This is the pre-soldered version of Seeed Studio XIAO nRF54L15 Sense, which is a powerful yet compact development board built around Nordic's nRF54L15 SoC, featuring a 128 MHz Arm Cortex-M33 core with 1.5 MB NVM. This thumb-sized board excels in modern IoT applications with comprehensive wireless connectivity including BLE 6.0, Matter, Thread, Zigbee, and Amazon Sidewalk protocols. With ultra-low power consumption, it's ideal for battery-powered IoT devices. The tiny board offers 14 GPIOs, USB Type-C interface, and onboard battery charging capabilities. This version integrates an onboard digital microphone and a 6-axis IMU for audio and motion sensing. Enhanced security features ensure robust protection for IoT deployments. Developers can leverage the Nordic nRF Connect SDK and PlatformIO with Zephyr RTOS support for efficient development workflows.
- Powerful SoC with Advanced Connectivity & Security
XIAO nRF54L15 Sense (Pre-Soldered) is built on Nordic's nRF54L15 SoC with a 128 MHz Arm Cortex-M33 core (1.5 MB NVM) and dedicated RISC-V security coprocessor. This dev board supports multiple wireless protocols including BLE 6.0, Matter, Thread, and Zigbee (IEEE 802.15.4-2020). It also features new 4 Mbps mode for proprietary 2.4 GHz protocols. And it's compatible with major ecosystems like Amazon Sidewalk, Apple Find My, and Google Find My Device through nRF Connect SDK. Comprehensive security features include secure boot, secure firmware updates, secure storage, TrustZone-enabled trusted execution environment, cryptographic acceleration with side-channel protection, and tamper detection, ensuring robust protection for IoT deployments.
- Ultra-Low Power Efficiency
XIAO nRF54L15 Sense (Pre-Soldered) is optimized for long-life battery-powered applications, leveraging the Nordic nRF54L15 SoC's industry-leading efficiency (0.6uA in the chip's System OFF mode) and an integrated battery charging circuit. Final board-level power consumption data is currently being verified for accuracy and will be announced soon.
- Audio and Motion Sensing
XIAO nRF54L15 Sense (Pre-Soldered) integrates a high-quality digital microphone and a 6-axis IMU, making it ready for voice and motion-based projects out of the box.
- Streamlined Development Experience
Full support for Nordic nRF Connect SDK and PlatformIO (Zephyr) enables efficient embedded development workflows. (Note: Arduino IDE is not currently supported)
- Solder-Free for Instant Creation
The pre-soldered headers mean you can start creating immediately - just unbox and plug into your breadboard. No soldering iron, no waiting, no hassle. Perfect for rapid prototyping, educational workshops, beginner-friendly projects, and time-sensitive development. Because great ideas shouldn't wait for solder to cool.
Product Name | Seeed Studio XIAO nRF54L15 (Pre-Soldered) | Seeed Studio XIAO nRF54L15 Sense (Pre-Soldered) | ||
Chipset | ||||
Processor | Arm® Cortex®-M33, 128 MHz | ARM®Cortex®-M4 32-bit processor with FPU, 64 MHz | ||
RISC-V,128 MHz （Coprocessor） | ||||
RAM | 256 KB | 256KB | ||
Flash | 1.5 MB Non-volatile Memory (NVM) | 1MB internal Flash + 2MB external Flash | ||
Interface | GPIO（PWM） Pin x16 Digital Pin x16 Analog Pin x6 I2C x2 UART x1 SPI x2 | GPIO（PWM） Pin x14 Digital Pin x14 Analog Pin x6 I2C x1 UART x1 SPI x2 | GPIO （PWM）Pin x11 Digital Pin x11 Analog Pin x6 I2C x1 UART x1 SPI x1
| |
Onboard | User LED (1 Color) x1 Charge LED (Battery Charging Indicator) x1 Reset Button x1 User Button x1 Onboard Ceramic Antenna x1 IPEX4 Connector (for external antenna) x1 | User LED (3 Colors) x1 Charge LED (Battery Charging Indicator) x1 BlueTooth Antenna x1 Reset Button x1 | ||
/ | 6-Axis IMU x1 PDM Microphone x1 | / | 6-axis IMU x1 PDM Microphone x1 | |
Wireless Connectivity | Bluetooth LE 6.0（include Channel Sounding） Bluetooth Mesh NFC Thread Zigbee Matter Amazon Sidewalk proprietary 2.4 GHz protocols | Bluetooth LE 5.4 Bluetooth MeshNFC Thread Zigbee Matter proprietary 2.4 GHz protocols | ||
Power | Input Voltage (Type-C): 5V Operating Voltage: 3.3V | Input Voltage (Type-C): 5V Operating Voltage: 3.3V | ||
Low Power Mode | The test results will be finalized soon. Please stay tuned. | 5μA | ||
Software Compatibility | Nordic nRF Connect SDK，PlatformIO, Zeph +yr | Arduino IDE, PlatformIO, MicroPython, CircuitPython, Zephyr | ||
Working Temperature | -40°C to 105°C | -40 to 85°C | ||
Dimensions | 21 x 17.8mm | |||
Varients | The 3PCS Pack and Pre-Soldered Varients will be available soon. Stay tuned. | -Seeed Studio XIAO nRF52840 Sense (Pre-Soldered) -Seeed Studio XIAO nRF52840 Sense (3PCS)
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- FRONT
- BACK
- PinOut
- Wearable Devices
Create intelligent wearables for all-day use, from fitness trackers that perform complex sensor fusion to secure smart rings that support gesture control and NFC payments.
- Smart Home & IoT Hubs
Build a secure Matter-Thread border router or a central hub that bridges multiple wireless protocols, with the capability to handle voice commands via wake-word detection.
- Industrial IoT (IIoT) Sensors
Develop intelligent industrial sensors that perform on-device TinyML for predictive maintenance, while ensuring data integrity and device security with hardware-level protection.
- Advanced Prototyping
Function as a versatile developer tool for debugging multi-protocol networks or rapidly creating proof-of-concept designs for secure, low-power wireless products.
- Seeed Studio XIAO nRF54L15 Sense Schematic
- Seeed Studio XIAO nRF54L15 Sense KiCAD Libraries
- Seeed Studio XIAO nRF54L15 Sense Dimension in DXF
- Seeed Studio XIAO nRF54L15 Sense pinout sheet
Seeed Studio XIAO nRF54L15 Sense(Pre-Soldered) | X1 |
| HSCODE | 8543709990 |
| USHSCODE | 8517180050 |
| UPC | |
| EUHSCODE | 8543709099 |
| COO | CHINA |
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