The nRF54L15 development board, available as the nRF54L15 Connect Kit, is built to support developers with multiprotocol wireless connectivity. Introduced by MakerDiary in August 2025, the compact board features Nordic Semiconductor’s nRF54L15 SoC, which integrates a 128 MHz Arm Cortex-M33 core and a 128 MHz RISC-V coprocessor for efficient, high-performance IoT prototyping.
To simplify development, it includes an onboard nRF52820 Interface MCU that provides USB-C debugging, programming, and serial communication, removing the need for external tools. The board supports a wide range of protocols including Bluetooth LE 6.0, Thread, Zigbee, Matter, NFC, and proprietary 2.4 GHz modes, offering versatile wireless options in a compact, developer-friendly form factor.
MakerDiary nRF54L15 Connect Kit Specifications:
- Wireless MCU: Nordic Semiconductor nRF54L15 SoC
- CPU: Arm Cortex-M33 @ 128 MHz
- RISC-V coprocessor for software-defined peripherals
- Memory: 256 KB SRAM
- Storage: 1.5 MB Non-volatile Memory (NVM)
- Wireless:
- Bluetooth LE 6.0 (with Channel Sounding)
- Thread, Zigbee (IEEE 802.15.4-2020)
- Matter, Amazon Sidewalk
- Proprietary 2.4 GHz protocols (up to 4 Mbps mode)
- NFC
- Interface MCU: Nordic Semi nRF52820
- CPU: Arm Cortex-M4 @ 64 MHz
- Memory: 32 KB RAM
- Storage: 256 KB Flash
- Wireless: Bluetooth 5.2 LE & 802.15.4 radios (not used in this board)
- Features: CMSIS-DAP debugger, USB-UART bridge, shell interface, UF2 bootloader
- USB / Connectivity:
- USB Type-C port for programming & power
- CMSIS-DAP support for debugging and firmware updates
- UART bridge for logging and terminal access
- Expansion / I/O:
- Dual 20-pin headers (castellated) with 31x multi-function GPIOs
- 8x ADC-capable pins
- I/O voltage: configurable 1.8 V or 3.3 V
- SWD debug port, USB, reset test pads
- Miscellaneous:
- User and DFU/RST buttons
- 1x user LED for nRF54L15
- LEDs for Bootloader, UART, and CMSIS-DAP (nRF52820)
- U.FL connectors for external 2.4 GHz & NFC antennas
- Power:
- 5 V via USB-C or 1.8–5.5 V via VSYS pin
- TPS63901 buck-boost converter (75 nA quiescent current)
- Selectable I/O power at 1.8 V or 3.3 V
- Dimensions and weight: 55.88 × 20.32 mm | 15 gm
The board is supported by the nRF Connect SDK, built on Zephyr RTOS, and comes with a wide range of ready-to-use software samples including BLE Beacon, Channel Sounding, Thread CLI, and NFC message handling. It also provides a command-based Interface MCU shell for quick access to board-specific features.
The nRF54L15 Connect Kit ships with either loose or pre-soldered headers and includes external antennas for 2.4 GHz (Bluetooth/Wi-Fi) and 13.56 MHz (NFC). MakerDiary offers detailed documentation, a getting started guide, and code samples on its Wiki and GitHub repository to help developers get started quickly.
The nRF54L15 development board is sold exclusively through MakerDiary’s online store, with the loose-header version priced at $21.90 and the pre-soldered option available for $22.90 (shipping and taxes not included).
All images are courtesy of Makerdiary.
Editor 