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Arduino Nano ESP32 User Manual

Arduino Nano ESP32
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Arduino® Nano ESP32
11 / 20 Arduino® Nano ESP32 Modified: 17/07/2023
8.3 Serial Peripheral Interface (SPI)
SCK - D13
COPI - D12
CIPO - D11
CS - D10
The SPI controller is by default assigned to the pins above.
8.4 Universal Asynchronous Receiver/Transmitter (UART)
D0 / TX
D1 / RX
The UART controller is by default assigned to the the pins above.
8.5 Two Wire Automotive Interface (TWAI®)
The CAN/TWAI® controller is used to communicate with systems using the CAN/TWAI® protocol, particularly
common in the automotive industry. There are no specific pins assigned for the CAN/TWAI® controller, any free
GPIO can be used.
Please note: TWAI® is also known as the CAN2.0B, or "CAN classic". The CAN controller is NOT compatible with
CAN FD frames.
9 External Flash Memory
Nano ESP32 features a 128 Mbit (16 MB) external flash, the GD25B128EWIGR (U3). This memory is connected to the
ESP32 via Quad Serial Peripheral Interface (QSPI).
The operating frequency for this IC is 133 MHz, and has a data transfer rate at up to 664 Mbit/s.
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Arduino Nano ESP32 Specifications

General IconGeneral
MicrocontrollerESP32-S3
Flash Memory16 MB
Digital I/O Pins14
Analog Input Pins8
Operating Voltage3.3 V
Input Voltage (VIN)6-21V
DC Current per I/O Pin40 mA
Dimensions18 x 45 mm
USBUSB-C
Wi-Fi802.11 b/g/n
Architecture32-bit
Clock Speed240 MHz
CommunicationUART, SPI, I2C
BluetoothBluetooth® LE

Summary

The Board

ESP32 Core

Recommended Operating Conditions

Block Diagram

Board Topology

NORA-W106-10B Module

Xtensa LX7 Microprocessor

Details of the ESP32-S3's dual-core LX7 microprocessor, including speed and memory.

Wi-Fi Connectivity

Specifications for the NORA-W106-10B module's Wi-Fi capabilities, including standards and range.

Bluetooth LE Features

Details on the NORA-W106-10B module's Bluetooth LE v5.0 features, data rates, and connectivity.

System Overview

Serial Communication Protocols

Serial Peripheral Interface (SPI)

Universal Asynchronous Receiver/Transmitter (UART)

External Flash Memory

USB Connector

Power Options

Pin Voltage Specifications

VIN Input Voltage Rating

GPIO Pin Current Limits

Pinout Diagram

Analog Pinout (JP1)

Lists pins, functions, types, and descriptions for the analog header (JP1).

Board Operation Basics

Arduino Web Editor Guide

Arduino IoT Cloud Integration

Board Recovery Procedure

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