Bluetooth LE Development Board

Features

• Seeed XIAO BLE nRF52840 Sense development board

• Nordic nRF52840 ARM® Cortex®-M4 processor with FPU up to 64 MHz

• Wireless Bluetooth 5.0/NFC/Zigbee

• Onboard memory 1 MB flash and 256 kB RAM

• 2 MB QSPI flash on-board memory

• UART, IIC, SPI, NFC, SWD, x11 GPIO, x6 ADC, three-in-one LED and user LED

• Built-in digital microphone, can receive audio data in real time, which can be used for audio recognition.

• Built-in 6-axis IMU (inertial measurement unit), which can be used in TinyML projects such as gesture recognition.

• Ultra-low standby power consumption: 5 μA, deep standby model.

• Supports lithium battery charge management

• Reset button

• Power supply operating voltage: 3.3V@200mA

• Charging current: 50mA/100mA

• Input voltage: 5V

• Dimensions 21 x 17.5 mm

Note: All I/O pins are 3.3V, please do not input more than 3.3V, otherwise the processor may be damaged.