1. Powerful performance: The ESP32 expansion board features a built-in dual-core 32-bit processor, supporting Wi-Fi and Bluetooth connectivity for IoT project development. 2. Easy to develop: Compatible with multiple development environments and programming languages; firmware can be uploaded via the Micro-USB interface. 3. Rich hardware resources: Equipped with multiple I/O interfaces to connect various sensors and peripherals. 4. Compact and portable: Small form factor enables easy integration into devices, ideal for prototyping and educational projects. Main Control Chip: ESP32-DOWDQ6-V3 dual-core 32-bit MCU with integrated Wi-Fi and Bluetooth USB Driver Chip: CH340C — offers broad system compatibility, reliable data transfer, and stable operation Power Input: Supports VIN input (5–12 V DC); battery version supports up to 5.5 V Power Options: USB power, external 3.3 V power, or VIN power Software Compatibility: Works with Arduino IDE, MicroPython, and other standard development platforms ESP32-based board with 30-pin layout; optimized for low-power operation Color: Black Material: Plastic Package Includes: 1 × Development Board Note: Color appearance may vary slightly due to screen settings and lighting conditions. Dimensions are subject to a tolerance of ±1–3 cm.