Seeed Studio XIAO nRF52840 Sense TinyML/TensorFlow Lite IMU / Microphone – Bluetooth5.0


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SKU: 1461586
  1. Onboard IMU and PDM
  2. Processor: ARM Cortex-M4 with FPU runs up to 64 MHz
  3. Wireless: Bluetooth 5.0/NFC
  4. On-chip Memory: 1 MB flash and 256 kB RAM



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Category: Bluetooth and NRF Modules
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 Sense is carryingBluetooth 5.0 wireless capability and is able to operate with low power consumption. Featuring onboard IMU and PDM, it can be your best tool for embedded Machine Learning projects.

  • Small and flexible wearable device
  • Wifi/Bluetooth-controlled wireless connection project
  • Embedded Machine Learning Project
  • IoT and TinyML AI applications
  • Great for mini Arduino projects

Useful link:

XIAO nRF52840


  1. Versatile Microcontroller: Incorporate the Nordic nRF52840 chip with FPU, operating up to 64 MHz, mounted multiple development ports, supported by Arduino / CircuitPython
  2. Wireless Capabilities: Implement Bluetooth 5.0, BLE functions with onboard antenna, also provide NFC connectivity
  3. Elaborate Power Design: Provide ultra-low power consumption as 5 μA in deep sleep mode while supporting lithium battery charge management
  4. Advanced onboard Functionality: Assemble additional digital microphone and 6-axis IMU in the tiny board for embedded Machine Learning applications
  5. Thumb-sized Design: 21 x 17.5mm, Seeed Studio XIAO series classic form factor, suitable for wearable devices

Package Includes:

1 x Seeed Studio XIAO nRF52840 Sense TinyML/TensorFlow Lite IMU / Microphone – Bluetooth5.0


SKU: 1461586 Category: Tag:

ARM® Cortex®-M4 with FPU runs up to 64 MHz

Bluetooth Version

Bluetooth 5.0/NFC


Onboard 6-axis IMU, Onboard PDM digital microphone

Flash Memory

1 MB flash and 256 kB RAM

Program Memory Size (kB)

2048 Kb qspi flash


11xGPIO(PWM), 6xADC, 1xUART, 1xIIC, 1xSPI, 1xNFC, 1xSWD,

Shipping Weight 0.003 kg
Shipping Dimensions 10 × 7 × 1 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the 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.

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Country Of Origin: China