Seeed Xiao BLE nRF52840 compatible with Arduino Bluetooth 5.0 with built-in antenna

Seeedstudio introduces its compact development board, powered by the advanced Nordic nRF52840 ARM Cortex M4 chip, running at 64 MHz. This versatile board provides wireless connectivity through Bluetooth 5.0 with built-in antenna, NFC and ZigBee, enabling innovative IoT projects. It also features the BQ25101 battery charging chip and a variety of communication interfaces, opening the door to creating mobile, wireless solutions. In addition, the board is suitable for developing artificial intelligence applications using TinyML, offering a wide range of possibilities for engineers and hobbyists.

The Xiao BLE nRF52840, the latest addition to the Seeed Xiao series from Seeedstudio, is a compact solution for electronics enthusiasts. A similar version to the Seeed Xiao BLE nRF52840 Sense, this development board differs in the absence of an IMU sensor and PDM microphone. However, it offers an impressive range of communication interfaces in a small 21 x 17.5mm space, including 1x UART, 1x I2C, 1x SPI, 1x NFC, 1x SWD, 11x GPIO, 6x ADC, 1x LEDN 3in1 and 1x user LED.

Programming of this board is possible via the USB Type-C interface, which is also used for power and battery charging. With 2 MB of Flash memory, the Xiao BLE nRF52840 is compatible with Arduino, MicroPython, CircuitPython and other popular programming languages, making it ideal for a wide range of projects, from simple applications to advanced embedded systems.

10 features Seeed Xiao BLE module nRF52840

1. High Quality Processor: Equipped with Nordic nRF52840, ARM Cortex M4 32-bit with FPU, running at 64 MHz.
2. Advanced Wireless Connectivity: Includes Bluetooth 5.0, NFC and ZigBee with built-in Bluetooth antenna.
3. Compact Dimensions: It has an ultra-small size of 21 x 17.5 mm.
4. Low Current Consumption: Ultra-low standby power consumption of just 5 μA.
5. Battery Charging Circuit: Includes the BQ25101 chip for handling lithium batteries.
6. Wealth of Interfaces: Features 1x reset button, 1x UART, 1x I2C, 1x SPI, 1x NFC, 1x SWD, 11x GPIO, 6x ADC, 1x 3-in-1 LED, 1x user LED.
7. Built-in Flash Memory: 2 MB Flash memory for data and programme storage.
8. One-sided Component Construction: All components placed by surface method on one side of the board.
9. Ideal for IoT Projects and Smart Clothes: Perfect for creating smart solutions and wearable gadgets.
10. Capable of TinyML: Suitable for artificial intelligence projects, offering 3-in-1 sensing, processing and communication functions.

5 Example applications of the Seeed Xiao nRF52840 module:

1. Dress variety: Ideal for creating smart clothing and accessories with electronics.
2. Wireless Communication: Enables easy wireless connections in a variety of projects.
3. Built-in Machine Learning Projects: Perfect for integration with advanced machine learning algorithms.
4. IoT and AI TinyML applications: Adapted for Internet of Things (IoT) and micro-scale artificial intelligence (TinyML) projects.
5. Module for Arduino Projects at Miniature Scale: Ideal for miniature projects based on the Arduino platform.

Specification:

• Processor: Powerful Nordic nRF52840, ARM Cortex-M4, clocked at 64 MHz.
• Wireless connectivity: Support for Bluetooth 5.0, NFC, ZigBee.
• Chip memory: 1 MB of Flash memory and 256 kB of RAM.
• Board memory: 2 MB QSPI Flash memory.
• Interfaces:
  • 1x UART
  • 1x I2C
  • 1x SPI
  • 1x NFC
  • 1x SWD
  • 11x GPIO (with PWM)
  • 6x ADC
  .
• Operating voltage: 3.3 V at a maximum load of 200 mA.
• Charging current: Selectable between 50 mA and 100 mA.
• Input voltage: Standard 5 V.
• Standby current consumption: Less than 5 μA.
• Dimensions: Compact 21 x 17.5 mm.