Arduino Nano 33 IoT User Manual

Name: Arduino Nano 33 IoT
Brand: Arduino
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Arduino® Nano 33 IoT

11 / 18 Arduino® Nano 33 IoT / Rev. 01 - 06/12/2021

4.6 Board Recovery

All Arduino boards have a built-in bootloader which allows ﬂashing the board via USB. In case a sketch locks up the

processor and the board is not reachable anymore via USB it is possible to enter bootloader mode by double-

tapping the reset button right after power up.

5 Connector Pinouts

Pinout

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General

Operating Voltage	3.3V
Input Voltage (limit)	6-21V
Digital I/O Pins	14
Analog Output Pins	1 (DAC)
DC Current per I/O Pin	7 mA
Flash Memory	256 KB
SRAM	32 KB
Clock Speed	48 MHz
LED_BUILTIN	13
Length	45 mm
Width	18 mm
Weight	5 g
UART	1
SPI	1
I2C	1
Microcontroller	SAMD21 Cortex®-M0+ 32bit low power ARM MCU
PWM Pins	11
Analog Input Pins	8
Wi-Fi	Yes (802.11 b/g/n)
Bluetooth	Yes (Bluetooth 4.2)
IMU	LSM6DS3