Seeed Studio XIAO nRF52840

SeeedStudioSKU: RB-See-856
Manufacturer #: 102010448

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Sale price ¥1,928

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  • Seeed Studio XIAO nRF52840
  • Offers a tiny Bluetooth LE development board
  • Designed for IoT and AI applications
  • Features an onboard antenna
  • Equipped a powerful Nordic nRF52840 MCU
  • Onboard 2 MB flash

The Seeed Studio XIAO nRF52840 is an ultra-small size, ultra-low power Bluetooth development board based on the Nordic nRF52840. It features an onboard Bluetooth antenna, onboard battery charging chip, and 21 x 17.5 mm thumb size, which makes it ideal for IoT projects.

Seeed XIAO BLE has equipped a powerful Nordic nRF52840 MCU which is designed in a Bluetooth 5.0 module, built around 32-bit ARM Cortex-M4 CPU with Floating-Point Unit (FPU) operating at 64 Mhz. With the capability of wireless connection, it still remains the Seeed XIAO series classic form-factor of small and exquisite which can be used for wearable devices and Internet of Things projects.

  • 1x Seeed Studio XIAO nRF52840
  • 21 x 17.5 mm (L x W)

  • Processor: ARM Cortex-M4 with FPU run up to 64 MHz
  • Wireless: Bluetooth 5.0 / NFC / Zigbee / Antenna
  • On-chip Memory: 1 MB flash and 256 kB RAM
  • Onboard Memory: 2 MB QSPI flash
  • Antenna: Yes
  • Interface: 1xUART, 1xIIC, 1xSPI, 1xNFC, 1xSWD, 11xGPIO (PWM), 6xADC


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

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