Seeed Studio XIAO MG24 Sense Silicon Labs EFR32MG24 BLE 5.3
š¦ 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 MG24 Sense Silicon Labs EFR32MG24 BLE 5.3
The Seeed Studio XIAO MG24 Sense is a compact, ultra-low-power development board designed for advanced IoT and AI applications. Measuring just 21 x 17.8 mm, it integrates the Silicon Labs EFR32MG24 SoC, featuring a 78 MHz ARM Cortex-M33 core with DSP instructions and a floating-point unit, providing robust processing capabilities for complex tasks .
Feature
- High Performance MCU:Ā Silicon Labs' EFR32MG24 SoC, 32-bit 78 MHz ARM CortexĀ®-M33 with DSP instruction
- Matter Native:Ā Compatible with MatterĀ® over ThreadĀ® and BluetoothĀ® Low Energy 5.3, Supported by the ArduinoĀ® Core
- Outstanding RF Performance:Ā Equipped with an on-board antenna with BLE range up to 50m in an open location with no signal interference, while reserving an interface for external UFL antenna
- Super-Low Power Design: Power consumption less than 1.95μA in sleep mode, ideal for battery-powered home automation application
- Advanced Onboard Sensors: Features additional analog microphone and 6-axis IMU for TinyML and edge AI applications such as pose perception for more responsive automation.
- Security Encrypted On-Chip:Ā A dedicated hardware secure engine containing its own CPU enables the Secure Vault functions.
- Rich On-Board Resources:Ā Additional 4MB Flash on board, on-board battery charging circuit, 19 GPIOs, LED
- Classic XIAO Design:Ā Remains the classic XIAO design of the thumb-size form factor of 21 x 17.8mm, and single-sided mount, making it perfect for space-limited projects such as wearables
- XIAO Accessory Add-ons and Kits Compatibility: Natively compatible with all the XIAO accessory add-ons and kits of Grove Expansion, CAN-Bus, LED Matrix, Vision AI Sensor, Round Display, GSP Module, 2-Mic Array, ePaper Display, mmWave sensor, LoRa Module and many more.

Being the 12th member of theĀ Seeed Studio XIAO family, the XIAO MG24 Sense remains the classic XIAO design (thumb-size, SMD,Ā stamp holes). All these features make it a perfect fit for either space-limitedĀ applications of smart home, or a production-ready unit for your PCBA designs.Ā
Ā
Specification
|
Product |
XIAO MG24 Sense |
|
|
Processor |
Silicon Labs EFR32MG24 |
Silicon Labs EFR32MG24 |
|
ARM Cortex-M33 @ 78MHz |
ARM Cortex-M33 @ 78MHz |
|
|
RAM |
256kB |
256kB |
|
Flash |
1536KB + 4MB Onboard |
1536KB + 4MB Onboard |
|
LEDs |
1Ā User LED, 1Ā Power LED |
1Ā User LED, 1Ā Power LED |
|
Sensors |
- |
Ā Onboard AnalogĀ Microphone Onboard 6-Axis IMU |
|
Interface |
22 Pins: 11x Analog,11x Digital, 1x I²C, 2x UART, 2x SPI, All PWM |
22 Pins: 11x Analog,19x Digital, 1x I²C, 2x UART, 2x SPI, All PWM |
|
Button |
1 RESETĀ Button |
1 RESETĀ Button |
|
Security |
Hardware Cryptographic Acceleration, True Random Number Generator, ARMĀ® TrustZoneĀ®, Secure Boot, Secure Debug Unlock etc. |
Hardware Cryptographic Acceleration, True Random Number Generator, ARMĀ® TrustZoneĀ®, Secure Boot, Secure Debug Unlock etc. |
|
Low power |
1.95μA |
1.95μA |
|
Normal |
6.71mA |
6.71mA |
|
Sleep |
1.91mA |
1.91mA |
|
SoftwareĀ Compatibility |
ArduinoĀ IDE |
Arduino IDE |
|
Working Temperature |
-20°C-70°C |
-20°C-70°C |
|
Dimensions |
21x17.8 mm |
21x17.8 mm |
Hardware Overview
Onboard

PinOut

Ā
Application
- Smart Home Devices: Using MatterĀ® for devices like smart locks, sensors, and lighting.
- Remote Controls: Low-power remotes for home automation systems
- TinyML Applications: On-device machine learning for gesture recognition and voice commands.
- Environmental Monitoring: Battery-powered sensors for temperature, humidity, and air quality.
Ā
| HSCODE | 8543709990 |
| USHSCODE | 8471500150 |
| UPC | |
| EUHSCODE | 8543709099 |
| COO | CHINA |
Ā
Part List
|
Seeed Studio XIAO MG24 Sense |
x1 |
|
7Ā Pin Header |
x2 |
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.
Ā
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 |
Ā Ā
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 |
Ā
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.
Ā Ā
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.
Ā
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:Ā OpenELAB provides aĀ 12-monthĀ warranty from the date of delivery.
-
Coverage:Ā This warranty covers defects in material and workmanship under normal use.
-
Resolution:Ā 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:Ā You are entitled to aĀ 24-month statutory guaranteeĀ for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.
-
Relation:Ā 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 isĀ VOIDĀ if the damage is caused by:
-
Misuse:Ā Incorrect installation, reverse polarity, or exceeding voltage limits.
-
Unauthorized Modification:Ā This explicitly includesĀ soldering, cutting pins, modifying the PCB, orĀ flashing unauthorized/beta firmwareĀ that "bricks" the device.
-
Physical Damage:Ā Drops, moisture/water damage, or electrical surges (lightning).
-
Normal Wear & Tear:Ā 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:Ā You may request a return withinĀ 30 daysĀ of receiving your order.
-
EU Customers:Ā You have the statutory right to withdraw from the contract withinĀ 14 daysĀ 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 isĀ 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 aĀ Restocking FeeĀ (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:
-
Signs of Use:Ā Visible scratches, mounting marks on screw holes, or fingerprints.
-
Damaged Packaging:Ā Original box is torn, written on, or missing.
-
Technical Modification:Ā The device has beenĀ powered on, programmed/flashed, or soldered.
-
Broken Seals:Ā Anti-static bags or security seals have been opened.
Depending on the severity of the usage/damage, the deduction may range fromĀ 15% to 50%Ā of the product price. Items damaged beyond repair due to misuse will not be refunded.
C. Shipping Costs
-
Defective / Wrong Item:Ā OpenELAB covers the return shipping cost.
-
Customer Remorse (Changed Mind / Ordered Wrong Item):Ā TheĀ customerĀ 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:Ā Contact us atĀ info@openelab.ioĀ before returning any item. Returns without prior authorization will not be accepted.
-
RMA Number:Ā We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.
-
Packing:Ā Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).
-
Tracking:Ā We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.








