Hey PCBWay community, I'm an enthusiast for hardware and firmware projects, with a background in crafting keyboards and exploring IoT technologies. I'm introducing a high-efficiency board powered by a dual-core nRF5340 BLE SoC and nPM1300, boasting features like 1M + 256 kB of flash memory, 512kB + 64kB of RAM, 32 MB external QSPI flash, and a 30% current consumption reduction compared to the nRF52840.