Seeed Studio XIAO nRF52840 Sense (3PCS)

• Versatile Microcontroller: Incorporate the Nordic nRF52840 chip with FPU, operating up to 64 MHz, mounted multiple development ports
• Embracing Open Source: As an open source hardware, it also supports popular projects of Arduino / CircuitPython / Micropython / tinyGo / Zephyr / Meshtastic / Amazon Sidewalk / QMK / ZMK / ThingSpeak
• Wireless Capabilities: Supports Bluetooth Low Energy 5.4, BLE with onboard antenna, also provides NFC connectivity
• Elaborate Power Design: Provide ultra-low power consumption as 5μA in deep sleep mode while supporting lithium battery charge management
• Advanced onboard Functionality: Assemble additional digital microphone and 6-axis IMU in the tiny board for embedded Machine Learning applications
• Thumb-sized Design: 21 x 17.8mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices

Note

We already have 8 XIAO MCUs based on popular chipsets of SAMD21, nRF52840, ESP32-C3, ESP32-S3, and ESP32-C6. To help you better understand the differences and choose the most suitable one for your projects, pleasev visit the Seeed Studio XIAO Series Page.

If you'd prefer a more cost-effective MCU with BLE and NFC connectivity, you can refer to the Seeed Studio XIAO nRF52840.

Item	Seeed Studio XIAO nRF52840	Seeed Studio XIAO nRF52840 Sense
Processor	Nordic nRF52840
	ARM® Cortex®-M4 with FPU runs up to 64 MHz
Wireless	Bluetooth 5.0/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
Onboard Sensors	/	PDM digital microphone
		6-axis IMU
Dimensions	21 x 17.5mm
Power	Circuit operating voltage: 3.3V@200mA
	Charging current: 50mA/100mA
	Input voltage (VIN): 5V
	Standby power consumption: ×