2025-02-17 18:43:50 -05:00

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# RoyalBlue54L Feather
An ARM + RISC-V Feather board with the new nRF54L15, built-in debugger, and smart PMIC
<p align="center">
<img src="img/board.jpg" alt="RoyalBlue54L Feather">
</p>
## Overview
The RoyalBlue54L--familiar Feather formfactor with distinctive features. Nordic's next-gen nRF54L15, an onboard CMSIS-DAP debugger + UART bridge, and smart power-management features from the nPM1300 enable rapid development for your next Bluetooth 6.0, Thread, Matter, Zigbee, Amazon Sidewalk, or proprietary wireless project.
Pre-launch on Crowd Supply - More details coming soon!
## Hardware Features
* Dual-core processing power:
* ARM Cortex-M33 at 128MHz
* RISC-V co-processor at 128MHz
* Comprehensive memory configuration:
* 1.5MB of non-volatile memory (NVM)
* 256KB of RAM
* 2MB external flash
* Advanced wireless capabilities:
* BLE 6.0 support with channel sounding for distance estimation
* 4Mbps PHY for proprietary wireless protocols
* 30-50% power reduction compared to nRF52 series
* Integrated development tools:
* CMSIS-DAP debugger (nRF52833-based)
* USB-to-UART bridge
* Open source, Zephyr RTOS-based firmware
* Smart power management:
* USB-C charging up to 800mA with nPM1300
* High-accuracy battery fuel gauge
* Connectivity:
* JST-PH connector
* STEMMA-QT/Qwiic port
* NFC antenna connector
* User interfaces:
* User LED
* RGB LED (nPM1300-driven)
* User button
* Reset button
## Repository Contents
This repository contains the hardware design files for the RoyalBlue54L Feather. The board is designed with KiCAD and includes:
* Schematic files
* PCB layout
* Bill of Materials (BOM)
* Manufacturing files
* Documentation
## Pinout
<p align="center">
<img src="img/pinout.png" alt="RoyalBlue54L Pinout">
</p>
## Related Repositories
* [Zephyr Board Support](https://github.com/LordsBoards/RoyalBlue-nRF54L15-Zephyr-Boards)
* [Debugger Firmware](https://github.com/LordsBoards/RoyalBlue-nRF54L15-Debugger-Firmware)
## License
Hardware files are released under CERN-OHL-V2-P.