Resources:
Expansion Board Base for XIAO with Grove OLED – Seeed Studio
The Expansion Board Base for XIAO with Grove OLED is a compact, feature-rich development base designed to unlock the full potential of Seeed Studio’s XIAO series (XIAO RP2040, XIAO ESP32C3, XIAO ESP32S3, XIAO nRF52840, XIAO SAMD21, etc.). It integrates a bright 0.96-inch Grove OLED display, lithium-battery charging and management circuitry, multiple Grove interfaces, and a well-designed pin breakout structure—making it ideal for rapid prototyping, IoT development, and educational projects.
This expansion board greatly enhances usability by providing an onboard power switch, charging indicator, and a clean compact form factor. With complete Grove ecosystem compatibility, developers gain access to 300+ plug-and-play Grove modules, enabling fast experimentation without soldering. Whether you are building a data logger, wearable interface, smart sensor node, or portable device, this base board delivers simplicity, functionality, and a seamless development experience.
Key Features
- Integrated 0.96-inch Grove OLED Display
Crisp, high-contrast screen for data display, UI elements, system information, and debugging.
- Lithium Battery Charging & Management
Built-in battery charging IC with safe charging, protection, and real-time power indication.
- Grove Ecosystem Compatibility
Includes Grove I2Cx2 and Grove UARTx1 ports, enabling plug-and-play connectivity to 300+ Grove modules.
- Full XIAO GPIO Breakout
All 14 XIAO pins are broken out with clear labeling, allowing customization and expansion.
- Compact, Breakable Design
Modular structure lets developers break off sections if needed for smaller enclosures or custom layouts.
- SPI-Flash Bonding Pad Reserved
Supports additional flash expansion for advanced applications.
- Onboard Power Switch & Charging Indicator
Easy control and immediate visual feedback for battery and power states.
- Perfectly Compatible with All Seeed XIAO Boards
Supports the full XIAO lineup with seamless mechanical and electrical integration.
Hardware Overview
Onboard
Package List
