Handheld LED Banner
Turn your phone into a glowing LED sign: full-screen scrolling text with adjustable speed, size and colours, plus mirror mode.
2 / 8 lines, 60 characters each at most
Quick phrases
Pickup
Cheer
Love
Birthday
Display mode
Speed60px/s
Size160px
Colours
Text colour
Background
Preview
Preview is scaled down; it looks the same when held up
Speed is measured in pixels per second, so editing the text does not change how it feels; longer lines only look faster because they travel further.
Use mirror when showing the text through a car window, a mirror or the front camera — the reflection is what reads correctly.
Fullscreen requests a screen wake lock and tries to lock landscape; both are released on exit. Still turn the brightness up manually.
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