macOS
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brew install dcledlocal Homebrew formula metadata
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Install dcled with Homebrew
Linux driver for dream cheeky USB message board. Version 2.2 via Homebrew; verified 2026-06-25.
install
Additional install commands
overview
Package summary
Linux driver for dream cheeky USB message board
Project links
Commands and aliases
- dcled
history
Project history and usage
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.
Project history
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.
Adoption history
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.
How it is used
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.
Why package nerds care
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.
Timeline
- 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.
Sources
security posture
Risk level: green
narrow executable package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- narrow executable package without higher-risk signals
Signals
- metadata:no-higher-risk-signals
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 13 platform targets.
- Installs with 1 runtime dependencies.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
dcled | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-08
manager version2.2
manager updated2026-06-25
local dataok
upstreamnot checked
latest detectednot detected
https://www.jeffrika.com/~malakai/dcled/index.html
- infoRelease/tag comparison is only available for GitHub repositories.https://www.jeffrika.com/~malakai/dcled/index.htmlnone confidence
install metadata
Package metadata
| Package key | brew:dcled |
|---|---|
| Version | 2.2 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/dcled |
| Homepage | https://www.jeffrika.com/~malakai/dcled/index.html |
| Upstream docs | https://www.jeffrika.com/~malakai/dcled/index.html |
| License | LicenseRef-Homebrew-cannot-represent |
| Source archive | https://www.jeffrika.com/~malakai/dcled/dcled-2.2.tgz |
| Last updated | 2026-06-25T13:37:39+02:00 |
| Pulse | updated |
| Dependencies | libusb |
| Bottle | available (on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| 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 |
|
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated package history
- package relationship graph
- package version freshness
- package-page enrichment