ESP32-S3 Super Mini Development Board with WiFi Bluetooth
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Description
The ESP32-S3 Super Mini is a thumb-sized development board built on Espressif’s ESP32-S3 SoC. It combines a dual-core 240MHz Xtensa LX7 processor, 2.4GHz Wi-Fi and Bluetooth 5 (LE) in a 22.5 × 18mm footprint. Native USB on the Type-C port allows direct programming and serial debugging without a separate USB-UART chip. Compatible with Arduino IDE, ESP-IDF, MicroPython and PlatformIO, it suits space-constrained IoT, wearable and AI-at-the-edge projects.
Key Features
- ESP32-S3 dual-core Xtensa LX7 processor, up to 240MHz
- 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with onboard antenna
- 4MB Flash + 2MB PSRAM for larger programs and buffers
- Native USB via Type-C: programming, serial monitor and USB OTG/HID support
- Vector instructions for AI/ML acceleration (TensorFlow Lite Micro, ESP-DL)
- Onboard BOOT and RESET buttons
- Onboard RGB LED for status indication
- Low-power deep-sleep mode for battery-powered builds
- Castellated, breadboard-friendly pin layout
- Ultra-compact 22.5 × 18mm form factor
Technical Specifications
| Parameter | Specification |
|---|---|
| SoC | ESP32-S3 (ESP32-S3FH4R2) |
| CPU | Dual-core Xtensa LX7, up to 240MHz |
| SRAM / ROM | 512KB / 384KB |
| Flash | 4MB |
| PSRAM | 2MB |
| Wi-Fi | 2.4GHz, IEEE 802.11 b/g/n |
| Bluetooth | Bluetooth 5 (LE), Bluetooth Mesh |
| Antenna | Onboard ceramic antenna |
| USB | Type-C, native USB (Serial/JTAG, OTG) |
| Operating Voltage | 3.3V (logic) |
| Input Voltage | 5V via Type-C or 5V pin |
| GPIO | 11+ multifunction pins (ADC, PWM, I2C, SPI, UART, touch) |
| Interfaces | UART, I2C, SPI, I2S, PWM, ADC, capacitive touch |
| Onboard Components | RGB LED, BOOT button, RESET button, 3.3V LDO regulator |
| Programming | Arduino IDE, ESP-IDF, MicroPython, CircuitPython, PlatformIO |
| Dimensions | approx. 22.5 × 18mm |
| Operating Temperature | -40°C to +85°C |
Applications
- IoT sensor nodes and smart home devices
- Wearables and compact battery-powered gadgets
- USB HID devices (custom keyboards, macro pads, game controllers)
- Wireless data loggers and BLE beacons
- Edge AI: voice wake-word, gesture and image recognition
- Robotics and drone telemetry modules
- Education, prototyping and maker projects
Package Includes
- 1 × ESP32-S3 Super Mini Development Board
- 2 × Pin headers