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Waveshare·Dev Board

ESP32-S3 Nano

Compact ESP32-S3 dev board by Waveshare in Arduino Nano form factor. Features dual-core 240MHz LX7, 16MB flash, 8MB PSRAM, WiFi, BLE 5.0, and USB-C. Drop-in ESP32-S3 upgrade for Nano-sized projects.

Starting from

$8.99

Specifications

CPU Cores2
Clock Speed240MHz
PSRAM8MB
Flash16MB
GPIO Level3.3V
Power Input5V
BluetoothBLE 5.0
Storagenone

Components

Espressif ESP32-S3R8 SoC with dual-core Xtensa LX7 at 240MHz, integrated WiFi and BLE 5.0, with 8MB PSRAM on-package.

WS2812-compatible addressable RGB LED for status indication and user feedback.

Green LED indicating board power status.

General purpose LED connected to a GPIO pin for user applications.

Bus Interfaces

I2C
SPI
UART

ESP32-S3 Nano

The Waveshare ESP32-S3 Nano is a compact development board that brings the power of the ESP32-S3 into the classic Arduino Nano form factor. It features a dual-core Xtensa LX7 processor running at 240MHz, 16MB flash, and 8MB PSRAM — making it ideal for projects that need WiFi/BLE connectivity in a Nano-sized footprint.

Key Features

  • Arduino Nano compatible pinout — drop-in replacement for existing Nano projects
  • ESP32-S3R8 MCU — dual-core 240MHz with 512KB SRAM
  • 16MB Flash + 8MB PSRAM — plenty of storage and memory for complex applications
  • WiFi + BLE 5.0 — 2.4GHz wireless connectivity
  • USB-C connector for programming and power
  • RGB LED + power and user LEDs
  • 3.3V logic with 14 digital and 8 analog pins

Programming

Supports seamless switching between Arduino IDE and MicroPython. Also compatible with ESP-IDF and CircuitPython.

Variants

  • ESP32-S3-Nano — without headers (for custom soldering)
  • ESP32-S3-Nano-M — with pre-soldered black headers

Use Cases

3

Resources

Where to Buy

Explore more of the directory — popular use cases, firmware, and specs to browse next.