SpotLED GUI

This content originally appeared on DEV Community and was authored by Adam Mateusz Brożyński

Animation editor for Chinese SpotLED displays. The app lets you create and preview frame‑based LED animations before sending them to SpotLED hardware via BLE.

Features

• Pixel editor with drawing, erasing, clearing, and whole-frame shifting tools.
• Frame timeline with add/remove, previous/next navigation, and copy-from-previous shortcuts.
• Undo/redo history per frame for quick corrections.
• PNG monochrome image importing.
• Animation options for built-in SpotLED effects and playback speed.
• Text mode with optional two-line display and effect controls.
• Project save/load to JSON files plus direct BLE upload to SpotLED devices.

Get it on github: https://github.com/ordigital/spotled-gui

This content originally appeared on DEV Community and was authored by Adam Mateusz Brożyński