ESP32-S3

The ESP32-S3 is a versatile development board featuring a dual-core Xtensa LX7 MCU, clocked up to 240 MHz, with Wi-Fi 2.4 GHz and Bluetooth 5 (LE) connectivity. It offers 8MB PSRAM, 32MB flash, and supports AI acceleration. With numerous GPIO pins, it’s ideal for IoT, wireless communication, and low-power projects. The board includes USB-C, multiple interfaces (SPI, I2C, UART), and extensive community support.

ESP32-S3-16N8 Development Board
Fig.: ESP32-S3-16N8 Development Board

Features/Specifications

Microcontroller Dual-core Xtensa LX7
Clock Speed Up to 240 MHz
Wi-Fi 2.4 GHz (802.11 b/g/n)
Bluetooth Bluetooth 5.0 (LE)
RAM 8MB PSRAM
Flash 32MB
GPIO Pins 44 programmable
Interfaces SPI, I2C, I2S, UART, ADC, PWM
AI Acceleration Vector instructions for AI
Power Supply 3.3V, USB-C (5V input)
Operating Voltage 3.0-3.6V

📄 ESP32-S3 DEV-Kits Documentation (22891 kB)
📄 ESP32-S3 Datasheet (1084 kB)
📄 ESP32-S3 Technical reference (15492 kB)
📄 ESP32-S3 schematic (367 kB)

Connections

Pinout-Chart of the ESP32-S3
Fig.: Pinout-Chart of the ESP32-S3
Last edited by Christian Grieger on 2025-08-09