Description
Overview
The ESP32‑S3 Mini Development Board provides a small‑form‑factor platform for IoT and embedded projects. It integrates a dual‑core Xtensa® LX7 processor, configurable flash and PSRAM, Wi‑Fi, Bluetooth 5, and a USB‑Type‑C interface.
Features
- Dual‑core 32‑bit LX7 CPU, up to 240 MHz
- 2.4 GHz 802.11 b/g/n Wi‑Fi and Bluetooth 5 (LE)
- Options for 4 MB or 8 MB flash combined with 2 MB or 8 MB PSRAM
- 24 GPIO pins configurable for SPI, I²C, UART, I²S, ADC, etc.
- USB Type‑C full‑speed serial port
- On‑board ceramic antenna and WS2812 RGB LED
- Integrated 800 mA LDO regulator (ME6217C33M5G)
Specifications
| Processor | Xtensa® LX7 dual‑core |
| CPU Frequency | Up to 240 MHz |
| Flash Memory | 4 MB or 8 MB |
| PSRAM | 2 MB or 8 MB |
| Wi‑Fi | 802.11 b/g/n, 2.4 GHz |
| Bluetooth | Bluetooth 5 (LE) |
| GPIO Pins | 24 configurable pins |
| Interfaces | 4 × SPI, 2 × I²C, 3 × UART, 2 × I²S, 2 × ADC |
| USB Port | USB Type‑C (full‑speed) |
| Power Supply | 5 V via USB, LDO 800 mA |
| Antenna | On‑board 2.4 GHz ceramic antenna |
Pinout / Connection Details
- 24‑pin header exposing all GPIO functions
- BOOT and RESET buttons for programming mode
- Optional pre‑soldered header option
