1. Powerful performance: The ESP32 expansion board has a built-in powerful dual-core 32-bit processor, which supports Wi-Fi and bluetooth functions, allowing you to build Internet of Things projects conveniently and quickly.

2. Easy to develop: It is suitable for many development environments and languages, and can be downloaded through the Micro USB interface, which is very convenient.

3. Rich hardware resources: It is equipped with quite rich hardware interface resources, which can connect many sensors and other components, basically meeting your various needs in the project.

4. Small and portable: ESP32 expansion board is small in size and easy to carry. It can be easily integrated into various devices and can be easily handled in scientific research projects and daily innovation practices.

Main Control Chip: Support ESP32-DOWDQ6-V3 dual-core 32bit MCU integrated WiFi, Bluetooth-compatible
USB Driver Chip: CH340C, with good system compatibility, higher- download speed, and more stability.
Support VIN-external wide voltage- input 5-12V power supply (battery version maximum 5.5V input)
Support USB power supply, external 3.3V power supply, and VIN-power supply three kinds of power supply Mode-development board
Compatible with-ArduinoIDE mixly, mind+, Python- and other programming software
Support USB power supply, external 3.3V power supply, and VIN power supply three kinds of power supply Mode development board
ESP32 CP2102 30pins Works perfectly with the Arduino IDE and Ultra-Low power consumption

Specifications:
Main Control Chip: ESP32-DOWDQ6-V3 dual-core 32bit MCU integrated WiFi, Bluetooth-compatible,
Integrated 520-kBSRAM, 448-kBROM16-kBSRAMinRTC
Size: Approx 53.4x68.6mm / 2.1x2.7in
Pin: 30 Pins
Weight: 25g
Material: ABS+Metal