent to a balanced 1/4″ TRS out for the desk. Powered over USB‑C —
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with a <b>second USB‑C "thru" port</b> so several pedals daisy‑chain off one charger or power bank.</p>
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<h2>Bill of materials</h2>
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<p class="sub">Rough parts list — a foot‑operated RP2040 stompbox (USB‑C, dual‑port) with analog click injection.
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Ballpark one‑off prices (USD); cheaper at volume.</p>
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<table class="bom">
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<thead><tr><th>Part</th><th class="q">Qty</th><th class="c">~$</th></tr></thead>
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<tbody>
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<tr class="grp"><td colspan="3">Brain & display</td></tr>
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<tr><td class="part">RP2040 board, USB‑C <span class="spec">— e.g. Waveshare RP2040‑Zero</span></td><td class="q">1</td><td class="c">4</td></tr>
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<tr><td class="part">1.3″ IPS TFT, ST7789 <span class="spec">— SPI; angled BPM / item readout</span></td><td class="q">1</td><td class="c">6</td></tr>
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<tr><td class="part">High‑bright diffused RGB beat indicator <span class="spec">— floor‑readable</span></td><td class="q">1</td><td class="c">1</td></tr>
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<tr class="grp"><td colspan="3">Controls</td></tr>
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<tr><td class="part">Heavy‑duty momentary footswitch (soft‑touch) <span class="spec">— Tap · Next</span></td><td class="q">2</td><td class="c">6</td></tr>
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<tr><td class="part">1/4″ expression‑pedal input jack (TRS) <span class="spec">— tempo sweep</span></td><td class="q">1</td><td class="c">1</td></tr>
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<tr class="grp"><td colspan="3">Audio — analog click injection</td></tr>
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<tr><td class="part">PCM5102A I²S DAC <span class="spec">— line‑level click</span></td><td class="q">1</td><td class="c">3</td></tr>
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<tr><td class="part">Dual op‑amp, NE5532 / OPA2134 <span class="spec">— hi‑Z instrument buffer + summing mixer</span></td><td class="q">1</td><td class="c">1</td></tr>
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<tr><td class="part">Balanced line driver, DRV134 <span class="spec">— → 1/4″ TRS out</span></td><td class="q">1</td><td class="c">4</td></tr>
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<tr class="grp"><td colspan="3">Connectors & power</td></tr>
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<tr><td class="part">1/4″ jack <span class="spec">— Inst In (TS) · Out (TRS) · Trig In (TS)</span></td><td class="q">3</td><td class="c">3</td></tr>
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<tr><td class="part">2× USB‑C (data+power & power‑thru) + power‑path/protection + PWR LED <span class="spec">— daisy‑chain pedals</span></td><td class="q">1</td><td class="c">3</td></tr>
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<tr class="grp"><td colspan="3">Build</td></tr>
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<tr><td class="part">Custom PCB (or perfboard)</td><td class="q">1</td><td class="c">5</td></tr>
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<tr><td class="part">Passives, headers, wire <span class="spec">— R/C for the analog stage + decoupling</span></td><td class="q">—</td><td class="c">3</td></tr>
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<tr><td class="part">Die‑cast aluminium stompbox (Hammond 1590BB‑style) <span class="spec">— bead‑blasted, matte‑black Type II anodise, laser‑etched</span></td><td class="q">1</td><td class="c">12</td></tr>
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<tr class="total"><td>Total (one‑off)</td><td class="q"></td><td class="c">≈ $52</td></tr>
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</tbody>
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</table>
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<p class="sub" style="margin-top:12px">No built‑in speaker — the Stage feeds your amp / PA. The click is summed in the
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<b>analog domain</b> (hi‑Z instrument buffer + DAC → balanced line driver), so your instrument is never
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re‑digitised (no added latency).</p>
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</main>
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<div class="site-foot">VARASYS · Simplifying Complexity — <span id="appVersion">v0.0.1-dev</span></div>
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