Seeed Studio XIAO nRF52840 Sense

15,200 AMD

XIAO nRF52840 Sense is a tiny wireless development board for wearables, portable instruments and battery-powered IoT. Its Nordic nRF52840 combines a 64 MHz Arm Cortex-M4F with 256 KB RAM, 1 MB internal flash and 2 MB onboard flash. Bluetooth LE 5.4, Bluetooth Mesh and NFC support connected products, while the Sense version adds an LSM6DS3TR-C six-axis motion sensor and a PDM microphone for gesture, movement and sound input. The 21 × 17.8 mm board exposes 11 GPIO and 6 ADC channels, and includes USB-C programming and lithium-battery charging. It can be developed with Arduino, MicroPython or CircuitPython; check the board pinout and voltage limits before attaching peripherals.

Specifications

Nordic nRF52840 · Arm Cortex-M4F 64 MHz · 256 KB RAM · 1 MB SoC flash + 2 MB onboard flash · BLE 5.4 / Mesh / NFC · 6-axis IMU + PDM microphone

SoC

Nordic nRF52840

CPU

Arm Cortex-M4F, 64 MHz

RAM

256 KB

Flash

1 MB SoC + 2 MB onboard

Wireless

Bluetooth LE 5.4, Bluetooth Mesh, NFC

Sensors

LSM6DS3TR-C 6-axis IMU; PDM microphone

I/O

11 GPIO / 6 ADC

Power

USB-C; Li-ion battery charging

Dimensions

21 × 17.8 mm

Arduino, MicroPython and CircuitPython. Follow the nRF52840 Sense pinout and 3.3 V logic limits in the manufacturer guide.

One XIAO nRF52840 Sense board (SKU 102010469). Headers, cable and battery are not confirmed; verify the supplier packing list.

In stock