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Arduino Nano 33 IoT
ArduinoSAMD21G18A
This miniature Arduino Nano 33 IoT board features a SAMD21 Cortex M0+ processor, an ESP32-based Wi-Fi/Bluetooth module, a crypto chip for secure storage, and a 6-axis IMU, making it suitable for basic IoT applications.
In stock
Specifications
28- Operating Voltage
- 3.3 V
- Logic Level
- 3.3 V
- Max Input Voltage Vin
- 21 V
- Max Input Voltage Usb
- 21 V
- Min Operating Temperature
- -40 °C
- Max Operating Temperature
- 85 °C
- Processor Flash
- 256 kB
- Processor Clock Speed
- 48 MHz
- Usb Interface
- USB 2.0 Full Speed
- Sercom Count
- 6
- Adc Resolution
- 12 bit
- Adc Sample Rate
- 350 ksps
- Dac Resolution
- 10 bit
- Dac Sample Rate
- 350 ksps
- Wireless Module
- Nina W102 (ESP32-based)
- Wireless Module Cpu
- Dual Core Tensilica LX6
- Wireless Module Cpu Clock Speed
- 240 MHz
- Wireless Module Rom
- 448 kB
- Wireless Module Sram
- 520 kB
- Wireless Module Flash
- 2 MB
- Wifi Standard
- IEEE 802.11b/g/n
- Wifi Frequency
- 2.4 GHz
- Bluetooth Standard
- BR/EDR, Bluetooth 4.2 dual mode
- Bluetooth Frequency
- 2.4 GHz
- Imu Sensor
- LSM6DSL 6-axis IMU
- Accelerometer Range
- ±2/±4/±8/±16 g
- Gyroscope Range
- ±125/±250/±500/±1000/±2000 dps
- Crypto Chip
- ATECC608A
Pinout
41| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | VUSB | POWER | Power Supply Input. If board is powered via VUSB from header this is an Output. |
| 2 | D- | USB | |
| 3 | D+ | USB | |
| 4 | ID | GPIO | Selects Host/Device functionality. |
| 5 | GND | GND | |
| 1 | D13 | GPIO | |
| 2 | +3V3 | POWER | Internally generated power output to external devices. |
| 3 | AREF | ADCGPIO | Analog Reference; can be used as GPIO. |
| 4 | A0/DAC0 | ADCDACGPIO | ADC in/DAC out; can be used as GPIO. |
| 5 | A1 | ADCGPIO | ADC in; can be used as GPIO. |
| 6 | A2 | ADCGPIO | ADC in; can be used as GPIO. |
| 7 | A3 | ADCGPIO | ADC in; can be used as GPIO. |
| 8 | A4/SDA | ADCI2CGPIO | ADC in; I2C SDA; Can be used as GPIO. Has internal pull-up and defaults to I2C. |
| 9 | A5/SCL | ADCI2CGPIO | ADC in; I2C SCL; Can be used as GPIO. Has internal pull-up and defaults to I2C. |
| 10 | A6 | ADCGPIO | ADC in; can be used as GPIO. |
| 11 | A7 | ADCGPIO | ADC in; can be used as GPIO. |
| 12 | VUSB | POWER | Normally NC; can be connected to VUSB pin of the USB connector by shorting a jumper. |
| 13 | RST | GPIO | Active low reset input (duplicate of pin 18). |
| 14 | GND | GND | |
| 15 | VIN | POWER | Vin Power input. |
| 16 | TX | UARTGPIO | USART TX; can be used as GPIO. |
| 17 | RX | UARTGPIO | USART RX; can be used as GPIO. |
| 18 | RST | GPIO | Active low reset input (duplicate of pin 13). |
| 19 | GND | GND | |
| 20 | D2 | GPIO | |
| 21 | D3/PWM | GPIOPWM | |
| 22 | D4 | GPIO | |
| 23 | D5/PWM | GPIOPWM | |
| 24 | D6/PWM | GPIOPWM | |
| 25 | D7 | GPIO | |
| 26 | D8 | GPIO | |
| 27 | D9/PWM | GPIOPWM | |
| 28 | D10/PWM | GPIOPWM | |
| 29 | D11/MOSI | SPIGPIO | SPI MOSI; can be used as GPIO. |
| 30 | D12/MISO | SPIGPIO | SPI MISO; can be used as GPIO. |
| 1 | +3V3 | POWER | Internally generated power output to be used as voltage reference. |
| 2 | SWD | Debug | SAMD11 Single Wire Debug Data. |
| 3 | SWCLK | Debug | SAMD11 Single Wire Debug Clock. |
| 4 | UPDI | Debug | ATMega4809 update interface. |
| 5 | GND | GND | |
| 6 | RST | GPIO | Active low reset input. |
Interactive pinout
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SAMD21G18A
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