# dcled を Homebrew でインストール

dcled のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:dcled
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install dcled
```

  証拠: local Homebrew formula metadata

## パッケージ情報

- **パッケージキー:** brew:dcled
- **パッケージマネージャ:** Homebrew
- **バージョン:** 2.2
- **ソース概要:** Linux driver for dream cheeky USB message board
- **ホームページ:** <https://www.jeffrika.com/~malakai/dcled/index.html>
- **最終更新:** 2026-06-25T13:37:39+02:00
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- dcled (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 2.2
## プロジェクトの歴史と使われ方

dcled is a small userland command-line driver for the Dream Cheeky USB Message Board, a scrolling LED gadget whose original software targeted Windows. Its official page frames the project as a Linux-style way to stream text to the device.

### プロジェクトの歴史

The author wrote the first version after finding a hardware developer manual for the device. The official page says version 1.0 took roughly a Saturday afternoon, and the program was shaped to behave like cat: files go to the display, stdin works as a pipe, and a message option handles one-off text.

The project then accreted features from real desk and server use. Preamble graphics were added because the author missed the beginning of scrolling messages, and later releases moved from libhid to direct libusb use and added a tachometer mode for gauge-like displays.

### 採用の歴史

dcled is niche hardware software rather than an ecosystem project. The official page records use for monitoring a game server, Mac OS X compatibility, and a related Ruby userland driver by another developer, which is about the right adoption scale for a single USB novelty device.

### 使われ方

The practical pattern is Unix plumbing: pipe log output or short status messages into dcled and let the LED board scroll them. The page's example tails a system log through dcled with preamble graphics and echoing enabled so the same text appears on both the terminal and the display.

Options cover brightness, clock display, preambles, repeated scrolling, font selection, speed, test patterns, and a no-device mode, which makes it more scriptable than the toy hardware would suggest.

### パッケージ好きにとっての重要性

dcled is the kind of package that makes old Unix package indexes fun: one odd USB object, a single-purpose CLI, no daemon, no cloud account, and just enough stream behavior to make it composable.

### タイムライン

- Initial version: Written after the author found the Dream Cheeky hardware developer manual.
- 2011: The page records discussion of a related Inland USB LED badge tool.
- 2012: dcled 2.1 replaced the libhid layer with direct libusb use.
- 2014: dcled 2.2 added tachometer mode and an included cpuload helper.

### Related projects

- The official page links to Lewis Clayton's Ruby userland driver for the same Dream Cheeky USB LED Message Board and to an Inland USB LED Badge control project.

### ソース

- <https://www.jeffrika.com/~malakai/dcled/index.html>


## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals


## Combined YAML source

View the package source record on GitHub. [combined/dcled.yml](https://github.com/mxcl/pkgdb/blob/main/combined/dcled.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph