Seeeduino XIAO Expansion Board

Features Seeeduino XIAO Expansion Board

• OLED Display: Visual data display without connection to PC, enabling debugging in a more efficient way and enabling applications such as sensor hub, data monitor system, etc.
• RESET button: Easy reset with just one click.
• SWD Debugging: SWD pin led out as male pin header, making debugger connection and firmware download much easier.
• High-precision RTC: High-precision real-time clock with battery backup, allows to keep accurate time when the main power is turned off.
• Expandable Memory: With a MicroSD card slot on the back, you don't have to worry about the memory limit when adding libraries and using circuit python.
• User button: In addition to the RESET button, provide another user-defined button.
• Passive Buzzer: The same passive buzzer on Wio Terminal, which allows you to change PMW frequency to assign different beep sound to get "buzzer music".
• Grove connectors: All pin-LED-out, plug-and-play grove connectors support common data protocols (Grove IIC2, Grove UART1, A0/D0 Grove*1)
• Lipo Battery Charging: JST2.0mm standard lipo battery connector and battery management system, support both USB and lipo battery power and easy on-board battery charging.
• 5V Servo Connector: 5V output led to male header for 5V servo and sensor connection.

Specifications Seeeduino XIAO Expansion Board