Overview

The ESP32S3 SuperMini development board offers powerful Wi-Fi and Bluetooth capabilities, supporting IEEE 802.11 b/g/n Wi-Fi and Bluetooth 5.0 (LE). It includes an external antenna to boost signal strength and is designed with a rich set of interfaces, making it ideal for wireless, IoT, and embedded applications.

With 11 digital I/O pins (all PWM-capable), 4 analog input pins (ADC), and support for UART, I2C, and SPI, this compact board is perfect for smart home devices and connected systems without Z-line communication needs.

Wireless Communication

Full Wi-Fi subsystem supporting IEEE 802.11 b/g/n
Supports Station, SoftAP, and SoftAP+Station hybrid modes
Built-in low-power Bluetooth 5.0 (LE) subsystem
Suitable for diverse wireless communication applications

High-Performance Processor

Equipped with an XTENSA® 32-bit LX7 dual-core CPU
Clock speed up to 240 MHz for strong processing power
Ideal for real-time applications and multitasking

Memory and Storage

512 KB SRAM, 384 KB ROM, and 2 MB on-chip PSRAM
16 MB Flash memory for program storage
USB Type-C interface for reliable power and data transfer
Supports multiple low-power modes for energy efficiency

Security Features

Integrated security mechanism ensures data integrity and secure communication
Ideal for applications requiring safe data transmission and storage

Rich GPIO Support

Up to 27 multifunctional GPIO pins
Supports PWM, ADC, and peripheral expansion
Flexible I/O for custom hardware integration

Buttons & Interfaces

RST (Reset): Instantly resets the board
BOOT (Download Mode):
Hold BOOT to enter firmware download mode via serial
Battery Interface:
Battery remains active while charging
Auto power-off when fully charged or depleted (no flashing during operation)

Ideal Applications

With its combination of performance, connectivity, and flexibility, the ESP32S3 SuperMini is perfect for:
Smart home systems
IoT devices
Bluetooth audio solutions
Wireless sensors and controls