Seeed Studio Round Display for XIAO A sleek, circular 39mm expansion board designed for all XIAO development boards. Its fully-covered touch interface offers intuitive control, while the compact layout integrates an RTC holder, charging circuitry, and a TF card slot. Ideal for interactive projects in smart homes, wearables, and IoT displays. Feature Capacitive Touch Screen Expansion Board 1.28-inch round display · 240×240 resolution · 65K colors for vibrant, crystal-clear visuals. High Compatibility Works seamlessly with all XIAO series boards — perfect for upgrading or expanding existing builds. Rich Peripheral Integration Includes RTC holder , battery charging chip , TF card slot , and JST 1.25 connector — all packed into a compact footprint. Watch-Sized Design 39mm circular layout makes it ideal for wearables and tight-space applications. Plug & Play Convenience No soldering required! All pins are fully accessible for fast, hassle-free prototyping. Seeed Studio Round Display for XIAO – Compact Touchscreen Extension Board This sleek circular expansion board features a 1.28-inch capacitive touch screen with 240×240 resolution and 65K colors, delivering vivid and detailed visual output. Designed as a radiant 39mm disc, it integrates seamlessly with all XIAO development boards . Rich Integration in a Mini Form Factor On the reverse side, it packs impressive onboard features: RTC holder for precise timekeeping TF card slot supporting up to 32GB FAT for external storage Lithium battery charging chip & JST 1.25 battery connector All housed within a compact 39×39mm square footprint. Plug & Play Simplicity All XIAO pins are fully exposed—no soldering required. This means faster prototyping and effortless integration into your existing projects. Perfect for Wearables and Interactive Devices Whether you're crafting a programmable smartwatch , wearable indicator , or sensor dashboard —this extension board offers a visually striking and technically capable solution. Application Programmable Touch Watch – Smart, customizable, and gesture-ready Wearable Indicator – Compact notifications at a glance Visible Control Center – Your dashboard, always within reach Gaming Devices – Touch-responsive, interactive fun Interactive Displays – Bring your data and ideas to life Documents Charge IC datasheet ETA3410 datasheet RTC PCF8563 datasheet [The 3D model diagram of the shell for Round Display] XIAO Reference Design 3D Printing "Case" Studies HSCODE 8543909000 USHSCODE 8543708800 UPC EUHSCODE 8543709099 COO CHINA Part List Seeed Studio Round Display for XIAO x1 APP Download SuqareLine Studio