Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Voltage Regulator _x005f_x000D_ Digital I/O digital input/output total 0-13 _x005f_x000D_ Analog I/O analog input/output total 0-5 _x005f_x000D_ Support: ISP download function _x005f_x000D_ Input voltage: external power supply is not required when connected to the computer USB, external power supply 5V~9V DC voltage input _x005f_x000D_ Output voltage: 5V DC voltage output and 3.3V DC voltage output _x005f_x000D_ Microprocessor controller: Atmel Atmega328 _x005f_x000D_ Weight: 45g _x005f_x000D_ Product size: about 70*53*5mm/2.76*2.09*0.20in _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ _x005f_x000D_ 1 x CH340G Improved Version Development Board _x005f_x000D_ 1 x Cable _x005f_x000D_ 1 x Pin _x005f_x000D_ 1. Enhanced Compatibility: This ch340g improved version development board solves the compatibility and stability issues commonly seen with traditional boards on Windows 7 and Windows 8 systems, ensuring smooth and reliable performance. 2. Improved Connector Design: With the added pin headers, users can easily connect the board to other electronic components using DuPont wires, providing greater flexibility and convenience in prototyping and project development. 3. Cost-Effective Solution: The ch340g improved version development board uses an alternative USB chip (instead of the more expensive ATmega16U2), reducing the cost by half without sacrificing functionality or quality, offering great value for money for consumers. 4. Easy to Use: With its plug-and-play design, automatic driver installation, and user-friendly for Arduino IDE, this board ATmega328P is easy to use and suitable for beginners and professionals alike. 5. Comprehensive Support: The board ATmega328P comes with a wealth of resources, including detailed instructions, sample codes, and technical support, making it an excellent choice for students, makers, and hobbyists looking to experiment and learn in the exciting world of microcontrollers and electronics.