Quick answer
XIAO nRF52840 is a development board from Seeed Studio, listed under IoT. It uses the nRF52840 on a nRF52 core. It carries 1MB flash, 256KB RAM, 11 GPIO. Official framework support: Arduino, MicroPython, CircuitPython. Cortex-M4F at 64 MHz with 1 MB flash, BLE 5.4, NFC and USB-C for low-power Bluetooth and battery devices.
- Vendor
- Seeed Studio
- Architecture
- nRF52
- MCU
- nRF52840
- Clock
- 64MHz
- Flash
- 1MB
- RAM
- 256KB
- GPIO
- 11
- Current draw
- 5V / 3.7V BAT
- Focus
- IoT
Common questions
What is the XIAO nRF52840 development board?
XIAO nRF52840 is a development board from Seeed Studio, listed under IoT. It uses the nRF52840 on a nRF52 core. It carries 1MB flash, 256KB RAM, 11 GPIO. Official framework support: Arduino, MicroPython, CircuitPython. Cortex-M4F at 64 MHz with 1 MB flash, BLE 5.4, NFC and USB-C for low-power Bluetooth and battery devices.
What MCU and instruction architecture does XIAO nRF52840 use?
nRF52840 on a nRF52 core.
How much flash and RAM does XIAO nRF52840 have?
It carries 1MB flash, 256KB RAM, 11 GPIO.
What kind of projects is XIAO nRF52840 meant for?
ZouIC lists it under IoT, with official framework support for Arduino, MicroPython, CircuitPython.
How much power does XIAO nRF52840 draw?
The listed figure is 5V / 3.7V BAT.
Where can I find official material for XIAO nRF52840?
See the official community at https://wiki.seeedstudio.com/XIAO_BLE/; the purchase page at https://www.seeedstudio.com/Seeed-XIAO-BLE-nRF52840-p-5201.html.
XIAO nRF52840
Cortex-M4F at 64 MHz with 1 MB flash, BLE 5.4, NFC and USB-C for low-power Bluetooth and battery devices.
Quick specs
From vendor docsPeripherals
Frameworks
Technical Specifications
Processor info
Storage and memory
Official links and data notes
Specifications are compiled from public vendor materials for selection reference only. Licenses for hardware design files and documentation are determined by the vendor or project owner; ZouIC does not grant them.
Last verified 2026-10-28
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