SKU: 28683157242

Seeeduino XIAO Expansion Board

Sale price$9.07 Regular price$10.08
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Seeeduino XIAO Expansion BoardFeatures Quick Prototyping: Easy debug and Reset with RESET button and SWD pin led out to the male header. 0. 96" OLED, enables visual data to 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. No Soldering Needed: All pin led out. Convenient plug and play Grove connectors

Features

  • Quick Prototyping: Easy debug and Reset with RESET button and SWD pin led out to the male header. 0.96" OLED, enables visual data to 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.
  • No Soldering Needed: All pin led out. Convenient plug and play Grove connectors support multiple data protocols, including IIC, Uart, Analog/Digital.
  • 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.

Seeeduino XIAO expansion Board is a powerful functional expansion board for Seeeduino XIAO of only half Raspberry Pi 4 size. It enables build prototype and project in an easy and quick way. With its rich peripherals, you could explore infinite possibilities of Seeeduino XIAO. Circuit python is also well supported by this board.

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 MicroSD card slot on the back, no worry about the memory limit any more when adding libraries and using circuit python.
  • User button: Besides the RESET button, also provide 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.

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.

Applications

Specifications

Item Detail
Power Supply 5v / 3.7V Lithium Battery
RTC chip PCF8563T/5
RTC battery CR1220
Expandable memory MicroSD Card
Screen 0.96 OLED display
Other External Equipment Passive buzzer, user button, 5Vservo connector
charging current Max: 460mA
Grove Interface Grove I2C *2, Grove UART *1, A0/D0 Grove *1

Pinout

Supported Boards

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 28683157242

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4.3 ★★★★★
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Eddie R.
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★★★★★ 4
Not a long shot
Style: Sport, Size: 12in
This item is much smaller than I thought it would be . The ball is full sized . But the thrower is very small. Works okay. But does not throw the ball very far . It’s okay for me . My dogs are small. My yard is too . But , this is not going to throw balls really far . Like the long ones do Thsnks Eddie
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Reviewed in the United States on March 26, 2026
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Amazon Customer
Chelsea, US
★★★★★ 5
Perfect addition
Style: Sport, Size: 12in
This is item that I needed but didnt know it. Its been great for saving my sholder anad my dog loved the longer chase to get the ball. Easy to use and lots of fun
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Reviewed in the United States on May 18, 2026
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Jaclyn P.
Cuba, US
★★★★★ 5
I would buy this twice!
Style: Sport, Size: 12in
This Chuckit! Dog Ball Launcher 12M Sport is the perfect product for the dog park! It makes games of fetch so much easier and more fun — the long handle gives great reach, so I can launch balls super far without even bending over, and our dog goes absolutely wild chasing them. It’s comfortable to hold, works smoothly with 2.5" dog balls, and really saves your arm and back if you’re doing a lot of throwing. The design is sturdy and reliable, so we can play for longer without worrying about it snapping or wearing out. If you spend time at the dog park or love playing fetch, this launcher turns a regular game into something even better — our pup gets twice the exercise and we get to enjoy every minute of playtime!
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Reviewed in the United States on March 1, 2026
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Amanda Burns
Omaha, US
★★★★★ 5
Caution can cause addiction
Style: Sport, Size: 12in
My dog has become addicted to tennis balls because of this! She sees the blue handle and she immediately loses her mind! I love it because I don't have to bend down as far to pick up the ball, which is amazing after 2 back surgeries.
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Reviewed in the United States on February 25, 2026
S
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Sandy
Natrona Heights, US
★★★★★ 3
12 " too short, no direction.
Style: Sport, Size: 12in
I got the twelve inch handle. It is too short and does not flex enough to release ball in right direction. Its almost impossible to aim and doesn't sent the ball far enough.
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Reviewed in the United States on April 22, 2026

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