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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
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4.6 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 4
Design worthy
Size: 2' x 3' (Natural shape, Sheepksin, Oblong), Color: Ivory White
Good looking and thick and solid and comfortable.
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Reviewed in the United States on September 26, 2025
★★★★★ 5
Soft and luxurious, high quality - but don't buy if you have cats
Color: Ivory White, Size: 2' x 6' (Sheepskin Shape)
I give the rug a five-star rating because it deserves it. I was really surprised at how good the rug is right out of the package (it was packaged very well too). Because this rug is relatively less expensive than many other listings of natural sheepskin rugs on Amazon and elsewhere, I wasn't expecting much. But it turned out to be thick, soft, fluffy, plush, and luxurious all over. Many years ago I have purchased another natural sheepskin rug from Amazon described to be of the same size as this one (I got the 2'*6' one), but this one is definitely much bigger in its actual size. It's hands-down a high-quality, high-value purchase if you want a nice natural sheepskin rug. I also love how beautiful the natural creamy white color is.
Now, the story takes a turn. It does have a "natural and organic" smell as mentioned in many other reviews. The smell itself is not repulsive. I don't know how long it will take for it to air out (my last rug never really got rid of the smell, but it was not a big issue since I put it on the floor. I lost the rug in cross country moving.) But now I have a cat! My cat just couldn't resist tackling the rug the moment it was laid on the floor. She probably imagined herself to be a lion or a tiger who just caught some big prey. She couldn't stop kicking and biting the rug, trying to tear it apart. She came back to it a few times after breaks already. And this is day one. I am guessing this smell does stimulate some instinctive call from her genes. In a few short moments, she managed to tear off quite some fur from the edge of the rug... The rug still looks fine since I just received it today. I am not sure how long it will last with my cat though. Before ordering, I thought about this possibility and googled whether cats and sheepskin rugs can co-exist. I got many cute picture results showing angelic cats resting contently in the long and soft sheepskin fur, looking totally adorable and peaceful. Many articles say that natural rugs calm our fluffy friends down. Well, I told myself "perfect!" Win-win for me and my cat. Now, here we are, the beginning of my cat's conquest of an imaginary lamb (which was a real lamb.) I cannot even return it since it has already been damaged by my cat... In the worst case, this rug would become a really expensive cat entertainment piece that would eventually be destroyed....:((( I even started feeling guilty for buying animal-based products - but then comforted myself by remembering reading somewhere that cow and lamb leather goods come from animals that would be slaughtered for meat consumption anyways. My cat is already eating canned food containing Australian lamb, etc, etc. Really need to stop the thoughts.
So this is my review. Beautiful rug of excellent quality and unbeatable value, unless you have a cat(s).
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Reviewed in the United States on April 3, 2022
★★★★★ 5
Good quality, nice looking, cozy
Color: Cream Brown, Size: 2 x 6 ft Sheepskin
Good quality, accurate color. Perfect length for floor beside queen size bed.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Perfect for a queen bed
Color: Tan, Size: 2' x 6' (Sheepskin Shape), Color: Tan, Size: 2' x 6' (Sheepskin Shape)
I LOVE this rug. I’m so glad I bought this instead of a cheap dupe. Reasonably priced, arrived quickly, doesn’t smell. It’s super soft and fluffy and really dense, so far I haven’t noticed any shedding. The size is perfect for draping across a queen bed. The color is beautiful and feels very natural. I might buy a second one for my bus conversion! Thank you so much!
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Reviewed in the United States on May 5, 2026
★★★★★ 5
It's perfect!
Color: Snow Grey, Size: 2' x 3' (Sheepskin Shape)
Gorgeous and soft! We love it! Very quality fur.
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Reviewed in the United States on April 20, 2026