SPECIFICATIONS

Application: Computer

Brand Name: EC Buying

Condition: New

Dissipation Power: low

High-concerned chemical: none

Interface: 1xUART, 1xIIC, 1xSPI, 1xNFC,

Interface 2: 1xSWD, 11xGPIO(PWM), 6xADC

On-chip Memory: 1 MB flash and 256 kB RAM

Onboard Memory: 2 MB QSPI flash

Operating Temperature: -40-+85℃

Origin: Mainland China

Package: module

RGB LED: RGB LED

Seeed XIAO RP2040 XIAO BLE SENSE Seeeduino: Raspberry Pi Development Board Module For Arduino/MicroPython/CircuitPython

Seeeduino XIAO BLE SENSE Development Board Module: BLE 5.0 XIAO RP2040 nRF52840 for Arduino Nano Arm Microcontroller

Smart Electronics Experiment: Switch And Sensor For Arduino STM32

Supply Voltage: 3.3V 5V Development Board Module

Type: Logic ICs

Type 2: Motherboard Arm Microcontroller

Wireless: BLE5.0 BLE 5.0/NFC/Zigbee

charging chip: BQ25101

is_customized: Yes

language programming: For Arduino MicroPython,CircuitPython

Specification

Item	Seeed XIAO BLE - nRF52840	Seeed XIAO BLE Sense - nRF52840
Processor	Nordic nRF52840	The same as XIAO BLE
	ARM® Cortex®-M4 with FPU run up to 64 MHz
Wireless	Bluetooth-compatible 5.0/NFC/Zigbee	The same as XIAO BLE
On-chip Memory	1 MB flash and 256 kB RAM	The same as XIAO BLE
Onboard Memory	2 MB QSPI flash	The same as XIAO BLE
Interface	1xUART, 1xIIC, 1xSPI, 1xNFC, 1xSWD,	The same as XIAO BLE
	11xGPIO(PWM), 6xADC
Sensors		Onboard PDM digital microphone
		Onboard 6-axis IMU
Dimensions	21 x 17.5mm	The same as XIAO BLE
Power	Circuit operating voltage:3.3V@200mA	The same as XIAO BLE
	Charging current: 50mA/100mA
	Input voltage (VIN): 5V
	Standby power consumption:  <5μA

Application

• Wearable devices

• Wireless connect

• Embedded machine learning projects

• Perfect for mini Arduino projects

• Tiny Machine Learning application

Hardware Pinout

Seeed XIAO Series

Seeeduino XIAO series product selection reference is provided here. The table compares Seeedino XIAO, Seeed XIAO RP2040, Seeed XIAO BLE and Seeed XIAO BLE Sense in detail in terms of processor, memory, interface, etc.

Item	Seeeduino XIAO	Seeed XIAO RP2040	Seeed XIAO BLE	Seeed XIAO BLE Sense
Processor	SAMD21M0+@48MHz	RP2040 Dual-coreM0+@133Mhz	nRF52840M4F@64MHz	nRF52840M4F@64MHz
Wireless Connectivity	N/A	N/A	Bluetooth-compatible 5.0/BLE/NFC	Bluetooth 5.0/BLE/NFC
Memory	32 KB SRAM 256KB FLASH	264 KB SRAM 2MB onboard Flash	256 KB RAM, 1MB Flash 2MB onboard Flash	256 KB RAM,1MB Flash 2MB onboard Flash
Built-in Sensors	N/A	N/A	N/A	6 DOF IMU (LSM6DS3TR-C), PDM Microphone
Interfaces	I2C/UART/SPI	I2C/UART/SPI	I2C/UART/SPI	I2C/UART/SPI
PWM/Analog Pins	11/11	11/4	11/6	11/6
Onboard Buttons	N/A	Reset/ Boot Button	Reset Button	Reset Button
Onboard LEDs	N/A	Full-color RGB/ 3-in-one LED	3-in-one LED/ Charge LED	3-in-one LED/ Charge LED
Battery Charge Chip	N/A	N/A	BQ25101	BQ25101
Programming Languages	Arduino/ CircuitPython	Arduino/ MicroPython/ CircuitPython	Arduino/ MicroPython/ CircuitPython	Arduino/ MicroPython/ CircuitPython