Seeed Studio XIAO nRF52840 Supports Arduino Micro/CircuitPython Ble
📦 Location of the warehouse: China
Free Shipping from $50 in the US, $70 for non-continental US
- US Delivery Time: 2~7 Business days.
- Non-Continental US Delivery Time: 3~9 working days.
- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.
- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.
Seeed Studio XIAO nRF52840 Supports Arduino Micro/CircuitPython Ble
The Seeed Studio XIAO nRF52840 is a powerful, ultra-compact development board based on the Nordic nRF52840 SoC, offering robust Bluetooth Low Energy (BLE) support. Designed for versatility, the Seeed Studio XIAO nRF52840 fully supports Arduino programming and MicroPython/CircuitPython, making it an ideal choice for wireless applications, wearable devices, and low-power IoT projects.
Despite its lovely tiny size, Seeed Studio XIAO nRF52840 packs a punch with its rich peripheral interfaces and ultra-low power consumption, enabling flexible, real-world deployment in a wide range of applications.
Key Features
-
Powerful nRF52840 SoC: Built on a 32-bit ARM Cortex-M4F processor with 1MB Flash and 256KB RAM.
-
Bluetooth 5.0 & BLE Support: Seamless wireless connectivity for smart devices and IoT solutions.
-
Arduino Micro Form Factor: Compatible with Arduino IDE for rapid prototyping and development.
-
Micro/CircuitPython Support: Program easily with Python for enhanced versatility and learning.
-
Ultra-Compact Design: Small size, perfect for embedded systems, wearables, and compact projects.
-
Low Power Consumption: Ideal for battery-powered applications.
-
Rich Peripheral Interfaces: Supports I2C, UART, SPI, PWM, ADC, and more.
Specification
To better support IoT and TinyML AI projects, there is an advanced version "Seeed Studio XIAO nRF52840 Sense" that carries an extra 6-axis IMU and a PDM microphone.
|
Item |
Seeed Studio XIAO nRF52840 |
Seeed Studio XIAO nRF52840 Sense |
|
Processor |
Nordic nRF52840 |
|
|
ARM® Cortex®-M4 with FPU runs up to 64 MHz |
||
|
Wireless |
Bluetooth 5.0/NFC |
|
|
On-chip Memory |
1 MB flash and 256 kB RAM |
|
|
Onboard Memory |
2 MB QSPI flash |
|
|
Interface |
1xUART, 1xIIC, 1xSPI, 1xNFC, 1xSWD, |
|
|
11xGPIO(PWM), 6xADC |
||
|
Sensors |
/ |
Onboard PDM digital microphone |
|
Onboard 6-axis IMU |
||
|
Dimensions |
21 x 17.8mm |
|
|
Power |
Circuit operating voltage: 3.3V@200mA |
|
|
Charging current: 50mA/100mA |
||
|
Input voltage (VIN): 5V |
||
|
Standby power consumption: <5μA |
||
Hardware Overview
Onboard
PinOut
Back
Application Scenarios
-
Wireless IoT Devices
Build ultra-compact, battery-powered IoT devices with the Seeed Studio XIAO nRF52840, taking advantage of its low power consumption and BLE 5.0 connectivity.
-
Wearable Technology
Thanks to its miniature size and versatile interfaces, the Seeed Studio XIAO nRF52840 is perfect for designing fitness trackers, smart jewelry, and health monitors.
-
Smart Home Controllers
Create smart home solutions such as lighting controls, security sensors, and automation hubs with the robust wireless capabilities of the Seeed Studio XIAO nRF52840.
-
Remote Sensors and Data Loggers
Utilize the ultra-low power features of the Seeed Studio XIAO nRF52840 to deploy remote monitoring systems that run efficiently for extended periods.
-
BLE Beacons and Communication Nodes
Develop BLE beacons, proximity sensors, or wireless communication nodes using the reliable Bluetooth 5.0 stack built into the Seeed Studio XIAO nRF52840.
-
Education and STEM Projects
The Seeed Studio XIAO nRF52840 supports Arduino and Python programming, making it an ideal learning tool for coding, electronics, and IoT education.
Why Choose the Seeed Studio XIAO nRF52840?
The Seeed Studio XIAO nRF52840 seamlessly combines the ease of Arduino programming with the flexibility of MicroPython and CircuitPython, offering a highly versatile platform for makers, developers, and educators alike. Whether you're building a mini Bluetooth device, designing smart wearable gadgets, or creating a scalable IoT sensor network, the Seeed Studio XIAO nRF52840 provides the performance, low-power operation, and compact form factor needed to bring your ideas to life.
With its ultra-compact size, rich peripheral support, and robust BLE 5.0 connectivity, the Seeed Studio XIAO nRF52840 is the ultimate choice for anyone seeking powerful wireless solutions without compromise.
Shipping list
|
Seeed Studio XIAO nRF52840 (pin not included) |
x1 |
|
7 Pin Header |
x2 |
Reference
Related Article
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
-
Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
-
Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
-
We can ship all in-stock orders within 1 business day as your order has been confirmed.
-
All items are inspected before dispatch and are carefully hand-packed.
-
With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
2. Shipping Options & Rates (United States)
(For Products in the US Warehouse & Global Warehouse)
2.1 Continental U.S. (50 States)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 3-7 Business Days |
| USPS Ground Advantage | $5.00 - $50.00 | $5.99 | 3-7 Business Days |
| USPS Ground Advantage | Over $50.00 | Free | 3-7 Business Days |
|
USPS Priority Mail (Faster Option) |
$0.00 - $50.00 | $19.99 | 1-4 Business Days |
| USPS Priority Mail | Over $50.00 | $17.59 | 1-4 Business Days |
2.2 Non-Continental U.S.
(Includes Alaska, Hawaii, Puerto Rico, Guam, Virgin Islands, etc.)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 5-9 Business Days |
| USPS Ground Advantage | $5.00 - $70.00 | $7.99 | 5-9 Business Days |
| USPS Ground Advantage | Over $70.00 | Free | 5-9 Business Days |
Important Notice:
- Before placing your order, please check the inventory location on the product page to confirm the delivery timeframes.
- For products stored in the Global Warehouse (Shenzhen), we will ship them directly from China.
- If you place an order for products from both the U.S. warehouse and the Global warehouse, we will ship your order separately: the products from the Global warehouse will be sent from China, and the products from the U.S. warehouse will be sent from the U.S. warehouse.
3. Warehouse Locations
Our products are stored in both our U.S. and Global warehouses to provide more flexible logistics solutions. On each product's description page, we indicate the specific warehouse location.
3.1 U.S. Warehouse
For products stored here, we use USPS for shipping. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days.
3.2 Global Warehouse (China)
Located in Shenzhen, Guangdong.
For orders shipping from our Global Warehouse, we typically use YunExpress. Given the complexities of international shipping, the estimated delivery time is around 10 business days, though this may vary due to customs processes.
4. Customs and Taxes
Effective Date: December 10, 2025
At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.
1. Warranty Policy
A. Standard Limited Warranty (Global & US)
For customers in the United States, Asia, and other non-EU regions:
-
Warranty Period: OpenELAB provides a 12-month warranty from the date of delivery.
-
Coverage: This warranty covers defects in material and workmanship under normal use.
-
Resolution: We will repair or replace defective units at no charge.
B. Statutory Rights for EU/UK Customers (EU Compliance)
If you are a consumer residing in the European Union or the UK purchasing from our global site:
-
Statutory Guarantee: You are entitled to a 24-month statutory guarantee for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.
-
Relation: The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.
C. Warranty Exclusions (Applies to ALL Regions)
Warranty coverage is VOID if the damage is caused by:
-
Misuse: Incorrect installation, reverse polarity, or exceeding voltage limits.
-
Unauthorized Modification: This explicitly includes soldering, cutting pins, modifying the PCB, or flashing unauthorized/beta firmware that "bricks" the device.
-
Physical Damage: Drops, moisture/water damage, or electrical surges (lightning).
-
Normal Wear & Tear: Consumable parts (e.g., batteries), unless defective upon arrival.
Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.
2. Return & Refund Policy
A. Return Window
-
Standard: You may request a return within 30 days of receiving your order.
-
EU Customers: You have the statutory right to withdraw from the contract within 14 days of receipt without giving a reason.
B. Refund Conditions & Restocking Fees
To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.
1. Full Refund (100%)
-
The item is Brand New, Unopened, and Unused.
-
The original packaging is intact and sealed.
-
All accessories are present.
2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct a Restocking Fee (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:
-
Signs of Use: Visible scratches, mounting marks on screw holes, or fingerprints.
-
Damaged Packaging: Original box is torn, written on, or missing.
-
Technical Modification: The device has been powered on, programmed/flashed, or soldered.
-
Broken Seals: Anti-static bags or security seals have been opened.
Depending on the severity of the usage/damage, the deduction may range from 15% to 50% of the product price. Items damaged beyond repair due to misuse will not be refunded.
C. Shipping Costs
-
Defective / Wrong Item: OpenELAB covers the return shipping cost.
-
Customer Remorse (Changed Mind / Ordered Wrong Item): The customer is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.
3. Return Process (RMA)
To ensure a smooth return process, please follow these steps:
-
Authorization: Contact us at info@openelab.io before returning any item. Returns without prior authorization will not be accepted.
-
RMA Number: We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.
-
Packing: Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).
-
Tracking: We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
