ChromaBoard: LED Sign

ChromaBoard turns your iPhone or iPad into an eye-catching full-screen sign. Cheering at a concert, labeling a stall, guiding guests at an event or posting a quick notice — type your text, pick the look and tap Start. SCROLLING & STATIC TEXT • Smooth marquee in four directions, adjustable speed and spacing • Static text that auto-fits the screen • Separate fonts for Chinese and Latin text, any text and background color LED DOT-MATRIX • LED, round-dot and pixel styles with adjustable dot density COLOR FLASH • Pulse, strobe, crossfade, barber pole, palette flow and wave • Your own palette, speed and direction MULTI-SCREEN • Line up several phones and tablets as one big synchronized board • Join by nearby discovery, QR code or manual address MORE • Save and share styles with a QR code • Text history and emoji • Full brightness and screen kept awake while playing • iPhone Duo: two-column editor; stand it half-folded and the top half becomes a sign