ESP32 S3 DevKitM-1 (N16R8) Development Board

About ESP32 S3 Dev Board

The ESP32-S3 stands out with its dual-core performance and built-in support for Wi-Fi and Bluetooth Low Energy. What makes it even more powerful is its ability to handle lightweight machine learning workloads, making it ideal for modern IoT applications.

With 16MB Flash and 8MB PSRAM onboard, you get plenty of memory headroom for complex firmware, UI applications, and data-heavy tasks.

Key Features

• High-Performance MCU
  Dual-core processor running up to 240 MHz for smooth multitasking and fast execution
• Large Memory Capacity
  16MB Flash + 8MB PSRAM — perfect for advanced applications and buffering
• Wireless Connectivity
  Integrated 2.4 GHz Wi-Fi + Bluetooth Low Energy (BLE)
• Rich GPIO Interface
  30+ GPIOs supporting UART, SPI, I2C, PWM, ADC, DAC, and more
• Plug & Play USB Programming
  Micro-USB interface with USB-to-UART bridge for easy flashing and debugging
• Onboard RGB LED
  Great for status indication, UI feedback, or quick demos
• Stable Power Design
  Built-in LDO regulator ensures reliable 3.3V operation from 5V input
• Developer-Friendly Controls
  Dedicated Boot and Reset buttons for hassle-free firmware uploads
• JTAG Debugging Support
  Enables professional debugging and development workflows

Technical Specifications

• Microcontroller: ESP32-S3 (Dual-core, up to 240 MHz)
• Module: ESP32-S3-WROOM-1-N16R8
• Flash: 16MB
• PSRAM: 8MB
• Connectivity: Wi-Fi (2.4 GHz), BLE
• Power Input: 5V via Micro-USB
• Operating Voltage: 3.3V
• GPIO: 34 programmable pins
• LEDs: RGB LED + Power LED
• Debugging: JTAG supported
• Weight: ~16g

Datasheet –  ESP32-S3-WROOM-1-N16