ESP32-S3 Microcontroller, 2.4GHz Wi-Fi Development Board, 240MHz Dual Core Processor, 16MB PSRAM

The Waveshare ESP32-S3 Dev Kit is a compact, low-cost development board built around Espressif’s ESP32-S3 microcontroller. It targets IoT, embedded AI, and edge computing applications, offering a strong balance between performance, connectivity, and memory.

Unlike traditional microcontrollers, the ESP32-S3 introduces vector instructions and AI acceleration features, making it suitable for lightweight machine learning tasks such as keyword spotting, sensor fusion, and basic computer vision.
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Core Architecture and Capabilities

At the heart of the board is the ESP32-S3-WROOM module, featuring:

• Dual-core Xtensa LX7 CPU @ 240 MHz 
• Integrated Wi-Fi (2.4 GHz) + Bluetooth LE 5 
• Built-in 512 KB SRAM + external Flash + PSRAM 
• USB-C interface with onboard USB/UART bridge

This architecture enables:

• Real-time embedded control
• Wireless IoT communication
• Edge AI inference (TinyML)
• Low-power applications

Version and Pinheader options

ESP32-S3-DEV-KIT-N8R8
8MB Flash and 8MB PSRAM,
with onboard antenna

ESP32-S3-DEV-KIT-N8R8-M
8MB Flash and 8MB PSRAM, with pre-soldered headers,
with onboard antenna

ESP32-S3-DEV-KIT-N16R8
16MB Flash and 8MB PSRAM,
with onboard antenna

ESP32-S3-DEV-KIT-N16R8-M
16MB Flash and 8MB PSRAM, with pre-soldered headers,
with onboard antenna

ESP32-S3-DEV-KIT-N16R8-U
16MB Flash and 8MB PSRAM,
with external antenna

ESP32-S3-DEV-KIT-N16R8-UM
16MB Flash and 8MB PSRAM, with pre-soldered headers,
with external antenna

ESP32-S3-DEV-KIT-N32R16V
32MB Flash and 16MB PSRAM,
with onboard antenna

ESP32-S3-DEV-KIT-N32R16V-M
32MB Flash and 16MB PSRAM, with pre-soldered headers,
with onboard antenna

Features

This product is a compact-size microcontroller development board with multiple digital interfaces.

Adopts ESP32-S3-WROOM series module, which is equipped with a dual-core Xtensa 32-bit LX7 processor with 240MHz running frequency, built-in 512 KB Static RAM (TCM), provides options for 8MB / 16MB / 32MB Flash memory and 8MB / 16MB PSRAM. Onboard CH343 and CH334 chips for USB and UART development via USB-C port. Compatible with the pinout of ESP32-S3-DevKitC-1 development board, more convenient to use and expand a variety of peripheral modules.

You can choose ESP-IDF, Arduino, MicroPython, or other development environments in software so that you can easily and quickly get started and apply it to the product.

Key features include:

• Adopts ESP32-S3-WROOM series module with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz
• Integrated 512KB Static RAM, 384KB ROM, options for 8MB / 16MB / 32MB Flash memory and 8MB / 16MB PSRAM
• Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performance.
• Type-C connector, easier to use
• Onboard CH343 and CH334 chips can meet the needs of USB and UART development via a Type-C interface
• Rich peripheral interfaces, compatible with the pinout of ESP32-S3-DevKitC-1 development board, offers strong compatibility and expandability
• Castellated module allows soldering directly to carrier boards
• Supports multiple low-power operating states, adjustable balance between communication distance, data rate and power consumption to meet the power requirements of various application scenarios

Supports ESP-IDF, Arduino, MicroPython

Comprehensive SDK, dev resources, and tutorials to help you easily get started

ESP32-S3 Designed for AIoT applications

Powered by Xtensa 32-bit LX7 dual-core processor with frequency up to 240 MHz
Powerful AI Computing Capability & Reliable security features

Wi-Fi and BLE 5 support

ESP32-S3 integrates 2.4 GHz Wi-Fi (802.11 b/g/n) with 40 MHz of bandwidth support
Its Bluetooth Low Energy subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh

Function Block Diagram

Pinout Definition

Compatible with the pinout of ESP32-S3-DevKitC-1 development board

Onboard Resources

Product Show

Standard version

With external antenna

outline dimensions

Resources & Services

Wiki: www.waveshare.com/wiki/ESP32-S3-DEV-KIT-N8R8

Shipping list

ESP32-S3-DEV-KIT-N32R16V-M

ESP32-S3-DEV-KIT-N32R16V with pre-soldered headers x1