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Seeed Xiao BLE nRF52840 Sense - TensorFlow Lite, IMU, Microphone and Bluetooth 5 - Seeedstudio 102010469
0
Description
Seeedstudio presents the innovative Xiao BLE nRF52840 compact board, powered by an advanced Nordic nRF52840 ARM Cortex M4 processor clocked at 64 MHz. This versatile platform offers integrated Bluetooth 5.0, NFC and ZigBee modules, enabling the development of advanced AI and TinyML applications.
Also on board is a 6-axis IMU sensor, ideal for gesture recognition in TinyML projects. Featuring a BQ25101 battery charging circuit and a multitude of interfaces, including 1x UART, 1x I2C, 1x SPI, 1x NFC, 1x SWD, 11x GPIO, 6x ADC, this 21 x 17.5mm board is perfect for creating powerful mobile wireless solutions.
The module also includes a MSM261D3526H1CPM microphone and is equipped with a USB type C interface for programming, powering and charging the Li-Pol 3.7V battery. With 2 MB Flash memory and compatibility with Arduino, MicroPython, CircuitPython, Xiao BLE the nRF52840 combines compact size with impressive functionality and versatility.
Main features of the Seeed Xiao BLE nRF52840 Sense module
- Processor: Nordic nRF52840, ARM Cortex M4 32-bit with FPU, running at 64 MHz
- Wireless connectivity: Bluetooth 5.0, NFC and ZigBee, integrated Bluetooth antenna
- Sizes: 21 x 17.5 mm, ideal for integrated solutions
- Power consumption: just 5 μA in deep sleep mode
- Charging circuit: BQ25101, compatible with lithium batteries
- Interfaces: 1x reset button, 1x UART, 1x I2C, 1x SPI, 1x NFC, 1x SWD, 11x GPIO, 6x ADC, 1x LED 3in1, 1x LED
- Memory: 2 MB built-in Flash memory for data and application storage
- Microphone: Built-in, capable of real-time audio capture, perfect for audio recognition projects
- IMU sensor: 6-axis, working with TinyML for gesture recognition
- Construction: All components surface mounted on one side of the board
- Application: Optimal for innovative IoT projects and smart clothing
- TinyML compatibility: Ideal for AI applications, combining sensing, processing and communication in a single solution
Examples of application of the Seeed Xiao nRF52840 Sense module:
- Application to clothing: Designed for integration into clothing, offering comfort and functionality
- Wireless connectivity: Enables fast and efficient communication without cables
- Machine learning functions: Includes built-in algorithms and designs for advanced ML applications.
- Compatibility with IoT and TinyML: Perfect for Internet of Things and artificial intelligence projects at the micro scale
- Application in Arduino projects: Optimum choice for compact and efficient implementations based on the Arduino platform
Specification:
- Processor: Nordic nRF52840, ARM Cortex-M4 clocked at 64 MHz
- Wireless connectivity: Bluetooth 5.0, NFC and ZigBee for versatile communication
- Processor memory: 1 MB Flash memory and 256 kB RAM
- Tile memory: 2 MB QSPI Flash memory
- Interfaces:
- 1x UART
- 1x I2C
- 1x SPI
- 1x NFC
- 1x SWD
- 11x GPIO (with PWM support)
- 6x ADC
- Sensors: PDM digital microphone and 6-axis IMU
- Operating voltage: 3.3 V / 200 mA
- Charging current: 50 mA / 100 mA
- Input voltage: 5 V
- Standby current consumption: Maintains below 5 μA, highlighting energy efficiency
- Dimensions: Compact 21 x 17.5 mm design, enabling flexible applications
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