Powerful CPUAs the first wireless product in the Seeed XIAO family, Seeed Studio XIAO nRF52840 has equipped a powerful Nordic nRF52840 MCU which is designed in a Bluetooth 5.0 module, built around 32-bit ARM Cortex-M4 CPU with Floating-Point Unit (FPU) operating at 64Mhz.
Wireless CapabilitiesXIAO nRF52840 has Bluetooth 5.0 NFC module with an onboard antenna. With the capabilities of wireless connection, it still remains the Seeed XIAO series classic form-factor of small and exquisite which can be used for wearable devices and Internet of Things projects.
Rich InterfaceFirstly, the Near Field Communication (NFC) is functional on the board. Secondly, there is a tiny and elegant reset button on one side of the Type-C interface. On the other side, it is designed in a three-in-one LED along with power LED. It supports UART, IIC, and SPI all three common serial ports. Same as Seeed XIAO RP2040, it has an onboard 2 MB flash which means it can also be programmed by Arduino, MicroPython, CircuitPython, or other program languages.
Ultra-low Sleep Power5 A, deep sleep model with battery charging chip: BQ25101 chip supported lithium battery charge management.
Ultra-small Size21 x 17.5 mm, Seeed Xiao series classic form-factor for wearable devices.
Part List: Seeed XIAO BLE nRF52840*1/7 Pins Header*2.