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Development BoardsMD-ESP32S3-DEV

ESP32-S3 Development Board

Dual-core WiFi + BLE 5.0 development board with 16MB Flash, 8MB PSRAM, USB-C interface. Ideal for IoT, HMI and edge computing applications.

Key Specifications

ProcessorESP32-S3, Xtensa LX7 dual-core
Clock SpeedUp to 240 MHz
Flash Memory16 MB (SPI)
PSRAM8 MB (Octal SPI)
WirelessWiFi 802.11 b/g/n + BLE 5.0
GPIO Pins40 (ADC, SPI, I2C, I2S, UART)
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Product Description

The MD-ESP32S3-DEV is a feature-rich development board built around the Espressif ESP32-S3 dual-core Xtensa LX7 processor. With integrated 2.4 GHz WiFi and Bluetooth 5.0 (LE), 16MB of flash storage, and 8MB of PSRAM, this board provides ample resources for complex embedded applications. The USB-C connector supports both power delivery and native USB serial/JTAG debugging, eliminating the need for a separate USB-UART bridge chip. The board includes a rich set of peripherals including SPI, I2C, I2S, UART, ADC, and touch sensor interfaces, making it suitable for IoT endpoints, HMI displays, and edge AI inference.

Key Features

  • Dual-core Xtensa LX7 processor up to 240 MHz
  • 2.4 GHz WiFi 802.11 b/g/n and Bluetooth 5.0 (LE)
  • 16MB SPI Flash and 8MB PSRAM
  • USB-C with native USB Serial/JTAG
  • 40-pin GPIO header with SPI, I2C, UART, ADC
  • RGB LED, reset and boot buttons on-board

Technical Specifications

Processor
ESP32-S3, Xtensa LX7 dual-core
Clock Speed
Up to 240 MHz
Flash Memory
16 MB (SPI)
PSRAM
8 MB (Octal SPI)
Wireless
WiFi 802.11 b/g/n + BLE 5.0
GPIO Pins
40 (ADC, SPI, I2C, I2S, UART)
USB Interface
USB-C (Serial/JTAG + Power)
Operating Voltage
3.3V (5V via USB)
Dimensions
55 mm × 28 mm
Weight
8 g

Typical Applications

IoT sensor nodes and data loggersHMI display controllersEdge AI and machine learning inferenceSmart home automationWearable electronics

Downloads

ESP32-S3 Datasheet

PDF · 2.4 MB

Pinout Diagram

PDF · 320 KB

Schematic

PDF · 480 KB

Getting Started Guide

PDF · 1.1 MB

Frequently Asked Questions

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