This is the Tape & Reel version of Seeed Studio XIAO nRF52840 Plus by Nordic. This packaging format is designed for automated SMT assembly and high-volume production.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.

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.

Note:

This 101991464, Seeed Studio XIAO nRF52840 Plus(Tape & Reel) is specifically designed for Surface Mount Technology (SMT) production. This variant comes in a Tape & Reel package for seamless integration into automated assembly lines and does not include pin headers.

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, 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 the Seeed Studio XIAO family, the XIAO nRF52840 Plus 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.

Specifications:

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 : 1xI2C

1xUART : 2xUART
1xSPI : 2xSPI
1xI2S