# refdinal/pilwanatimer architecture

> Architecture diagram of the GitHub repository refdinal/pilwanatimer, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-09-26). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/refdinal/pilwanatimer
- Repository: https://github.com/refdinal/pilwanatimer

## Overview

Pilwanatimer is a browser countdown timer. Users choose a preset duration, start or stop the countdown, and receive warning beeps and a completion sound. The sampled JavaScript shows the timer logic and DOM interactions; the README provides no further capability details.

Main entry points: [`main.js`](https://github.com/refdinal/pilwanatimer/blob/main/main.js) (Countdown logic), [`index.html`](https://github.com/refdinal/pilwanatimer/blob/main/index.html) (Timer interface), [`Assets/Sound/beep-07a.wav`](https://github.com/refdinal/pilwanatimer/blob/main/Assets/Sound/beep-07a.wav) (Warning beep), [`Assets/Sound/mixkit-bell-ring-buzzer-2962.wav`](https://github.com/refdinal/pilwanatimer/blob/main/Assets/Sound/mixkit-bell-ring-buzzer-2962.wav) (Completion sound)

## Diagram (Mermaid)

```mermaid
flowchart TD

node_user(("User"))
node_interface["Timer interface<br/>[index.html]"]
node_timer["Countdown logic<br/>[main.js]"]
node_browser["Browser timer"]
node_warning["Warning beep<br/>[beep-07a.wav]"]
node_alarm["Completion sound"]

node_user -->|"uses"| node_interface
node_interface -->|"dispatches events"| node_timer
node_timer -->|"updates display"| node_interface
node_timer -->|"schedules ticks"| node_browser
node_browser -->|"invokes ticks"| node_timer
node_timer -->|"plays warning"| node_warning
node_timer -->|"plays completion"| node_alarm

click node_interface "https://github.com/refdinal/pilwanatimer/blob/main/index.html"
click node_timer "https://github.com/refdinal/pilwanatimer/blob/main/main.js"
click node_warning "https://github.com/refdinal/pilwanatimer/blob/main/Assets/Sound/beep-07a.wav"
click node_alarm "https://github.com/refdinal/pilwanatimer/blob/main/Assets/Sound/mixkit-bell-ring-buzzer-2962.wav"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_user,node_browser toneBlue
class node_interface,node_timer,node_warning,node_alarm toneTeal
```

## Components

### Other components

- **User**
- [Timer interface](https://github.com/refdinal/pilwanatimer/blob/main/index.html): `index.html`
- [Countdown logic](https://github.com/refdinal/pilwanatimer/blob/main/main.js): `main.js`
- **Browser timer**
- [Warning beep](https://github.com/refdinal/pilwanatimer/blob/main/Assets/Sound/beep-07a.wav): `Assets/Sound/beep-07a.wav`
- [Completion sound](https://github.com/refdinal/pilwanatimer/blob/main/Assets/Sound/mixkit-bell-ring-buzzer-2962.wav): `Assets/Sound/mixkit-bell-ring-buzzer-2962.wav`

## Connections

- User → Timer interface: uses
- Timer interface → Countdown logic: dispatches events
- Countdown logic → Timer interface: updates display
- Countdown logic → Browser timer: schedules ticks
- Browser timer → Countdown logic: invokes ticks
- Countdown logic → Warning beep: plays warning
- Countdown logic → Completion sound: plays completion