# 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
- **パッケージマネージャページ:** <https://formulae.brew.sh/formula/dcled>
- **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>
- **上流ドキュメント:** <https://www.jeffrika.com/~malakai/dcled/index.html>
- **ライセンス:** LicenseRef-Homebrew-cannot-represent
- **ソースアーカイブ:** <https://www.jeffrika.com/~malakai/dcled/dcled-2.2.tgz>
- **最終更新:** 2026-06-25T13:37:39+02:00
- **生成日時:** 2026-08-04T22:13:35+00:00

## 実行可能ファイル

- dcled (cli)
- dcled (エイリアス)

## 依存関係

- libusb

## インストール挙動

- post-install フック: 未定義
- Bottle: 利用可能 対象 arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## バージョンと鮮度

- ページ生成日: 2026-08-04
- マネージャ版: 2.2
- マネージャ更新日: 2026-06-25
- ローカルデータ: OK
- 上流リポジトリ: https://www.jeffrika.com/~malakai/dcled/index.html
- 情報: Release/tag comparison is only available for GitHub repositories.
## 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

## ソースデータベース詳細

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** dcled
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable


## 関連リンク

- [Terminal utility packages](https://pkg.so/ja/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://pkg.so/ja/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Web development packages](https://pkg.so/ja/web-dev-tools/) - Matched web development metadata.
- [Homebrew utility packages](https://pkg.so/ja/brew-utility-packages/) - Matched Homebrew package provider.
- [usbutils](https://pkg.so/ja/brew/usbutils/) - Shares pkgdb curated category or tags: cli, linux, system, usb.
- [ddcutil](https://pkg.so/ja/brew/ddcutil/) - Shares pkgdb curated category or tags: cli, linux, system, usb.
- [sispmctl](https://pkg.so/ja/brew/sispmctl/) - Shares pkgdb curated category or tags: cli, linux, system, usb.
- [util-linux](https://pkg.so/ja/brew/util-linux/) - Shares pkgdb curated category or tags: cli, linux, system.
- [keyutils](https://pkg.so/ja/brew/keyutils/) - Shares pkgdb curated category or tags: cli, linux, system.
- [podman](https://pkg.so/ja/brew/podman/) - Shares pkgdb curated category or tags: cli, linux, system.
- [systemd](https://pkg.so/ja/brew/systemd/) - Shares pkgdb curated category or tags: cli, linux, system.
- [glibc](https://pkg.so/ja/brew/glibc/) - Shares pkgdb curated category or tags: cli, linux, system.
- [fwupd](https://pkg.so/ja/brew/fwupd/) - Local package facts share a topical domain. Shared terms: cli, libusb, linux, system, usb.

## 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
- package-page enrichment
- curated package history
- package version freshness
- pkgdb category and tag curation
- package relationship graph
- cross-ecosystem install command graph