Seeed Studio XIAO BLE nRF52840

(2 customer reviews)

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SKU: 1201741
  1. Powerful CPU: Nordic nRF52840, ARM® Cortex™-M4 32-bit processor with FPU operating at 64 MHz
  2. Bluetooth 5.0
  3. Wireless connect
  4. Onboard 2 MB flash
  5. Embedded machine learning projects
  6. BQ25101 chip supported lithium battery charge management



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2.54mm 1x40 Pin Male Single Row Straight Long Header Strip (Pack of 3) ₹ 157
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Category: USB Interface Module
Tags: Seeed Studio XIAO

Note: Due to small size heating issue will be generated, but will not affect the working of the product.
To avoid excessive heating you can use external heatsink.



Seeed Studio XIAO Series are diminutive development boards, sharing a similar hardware structure, where the size is literally thumb-sized. The code name “XIAO” here represents its half feature “Tiny”, and the other half will be “Puissant”.

Seeed Studio XIAO nRF52840 is carrying wireless capability for the first time and it supports Bluetooth 5.0, also able to operate with low power consumption. It will be your best microcontroller for Bluetooth applications.

Pinout Diagram of Seeed Studio XIAO BLE nRF52840:

Useful Link:

Getting Started with Seeed Studio XIAO BLE nRF52840



  1. Wearable devices
  2. Wireless connect
  3. Embedded machine learning projects
  4. Perfect for mini Arduino projects
  5. Tiny Machine Learning application


  • Versatile Microcontroller: Incorporate the Nordic nRF52840 chip with FPU, operating up to 64 MHz, mounted multiple development ports, supported by Arduino / CircuitPython
  • Wireless Capabilities: Implement Bluetooth 5.0, BLE functions with onboard antenna, also provide NFC connectivity
  • Elaborate Power Design: Provide ultra-low power consumption as 5 μA in deep sleep mode while supporting lithium battery charge management
  • Thumb-sized Design: 21 x 17.5mm, Seeed Studio XIAO series classic form factor, suitable for wearable devices
  • Perfect for Production: Breadboard-friendly & SMD design, no components on the back

Package Includes:

1 x Seeed Studio XIAO BLE nRF52840


SKU: 1201741 Category: Tag:

Bluetooth 5.0/NFC/Zigbee

On-chip Memory

1 MB flash
256 kB RAM

Onboard Memory

2 MB QSPI flash


1xUART, 1xIIC, 1xSPI, 1xNFC, 1xSWD,

 Power Circuit

operating voltage: 3.3V@200mA
Charging current: 50mA/100mA
Input voltage (VIN): 5V/
Standby power consumption:  <5μA


21 x 17.5mm

Shipping Weight 0.008 kg
Shipping Dimensions 10 × 7 × 1 cm
3 Months Warranty

This item is covered with a standard supplier warranty of 3 months from the time of delivery against manufacturing defects only. This is a quality product & only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 2 reviews

3.0 overall

Add a review

  1. Friction

    Good wireless controller


  2. adipotnis (verified owner)

    The SEEED xiao was a disappointing board. It started in the first bootup but after using once it stopped displaying as arduino/ circuitpython board. I tried st-link, jtags but no avail.
    I recommend anyone considering this to spend a bit more and invest in the more reliable adafruit ble boards available on robu


nRF52840 Datasheet

Questions and answers of the customers

    Does it have a built in LSM6DS3 accelerometer in t... Read more
  1. 0 votes
    Q Does it have a built in LSM6DS3 accelerometer in this module version? answer now
    Asked by jeromemoses05 on April 12, 2024 9:59 pm

    Yes, the Seeed Studio XIAO BLE nRF52840 Sense ... Read more

  2. how many bits ADC it has inbuilt ? ADC input volta... Read more
  3. 0 votes
    Q how many bits ADC it has inbuilt ? ADC input voltage range answer now
    Asked by santronmeditronic on July 3, 2023 5:57 pm

     It has 6xADC   inbuilt ADC

Only registered users are eligible to enter questions
Country Of Origin: China

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