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