Seeed Studio XIAO nRF52840 Plus - 20 GPIOs, Low Power, Bluetooth5.0 with Onboard Antenna, Arduino / Micropython / CircuitPython Support
Feature
Inspired by the unique SMD pins design of the RICK TNY, we're now introducing the Seeed Studio XIAO Plus boards (available in XIAO nRF52840 Plus, XIAO nRF52840 Sense Plus, and XIAO ESP32S3 Plus) to include an updated design of more castellations and a new pad layout on the back.
Seeed Studio XIAO nRF52840 Plus, powered by Nordic chipset with FPU, brings more SMD pins to our popular Bluetooth-enabled board. While maintaining all the capabilities of the standard version including Bluetooth 5.0, NFC, and low power consumption, this Plus variant features redesigned castellations and pad layout on the back, offering 9 additional GPIOs specifically for advanced Bluetooth projects requiring expanded I/Os via SMD board-to-board soldering.
High-Performance MCU: Nordic Semiconductor‘s nRF52840 chip with FPU at 64 MHz, multiple development ports, compatible with Arduino/CircuitPython/MicroPython
Advanced Wireless Connectivity: Bluetooth 5.0 with built-in antenna and NFC support
Efficient Power Management: 5 μA deep sleep consumption with integrated Li-ion battery charging
Expanded 20 GPIOs: 9 extra 1.27mm pitch SMD castellation pins beyond standard XIAO nRF52840
Universal Compatibility: Standard backside layout (with aligned battery pads, and debugger pads) for more to-be-released XIAO expansion boards
Classic XIAO Form Factor: 21 x 17.8mm design with 2.54mm pin headers, single-sided mounting for wearables and space-constrained projects
XIAO Accessory Add-ons Compatibility: Natively compatible with all the XIAO accessory add-ons of expansion, connectivity modules (LoRa, CAN_Bus, RS-485), sensors (2-Mic Array, Vision AI, mmWave Motion, Environmental sensing), and actuators (ePaper display, LED Matrix, relay and more).
As a new addition to theSeeed Studio XIAO family, the XIAO nRF52840Plus remains the classic XIAO design (thumb-size, SMD, stamp holes). All these features make it a perfect fit for either space-limited applications, or a production-ready System on Module (SoM) for your PCBA designs. (check out our Fusion Co-Create one-stop prototyping, producing and promoting services to explore how to scale up your XIAO-based designs).
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.
Specification
Item
Seeed Studio XIAO nRF52840
Seeed Studio XIAO nRF52840 Plus
Seeed Studio XIAO nRF52840 Sense Plus
Processor
Nordic nRF52840, ARM® Cortex®-M4 32-bit processor with FPU, 64 MHz
Wireless Connectivity
Bluetooth 5.0/BLE/NFC
Memory
256KB RAM,1MB Flash 2MB onboard Flash
Built-in Sensors
N/A
6 DOF IMU (LSM6DS3TR-C), PDM Microphone
Interfaces
1xI2C, 1xUART, 1xSPI
1xI2C, 2xUART, 2xSPI, 1xI2S
PWM/Analog Pins
11/6
20/6
Onboard Buttons
Reset Button
Onboard LEDs
3-in-one LED/ Charge LED
Battery Charge Chip
BQ25101
Programming Languages
Arduino/MicroPython/CircuitPython
Hardware Overview
Onboard
PinOut
XIAO nRF52840 back vs XIAO nRF52840 Plus back
Application
Wearable devices
IoT Wireless devices
Embedded machine learning projects
Mini Arduino projects
Documents
Getting Started with Seeed Studio XIAO nRF52840 Series | Seeed Studio Wiki Schematic Nordic nRF52840 Data Sheet
ECCN/HTS
HSCODE
8543709990
USHSCODE
8543708800
UPC
EUHSCODE
8543709099
COO
CHINA
Part List
Seeed Studio XIAO nRF52840 Plus
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Please note Seeed Studio XIAO Plus doesn‘t come with 7-pin headers as it's designed for SMD board-to-board soldering. If you'd love to have the 7-pin headers, make sure to add them to the cart.
[Wiki] Getting Started with Seeed Studio XIAO nRF52840 Series As the first wireless product in the Seeed Studio XIAO family, Seeed Studio XIAO nRF52840 is equipped with a powerful Nordic nRF52840 MCU which integrates Bluetooth 5.0 connectivity. Meanwhile, it has a small and exquisite form-factor which can be used for wearable devices and Internet of Things projects.
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