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TICKEY Is a Small Clip-On Badge With an E-Ink Display That Can Show 48 Colors, Built on an ESP32 TICKEY is a compact clip-on gadget that combines a 3.7-inch, 720 × 480 color e-paper display with an ESP32-S3 microcontroller, Wi-Fi, Bluetooth and NFC. Instead of behaving like a normal LCD or OLED screen, its e-paper display is designed to keep a static image visible without continuously consuming display power. Users can show pixel art, photos, digital badges, QR codes, notes or personal… |
