Arduino Nano 33 IoT

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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 D11 (COPI), D12 (CIPO), D13 (SCK). Use any GPIO for Chip Select (CS).

I2C A4 (SDA), A5 (SCL)

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 (datasheet)

Length 45 mm

Width 18 mm

Weight 5 gr (with headers)