Description
Overview
- Ultra‑compact board built around the ESP32‑S3R2 dual‑core processor.
- Provides integrated Wi‑Fi 802.11 b/g/n and Bluetooth 5 (LE) connectivity.
- USB Type‑C port supports USB 2.0 OTG for programming and peripheral interfacing.
Features
- Dual‑core Xtensa LX7 CPU running at up to 240 MHz.
- AI acceleration suitable for edge‑AI inference such as TensorFlow Lite.
- 23 configurable GPIOs with SPI, I2C, UART, PWM, ADC, DAC, RMT, LEDC, etc.
- Onboard USB‑to‑UART bridge (CH343) for serial communication.
- Compatible with Arduino, MicroPython, ESP‑IDF development environments.
Specifications
| MCU | ESP32‑S3R2 (Xtensa® dual‑core LX7) |
| CPU Frequency | 240 MHz |
| Flash | 16 MB NOR |
| PSRAM | 8 MB |
| Wireless | Wi‑Fi 802.11 b/g/n, Bluetooth 5 (LE) |
| USB Interface | USB‑C (USB 2.0 OTG) |
| I/O Pins | 23 GPIOs (incl. SPI, I2C, UART, PWM, ADC, DAC) |
| ADC Channels | Up to 20 |
| Operating Voltage | 3.3 V (I/O) |
| Power Input | 5 V via USB‑C |
| AI Capabilities | TensorFlow Lite, ESP‑DL |
| Development Support | Arduino, MicroPython, ESP‑IDF |




