#New Product# Seeeduino XIAO Expansion Board – explore infinite possibilities of Seeeduino XIAO

After several months design and improvement according to users’ feedbacks , we are so thrill to announce that besides the Grove Shield for Seeeduino XIAO, we now have one more member in XIAO family – Seeeduino XIAO Expansion Board! Let’s have a first glance of final design——

Main Features

Seeeduino XIAO Expansion Board enables build prototype and project in easy and quick way. With its rich peripherals, you could explore infinite possibilities of Seeeduino XIAO.

  • Quick Prototyping: Easy debug and Reset with RESET button and SWD pin led out to male header. 0.96”OLED, enables visual data display without PC serial monitor.
  • Rich peripherals: OLED display, RTC, expandable memory space, passive buzzer, user button, on board battery management chip… One board on hand to explore infinite possibilities of Seeeduino XIAO. 
  • Circuit Python Supported: Well supports circuit python. Mini SD card slot enables memory space expand, making it possible to allocate more libraries needed in prototyping and project building.
  • Mini Size: Compact and elegant with only half Raspberry Pi 4 size, perfect for tiny and wearable projects.

Mini Size

Many users adore Seeeduino XIAO because of its mini size and elegant design, so we try our best to keep the size as mini as we could when persuing the powerful function and rich interfaces. As you could see, the board is of only half Raspberry Pi 4 size.

Thouth it is designed to be such a tiny board, you may find that it has almost all useful functions you may want to build a prototype with and very rich peripherals.

Hardware Overview

Rich peripherals on board including:

  • OLED display: Visual data display without connecting to PC, which enables debug in a more efficient way, and builds application such as a sensor hub, data monitor system, .etc
  • RESET button: No more jumper wire and short circuit, easy reset with just one click. 
  • SWD debug: 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, enable maintain accurate time when the main power is turned off.
  • Expandable memory: With a mini SD card slot on the back, no worry on memory limit any more when adding libraries and using circuit python.
  • User button: Besides the RESET button, also provide with another user-defined button.
  • Passive buzzer: Same passive buzzer on Wio Terminal, with which you could change the PMW frequency to award different beep sound to get a “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, supports both USB and lipo battery power supply, and easy onboard battery recharge.
  • 5V servo connector: 5V output led out to male header for 5V servo and sensor connection.

High Cost Performance

Though with all these rich peripherals, you may find Seeeduino XIAO Expansion Board also has very high cost performance as Seeeduino XIAO does.

Application

DEMO

Summary

Seeeduino XIAO has become one of the hottest products in the Seeeduino series since its release. You may adore its small size and elegant design, powerful CPU powered by SAMD21, or rich interfaces of GPIOs, but no matter what reason makes Seeeduino XIAO attract to you, now you have one more reason now – Seeeduino XIAO Expansion Board, which will definitely help you to explore infinite possibilities with Seeeduino XIAO.

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