e-chain

e-chain helps you design and write artwork to supported NFC-powered e-paper keychain displays. Choose your Waveshare 1.54-inch panel, add a photo or text, tune brightness, contrast, saturation, exposure, sharpness, dithering, and panel colors, then send the finished image by holding your iPhone near the NFC tag. Features: - Supports Waveshare 1.54-inch NFC-powered e-paper B and G panels - Photo import with live e-paper preview - Text overlays with repeat and spacing controls - Three-color and four-color panel palettes - Dithering and direct color modes - Local saved drafts and recent images - NFC write progress with clear status updates