E-Ink Wifi Bluetooth Watch - Open Source

The E-Ink WiFi Bluetooth Watch is a programmable smartwatch built on open-source hardware and software, giving you full control for customization and development. It features a 1.54-inch e-paper display with a 200 × 200 resolution, WiFi and Bluetooth connectivity for syncing weather, news, maps, and notifications, plus core functions such as a real-time clock, 24-hour display, world time, calendar, and alarm. Compact and lightweight, it includes a built-in USB-to-serial adapter for easy programming and comes with a watchband and USB cable.