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7/10/2025
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7/10/2025
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Built by Remco Stoeten with a little ❤️

Snippets.remcostoeten
Snippets.remcostoeten
Snippets
Welcome to Snippets
Keyboard Tester Feature Prompt
Microphone Tester Feature Prompt
Webcam Tester
Features

Microphone Tester Feature Prompt

A feature prompt for the Microphone Tester component which I still want to implement for my pheripherals tester tool.

🔌 Input Devices

  • List all available microphone inputs with labels.
  • Let user switch between them dynamically.

📈 Live Feedback

  • Show:
    • A live waveform
    • A gain meter
    • Red “clipping” zone indicator when volume is too loud

####🧠 Mic Optimal Range Feedback

  • Display message based on average gain level:
    • ✅ “Perfect distance”
    • ⚠️ “Too far, speak up”
    • ❗“Too close, lower your voice”
  • Visual feedback using icon + text
  • Adjustable thresholds optional (for dev mode)

🔊 Live Playback

  • Toggle to hear your own mic in real-time (feedback loop warning).
  • Respect input/output device choice.

🎛️ Recording Controls

  • Start / Pause / Resume / Stop buttons
  • Timer:
    • Starts at 0
    • Pauses timer on pause
    • Resumes timer from paused value

🧾 Track Visualization

  • After stop:
    • Show full waveform with zoom out
    • Playback control with:
      • Click-to-seek
      • Forward 5s / Backward 5s buttons
      • Playback speed toggle:
        • Faster: 1.25×, 1.5×, 1.75×, 2×
        • Slower: 0.75×, 0.5×, 0.25×

📝 File Management

  • Title (editable). Default = recording-TIMESTAMP
  • Delete track button
  • File size preview (estimated)
  • Download MP3

📦 Persistence

  • Multiple recordings allowed
  • Persist via localStorage
  • Sync across browser tabs
  • Optional Postgres support (via Drizzle ORM)

🚫 Permission States

  • If no access:
    • Show empty state with info + retry
  • If denied:
    • Show persistent error with instructions

♿ Accessibility

  • Labels for all controls
  • Live regions for timers
  • Keyboard navigable

```mdx title="webcam-tester.mdx"
## 📸 Webcam Tester Feature Prompt

### 🔌 Input Devices

- List all connected webcams by name
- Allow live switching between devices

### 🎥 Live Preview

- Real-time video display
- Respect aspect ratio and resolution
- Dark mode styled

### 🎬 Recording Controls

- Start / Pause / Resume / Stop buttons
- Timer logic like mic feature

### 🧾 Playback & Trimming

- After stop:
  - Show preview using `<video>`
  - Slider handles for start/end trimming
  - Live playback of trimmed section
  - File size preview of trimmed MP4
  - Optional thumbnail preview (generated from trimmed segment)

### 📝 File Management

- Title editable (default: `recording-TIMESTAMP`)
- Delete button
- Download MP4
- File size preview
- Local storage persistence
- Future Postgres support

### 🚫 Permission States

- If no camera access:
  - Empty state
  - Variant for permission denied

### ♿ Accessibility

- Play/pause keyboard shortcuts
- Live region for recording timer
- All controls labeled
- Dark mode theme variables
keyboard-tester.mdx
## ⌨️ Keyboard Tester Feature Prompt
 
### 🧩 Layout & Feedback
 
- Full on-screen keyboard (QWERTY)
- Pressing a physical key:
  - Animates key visually
  - Plays tone (mapped L → R = low → high note)
  - Sound toggle in settings
 
### 💡 Visual Press Behavior
 
Two toggleable animation modes:
 
1. **Persistent Highlight Mode**
 
   - Pressed key stays highlighted until “Reset” is clicked
 
2. **Pulse Mode**
   - Key animates on press and fades back on release
   - Holding a key keeps it visually down
   - Only triggers history event on release
 
### 🕘 Key History
 
- Collapsible history panel
- Setting: store last 5 or 10 key presses
- Ignore repeated keys held down
- Setting to disable history entirely
 
### 🎛️ Settings
 
- Sound toggle
- Animation mode toggle
- History capacity setting (off / 5 / 10)
- Reset pressed keys
 
### 🔁 Cross-Tab Sync
 
- Optionally sync history + visual state across tabs
 
### ♿ Accessibility
 
- Virtual keys are ARIA-mapped
- Sound does not auto-play without user gesture
- Fully keyboard navigable

Keyboard Tester Feature Prompt

Build a Keyboard Tester Component in a Next.js App Router app that mimics a VIA-style interface, designed for user interaction and input visualization. No storage in localStorage or PostgreSQL is required, but a toggleable settings system should be implemented (can use URL params, Zustand, or context).

Webcam Tester

Build a Webcam Testing Component in a Next.js App Router app with the following capabilities, UI behaviors, and data model. It should function independently but follow the same structure as the microphone testing feature.

On this page

🔌 Input Devices📈 Live Feedback🔊 Live Playback🎛️ Recording Controls🧾 Track Visualization📝 File Management📦 Persistence🚫 Permission States♿ Accessibility
Jul 10, 2025
5 min read
878 words