Seeed Studio XIAO BLE nRF52840SKU 2079

Sensors & Modules

Seeed Studio XIAO BLE nRF52840

₹2,250

01 — About

What it does

The Seeed Studio XIAO BLE nRF52840 is a tiny Bluetooth Low Energy development board based on the Nordic nRF52840. It features BLE 5.0, USB-C, and an onboard antenna in an incredibly small form factor for wearable and IoT projects.

Key features

  • Nordic nRF52840 ARM Cortex-M4 with FPU
  • Bluetooth 5.0 / BLE / Mesh / NFC support
  • USB Type-C connector
  • Ultra-small size (21mm x 17.5mm)
  • Onboard ceramic antenna for BLE
  • battery for runtime monitoring
  • Low power consumption for battery projects

Good to know

  • Install Seeed nRF52 board support in Arduino IDE
  • USB bootloader supports drag-and-drop programming
  • Battery voltage divider on P0.31 – use analogRead for level
  • Some GPIO reserved for NFC by default
  • Tiny size requires fine-pitch soldering skills for custom connections

02 — Datasheet

Specifications

11
Processor
ARM Cortex-M4 64MHz
Bluetooth
BLE 5.0, Mesh, NFC
Flash Memory
1MB
SRAM
256KB
Operating Voltage
3.3V
Input Voltage
5V (USB-C)
GPIO Pins
11
ADC
12-bit, 8 channels
USB
Type-C
Dimensions
21mm x 17.5mm
Weight
1.7g