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DMX Logo

DMX 调试助手

DMX512 Lighting Controller

A DMX512 lighting control tool built with Python + PyQt5.
基于 Python + PyQt5 的 DMX512 灯光控制上位机。

Python 3.9+ PyQt5 MIT License GitHub Stars

FeaturesQuick StartHardwareDownloadFull Guide

UI Preview

Features / 功能

English 中文
512 Channels — 32 pages × 16 channels, 2×8 fader grid 512 通道控制 — 32 页 × 16 通道,2×8 推杆网格
Master Fader — Global 0-100% output scaling, stored values unchanged 主控推子 — 全局 0-100% 输出缩放,不破坏原始值
Blackout — One-key all-zero output, restore preserves original values 黑场 — 一键全零输出,恢复保留原值
Channel Grouping — Ctrl+click multi-select, sync adjust 通道编组 — Ctrl+多选,同步调节
Channel Naming — Right-click rename, saved with scenes 通道命名 — 右键重命名,随场景保存
Channel Lock — Locks disable slider, batch ops auto-skip 通道锁定 — 锁定后滑块禁用,批量操作自动跳过
Scene Library — Built-in multi-scene manager, JSON storage 场景库 — 内置多场景管理器,JSON 本地存储
Scene Chaser — Select scenes, set interval/fade, auto loop 场景轮巡 — 勾选场景,设停留/淡入时间,自动循环切换
Presets — Reset all / Max all / Invert all, skip locked channels 预设操作 — 全部归零 / 最大 / 取反,跳过锁定通道
FPS Monitor — Real-time frame rate in status bar 帧率显示 — 状态栏实时 FPS
Language Switch — Chinese/English toggle, Ctrl+Shift+Z/E, persists on restart 中英双语 — 一键切换,Ctrl+Shift+Z/E,重启保持
Auto Port Scan — Detect available serial ports, one-click refresh 串口自动扫描 — 自动检测可用串口,一键刷新

Quick Start / 快速开始

# Install dependencies / 安装依赖
pip install -r requirements.txt

# Run / 运行
python main.py

# Build single-file exe / 构建单文件 exe
python build.py

Output: build/DMX调试助手/DMX调试助手.exe

Hardware / 硬件接线

USB-to-RS-485 adapter → DMX512 fixture

USB 转 RS-485 模块          DMX512 设备
┌─────────────┐           ┌────────────┐
│     A (+)   ├───────────┤ DATA+      │
│     B (-)   ├───────────┤ DATA-      │
│     GND     ├───────────┤ GND        │
└─────────────┘           └────────────┘

A 120Ω termination resistor is required at the end of the DMX bus to prevent signal reflection.
总线末端需接 120Ω 终端电阻 防止信号反射。

Download / 下载

Windows users: Download the standalone exe from Releases. No Python required.

Windows 用户:从 Releases 下载单文件 exe,无需安装 Python。

Tech Stack / 技术栈

Layer / 层 Technology / 技术
UI PyQt5
DMX Protocol QThread + pyserial (250000 baud, 8N2)
Frame Timing time.perf_counter() spin-wait (μs precision)
Packaging PyInstaller → single-file exe (python build.py)

Documentation / 文档

License / 许可

MIT


Built for the stage lighting community · 为舞台灯光社区制作

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