⚡
Edits go live as you type — nothing to run, nothing to reload.
🔢
Drag any number to change it (tap it on a touchscreen for a slider).
Click a colour swatch to open a picker.
#
A # 0<x<1 comment sets a number's slider range.
●
If an edit breaks, the badge keeps running the last working code
while the preview status turns amber and the error is pinned to its line.
💾
Edits autosave as drafts; Ctrl+S keeps them as a program.
⚙
Write part of your app in C — ＋ → C module above the code.
It compiles to a native module the badge loads without any firmware
reflash; the preview runs a Python fallback.
How C modules work.
⬇
Works offline — the whole editor is cached after your first
visit (installable as an app from the browser menu). New versions
announce themselves with a reload bar.