Seeed Studio XIAO nRF52840 (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: Implement Bluetooth 5.0, BLE functions with onboard antenna, also provide NFC connectivity
• Elaborate Power Design: Provide ultra-low power consumption as 5μA in deep sleep mode while supporting lithium battery charge management
• Thumb-Sized Design: 21 x 17.8mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices

Perfect for Production: Breadboard-friendly with Surface-Mounted SMD design, no components on the back

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.

To better support IoT and TinyML AI projects, there is an advanced version "Seeed Studio XIAO nRF52840 Sense" that is equipped with a 6-axis IMU and a PDM Microphone onbaord.

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: ×