Seeed Studio XIAO SAMD21
20 in stock
Delivery & Return Rules
Quick Returns
Explanation: We aim for a smooth return experience.
Policy: Returned items will be processed within 3–5 business days of receiving the item, and you will be notified once the return is approved.
Exchange for Misquoted Items
Explanation: We take full responsibility for product listing accuracy.
Policy: If the item you received is significantly different from its description or image, you can request an exchange.
Wrong or Damaged Products
Explanation: We ensure product quality and accurate shipping.
Policy: If you receive an incorrect product or one that is damaged during shipment, you are eligible for a free exchange.
Complete Package Assurance
Explanation: Your order should arrive complete and in perfect form.
Policy: If any accessory, component, or part is missing from the package, we will ship the missing parts after confirmation.
Video Proof of the Items
Explanation: Helps verify the condition of the product upon delivery.
Policy: An unboxing video is mandatory at the time of opening the package. The video must clearly show the sealed package being opened, the product, and all included components. This is required for any claims related to:
- Missing items
- Damaged products
- Wrong deliveries
Without this video proof, we will not be able to process returns or exchanges.
No Warranty for Electronic Products
Explanation: Most electronic items are sold as-is and cannot be returned once used.
Policy: Electronic products are not covered under warranty. We recommend testing the item as soon as you receive it. Exchanges are only allowed if the product is damaged on arrival or incorrectly delivered.
Return Request Timing
Explanation: We operate within a strict return window.
Policy: All return/exchange requests must be submitted within 10 days (local orders) and 20 days (bulk orders) from the invoice date.
Online Return Requests Only
Explanation: Streamlined and trackable process.
Policy: All return and exchange requests must be raised through our official website.
Proof of Purchase Required
Explanation: Ensures authenticity of your claim.
Policy: A copy of your invoice or order confirmation is required for any return, exchange, or or claim.
TECHNICAL DOCUMENTATION FILES
Description
The Seeed Studio XIAO SAMD21, which used to be named Seeeduino XIAO, is the first debut of the Seeed Studio XIAO family, a series of powerful thumb-size dev boards compatible with Arduino. It carries the powerful ATSAMD21G18A-MU which is a low-power microcontroller. On the other hand, this little board has good performance in processing but needs less power. It is designed in a tiny size and can be used for wearable devices and small projects.
Seeed Studio XIAO SAMD21 has 14 PINs, which can be used for 11 digital interfaces, 11 mock interfaces, 10 PWM interfaces (d1-d10), 1 DAC output pin D0, 1 SWD pad interface, 1 I2C interface, 1 SPI interface, 1 UART interface, Serial communication indicator (T/R), Blink light (L) through pin multiplexing. The colors of LEDs(Power, L,RX,TX) are green, yellow, blue, and blue. Moreover, Seeed Studio XIAO SAMD21 has a Type-C interface that can supply power and download code. There are two reset buttons, you can short-connect them to reset the board.
Features
- Powerful CPU: ARM® Cortex®-M0+ 32bit 48MHz microcontroller(SAMD21G18) with 256KB Flash,32KB SRAM.
- Flexible compatibility: Compatible with Arduino IDE.
- Easy project operation: Breadboard-friendly.
- Small size: As small as a thumb(21×17.8mm) for wearable devices and small projects.
- Multiple development interfaces: 11 digital/analog pins, 10 PWM Pins, 1 DAC output, 1 SWD Bonding pad interface, 1 I2C interface, 1 UART interface, 1 SPI interface.
Specification
| Item | Value |
|---|---|
| CPU | ARM Cortex-M0+ CPU(SAMD21G18) running at up to 48MHz |
| Flash Memory | 256KB |
| SRAM | 32KB |
| Digital I/O Pins | 11 |
| Analog I/O Pins | 11 |
| I2C interface | 1 |
| SPI interface | 1 |
| QTouch | 7 (A0,A1,A6,A7,A8,A9,A10) |
| UART interface | 1 |
| Power supply and downloading interface | Type-C |
| Power | 3.3V/5V DC |
| Dimensions | 21×17.8×3.5mm |
Hardware Overview
Package Includes
- 1 x Seeed Studio XIAO SAMD21
| Origin | China |
|---|
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