DESCRIPTION
Seeed Studio XIAO nRF52840 Sense by Nordic is carrying Bluetooth Low Energy 5.4 wireless capability and is able to operate with low power consumption. Featuring onboard IMU and PDM, it can be your best tool for embedded Machine Learning projects.
FEATURES
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Versatile Microcontroller: Incorporate the Nordic nRF52840 chip with FPU, operating up to 64 MHz, mounted multiple development ports, supported by Arduino / CircuitPython
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Wireless Capabilities: Implement Bluetooth Low Energy 5.4, BLE functions with onboard antenna, also provide NFC connectivity
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Elaborate Power Design: Provide ultra-low power consumption as 5 μA in deep sleep mode while supporting lithium battery charge management
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Advanced onboard Functionality: Assemble additional digital microphone and 6-axis IMU in the tiny board for embedded Machine Learning applications
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Thumb-sized Design: 21 x 17.8mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices
HARDWARE OVERVIEW
Attention
All the I/O pins are 3.3V, please do not input more than 3.3V, otherwise, the CPU may be damaged.
TOP

BOTTOM

PINOUT

APPLICATIONS
- Small and flexible wearable device
- Wifi/Bluetooth controlled wireless connection project
- Embedded Machine Learning Project
- IoT and TinyML AI applications
- Great for mini Arduino projects
TECHNICAL DETAILS
- Chipest: Nordic nRF52840
- Processor: ARM® Cortex®-M4 with FPU runs up to 64 MHz
- Wireless: Bluetooth Low Energy 5.4/Bluetooth mesh/NFC
- On-Chip Memory: 1 MB flash and 256 kB RAM
- Onboard Memory: 2 MB QSPI flash
- Interface: 1xUART, 1xIIC, 1xSPI, 1xNFC, 1xSWD, 11xGPIO(PWM), 6xADC
- Sensors: 1xOnboard PDM digital microphone, 1xOnboard 6-axis IMU
- Dimensions: 21 x 17.8mm
- Power (Typ.): Circuit operating voltage: 3.3V@200mA, Charging current: 50mA/100mA, Input voltage (Type-C): 5V, Input voltage (BAT): 3.7V, Standby power consumption: 5μA
DOCUMENTS
SHIPPING LIST
- 1x Seeed Studio XIAO nRF52840 Sense - nRF52840
- 2x 7 Pin Header