Seeed Studio XIAO nRF54L15 Ultra-Low Power BLE6.0 Matter Thread Zigbee

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🤏✨ The Seeed Studio XIAO nRF54L15 packs exceptional IoT power into a thumb-sized footprint, built on Nordic’s nRF54L15 SoC featuring a 128 MHz Arm Cortex-M33 core and 1.5 MB NVM.

🌐 Designed for cutting-edge wireless ecosystems, it supports:

  • BLE 6.0, Matter, Thread, and Zigbee protocols

  • Ultra-low power consumption—perfect for battery-based devices

  • 16 GPIOs, USB Type-C, and onboard charging support

🔒 Advanced security mechanisms ensure reliable and robust deployments across diverse environments.

👨💻 Developers can streamline their workflow with:

  • The Nordic nRF Connect SDK

  • PlatformIO integration

  • Full Zephyr RTOS compatibility

Feature

⚡️ Powerful SoC with Advanced Connectivity & Security The XIAO nRF54L15 is powered by Nordic’s latest nRF54L15 SoC, featuring a 🔄 128 MHz Arm Cortex-M33 core with 1.5 MB NVM, plus a 🔐 dedicated RISC-V security coprocessor for elevated protection.

📡 Seamless wireless protocol support:

  • BLE 6.0, Matter, Thread, Zigbee (IEEE 802.15.4-2020)

  • 🚀 New 4 Mbps mode for proprietary 2.4 GHz protocols

  • 🌍 Ecosystem-ready: Amazon Sidewalk, Apple Find My, Google Find My Device (via nRF Connect SDK)

🛡️ Advanced security suite includes:

  • Secure boot & firmware updates

  • Protected storage & TrustZone support

  • Cryptographic acceleration with side-channel protection

  • Tamper detection for resilient deployments

🔋 Ultra-Low Power Efficiency Ideal for battery-powered scenarios, with:

  • 🌱 0.6μA in System OFF mode

  • 🔌 Integrated battery charging circuit

  • 📊 Final board-level power data coming soon

💻 Streamlined Development Experience Enjoy smoother workflows via:

  • 🧰 Full support for nRF Connect SDK

  • ⚙️ PlatformIO & Zephyr RTOS

  • 🚫 No current support for Arduino IDE

Specification

Product Name

Seeed Studio XIAO nRF54L15

Seeed Studio XIAO nRF54L15 Sense

XIAO nRF52840 - Tiny Arduino Board Supports Bluetooth 5.0

XIAO nRF52840 - Tiny Arduino Board Supports Bluetooth 5.0

Chipset

nRF54L15 ultra-low-power wireless SoC - nordicsemi.com

nRF52840 - Bluetooth 5.4 SoC - nordicsemi.com

Processor

Arm® Cortex®-M33 128 MHz

Arm® Cortex®-M4 32-bit processor with FPU 64 MHz

RISC-V 128 MHz Coprocessor

RAM

256KB

256KB

Flash

1.5 MB Non-volatile Memory (NVM)

1MB internal Flash + 2MB external Flash

Interface

16x GPIO(PWM) Pin

14x GPIO(PWM) Pin

11x GPIO(PWM) Pin

16x Digital Pin

14x Digital Pin

11x Digital Pin

6x Analog Pin

6x Analog Pin

6x Analog Pin

2x I2C

1x I2C

1x I2C

1x UART

1x UART

1x UART

2x SPI

2x SPI

1x SPI

1x NFC

1x NFC

1x NFC

Onboard

1x User LED (1 Color)

1x User LED (3 Colors)

1x Charge LED (Battery Charging Indicator)

1x Charge LED (Battery Charging Indicator)

1x Reset Button

1x BlueTooth Antenna

1x User Button

1x Reset Button

1x Onboard Ceramic Antenna

1x Onboard Ceramic Antenna

1x IPEX4 Connector (for external antenna)

/

/

1x 6-Axis IMU

/

1x 6-Axis IMU

1x PDM Microphone

1x PDM Microphone

Wireless Connectivity

Bluetooth LE 6.0(include Channel Sounding)

Bluetooth LE 5.2

Bluetooth Mesh

Bluetooth Mesh

NFC

NFC

Thread

Thread

Zigbee

Zigbee

Matter

Matter

Amazon Sidewalk

Proprietary 2.4 GHz protocols

Proprietary 2.4 GHz protocols

/

Power Input

Type-C: 5V

Battery: 3.7V

Low Power Mode

The test results will be finalized soon. Please stay tuned.

5uA

Software

Compatibility

Nordic nRF Connect SDK

Arduino IDE

PlatformIO

PlatformIO

Zephyr RTOS

MicroPython

/

CircuitPython

/

Zephyr RTOS

Working

Temperature

-40°C to 105°C

-40 to 85°C

Dimensions

21 x 17.8mm


Hardware Overview

FRONT

BACK

PinOut

Application

💡 Next-Gen Wearables Design ultra-compact 🩺 health trackers with extended battery life, or develop 💳 secure wearable payment devices using built-in NFC and advanced security features.

🏠 Secure Smart Home Hubs Create trustworthy 🧱 Matter-Thread border routers or 🌐 multi-protocol bridges to unify smart home devices into a single, secure network.

🏭 Industrial IoT (IIoT) Sensors Engineer smart ⚙️ IIoT sensors that run TinyML 🧠 for predictive maintenance, with 🔐 hardware-level security to maintain data integrity.

🔧 Advanced Prototyping Use it as a flexible 🛠️ developer tool for debugging cross-protocol networks or rapidly building proof-of-concept 💡 wireless solutions with low power consumption.


ECCN/HTS


HSCODE 8543709990
USHSCODE 8517180050
UPC
EUHSCODE 8543709099
COO CHINA


Part List

Seeed Studio XIAO nRF54L15

X1

7-Pin Header (2.54mm)

X2

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