1. Powerful performance: The ESP32 expansion board features a built-in dual-core 32-bit processor, supporting Wi-Fi and Bluetooth connectivity for efficient IoT project development. 2. Easy to develop: Compatible with multiple development environments and programming languages; firmware upload via Micro-USB interface. 3. Rich hardware resources: Includes multiple I/O interfaces for connecting sensors and peripherals, supporting diverse project requirements. 4. Compact and portable: Small form factor enables easy integration into various devices and applications, including research and prototyping. Main Control Chip: ESP32-DOWDQ6-V3 dual-core 32-bit MCU with integrated Wi-Fi and Bluetooth USB Driver Chip: CH340C — high system compatibility, fast download speed, stable operation Power Input: VIN supports 5–12 V DC (battery version max 5.5 V); also supports USB power and external 3.3 V power Power Modes: USB-powered, external 3.3 V powered, or VIN-powered Software Compatibility: Arduino IDE, Mixly, Mind+, Python ESP32 module with CP2102 chip — 30-pin layout; ultra-low power consumption; fully compatible with Arduino IDE Color: Black Material: Plastic Package Contents: 1 × Development Board Note: Color may vary slightly due to screen settings and lighting conditions. Dimensions may vary by ±1–3 cm.