A Tiny Microcontroller with NFC capabilities and for wearable devices

Seeed Studio XIAO nRF52840 & nRF52840 sense

Versatile Microcontroller

- Nordic nRF52840 chip  - 64 MHz clock speed - Multiple development ports - Supported by Arduino /  CircuitPython / Micropython - On-chip Memory of 1 MB flash  - 256 kB RAM

Wireless Capabilities

- Bluetooth 5.0 - BLE functions such as BLE Mesh with onboard antenna - Provide NFC connectivity that can help for payments and short contactless communication

Peripherals

Peripherals

- 11 digital I/O PWM - 6 Analog I/O - UART, I2C, SPI - 1 Reset Button - 1 3 in one LED - Bluetooth Antenna - USB Type-C interface

Elaborate Power Design

- Ultra-low power consumption - 5 μA in deep sleep mode - supports lithium battery charge management

Thumb-sized Design & perfect for production

-  21 x 17.5mm -  Suitable for wearable devices -  Breadboard-friendly -  SMD design -  No components on the back

Best For

- Wireless audio - Smart home and building automation - Internet of things (IoT) - Wearables - Medical devices

Buy it on Amazon & Make your own wearable devices

SEEED XIAO nRF52840

SEEED XIAO nRF52840 Sense