Seeed Studio Expansion Board for Seeeduino XIAO

This Expansion Board for the Seeeduino XIAO provides the microcontroller with a variety of accessories. For example, the board has an OLED display, a buzzer and a microSD card adapter. In addition, the module also contains a connection for a Li-ion/Li-Po battery, and an on-off switch that makes this board even more user-friendly.

Specifications:

• Input voltage: 3.3V DC or 5V DC (via Seeeduino XIAO) or 3.7V from a Li-ion/Li-Po battery
• Built-in display:
  • Diagonal: 0.96 inch
  • Resolution: 128x64
  • Type: OLED
  • Pixel color: White
  • Communication: I2C
  • Driver: SSD1306
• Built-in Li-ion/Li-Po battery charging circuit:
  • Maximum charging current: 460mA
• Battery protection circuit: No (apply yourself!)
• Battery connector: 2p JST-PH
• Built-in RTC: PCF8563T
• Built-in battery holder for CR1220 RTC battery
• Built-in buzzer
• Built-in push button
• Built-in microSD card adapter
• 4 Grove interfaces:
  • 2x I2C
  • 1x UART
  • 1x A0/D0
• On-off switch present
• For pinout and dimensions, see images

Package contents:

• 1x Seeeduino XIAO Expansion Board

See the following page for more information: Seeeduino XIAO Expansion Board

Note: Seeeduino XIAO and RTC battery not included