产品名称：意大利Arduino开发板入门编程开源硬件

技术规格

Arduino Nano 33物联网基于SAMD21微控制器。

Microcontroller	SAMD21 Cortex®-M0+ 32bit low power ARM MCU
Radio module	u-blox NINA-W102
Secure Element	ATECC608A
Operating Voltage	3.3V
Input Voltage (limit)	21V
DC Current per I/O Pin	7 mA
Clock Speed	48MHz
CPU Flash Memory	256KB
SRAM	32KB
EEPROM	none
Digital Input / Output Pins	14
PWM Pins	11 (2, 3, 5, 6, 9, 10, 11, 12, 16 / A2, 17 / A3, 19 / A5)
UART	1
SPI	1
I2C	1
Analog Input Pins	8 (ADC 8/10/12 bit)
Analog Output Pins	1 (DAC 10 bit)
External Interrupts	All digital pins (all analog pins can also be used as interrput pins, but will have duplicated interrupt numbers)
LED_BUILTIN	13
USB	Native in the SAMD21 Processor
IMU	LSM6DS3
Length	45 mm
Width	18 mm
Weight	5 gr (with headers)