Seeed Studio XIAO nRF52840 – Bluetooth5.0

SKU: XIA-001
  • Bluetooth 5.0 Support: Equipped with Nordic’s nRF52840 chip, providing advanced Bluetooth 5.0 capabilities for stable and extended-range wireless communication.
  • Low Power Consumption: Designed for energy efficiency, making it ideal for battery-powered Bluetooth applications.
  • Compact and Powerful: Combines a small form factor with a powerful microcontroller, suitable for space-constrained projects.
  • Versatile Connectivity: Perfect for IoT and Bluetooth projects, offering reliable wireless connections and diverse peripheral support.

12,52

Availability: 200 in stock (can be backordered)

The Seeed Studio XIAO nRF52840 by Nordic 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.

 

XIAO nRF52840 Feature

  • Versatile Microcontroller: Incorporate the Nordic nRF52840 chip with FPU, operating up to 64 MHz, mounted multiple development ports, supported by Arduino / CircuitPython / Micropython
  • 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 17.8mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices
  • Perfect for Production: Breadboard-friendly & SMD design, no components on the back

Note: XIAO SoM User Manual open-sources all hardware and software materials of XIAO, providing professional product design guidelines to help you accelerate ideas off the ground, streamline product design, providing a seamless experience from module selection to mass production. You can check here to see more info.

 

Xiao Parameter Comparison

Product XIAO SAMD21 XIAO RP2040 XIAO BLE XIAO BLE SENSE XIAO ESP32C3
Main Chip SAMD21 RP2040 nRF52840 nRF52840 ESP32-C3
RAM 32 KB SRAM 264 KB SRAM 256 KB RAM 256 KB RAM 400 KB SRAM
Flash (Chip) 256 KB × 1 MB 1 MB 4 MB
Flash (Board) × 2 MB 2 MB 2 MB ×
Analog Pins 11 4 6 6 4
I2C/UART/SPI
Bluetooth × ×
LED ×
WiFi × × × ×
Reset Button ×
Boot Button ×
On-board Heat Dissipation × ×
6-axis IMU Sensor × × × ×
Charging IC ×
Supported Programming Languages Arduino Arduino/MicroPython/CircuitPython Arduino/MicroPython/CircuitPython Arduino/MicroPython/CircuitPython Arduino

CPU of XIAO nRF52840

  • Digital signal processing (DSP) instructions
  • Single-cycle multiply and accumulate (MAC) instructions
  • Hardware divide
  • 8- and 16-bit single instruction multiple data (SIMD) instruction:5
  • Single-precision floating-point unit (FPU)

 

XIAO nRF52840 Application

  • Wearable devices
  • Wireless connect
  • Embedded machine learning projects
  • Perfect for mini Arduino projects
  • Tiny Machine Learning application

Specification

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

Attention:

All the I/O pins are 3.3V, please do not input more than 3.3V, otherwise, the CPU may be damaged.

  • Onboard

XIAO nRF52840_

  • PinOut

XIAO nRF52840_7

  •  Back

XIAO nRF52840_8

Documents

Include

Seeed Studio XIAO nRF52840 (pin not included) x1
7 Pin Header x2

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