Product Description: _x005f_x000D_ This product consists of Mega R3 ATmega2560 and WiFi ESP8266 both integrated together and exist as a brand new module; the functional modules on this development board can work independently or simultaneously and have their own pin interfaces. The combination of the two modules provides a more comfortable development environment for new projects, and with a Micro USB female socket on the board, users can update the firmware through the USB port, which is more convenient. _x005f_x000D_ _x005f_x000D_ Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Voltage Regulator _x005f_x000D_ DC holder power supply voltage: 7-15V _x005f_x000D_ Operating voltage: 5V _x005f_x000D_ FLASH memory capacity: 32Mbit _x005f_x000D_ ICSP interface _x005f_x000D_ Built-in WiFi antenna _x005f_x000D_ Reserved IPEX antenna terminal _x005f_x000D_ MCU: ATmega2560 _x005f_x000D_ WiFi MCU: ESP8266 _x005f_x000D_ USB bus control: CH340G _x005f_x000D_ Size: 102*54*10mm/4.02*2.13*0.39in _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_ 1 x Mega R3 ATmega2560+WiFi ESP8266 _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ 1. Dual Module Integration: This development board combines the Mega R3 ATmega2560 and WiFi ESP8266 modules into one, providing a more convenient and efficient environment for new project development. 2. Independent or Combined Operation: Both modules on this mega r3 atmega2560+wifi esp8266 can work independently or simultaneously, with their own pin interfaces, allowing for versatile use in a wide range of projects. 3. User-Friendly Interface: The mega r3 atmega2560+wifi esp8266 features a Micro USB socket, enabling users to update firmware through the USB port, making it easier and more convenient than ever before. 4. High Performance: With the powerful Mega R3 ATmega2560 and WiFi ESP8266 modules integrated, this development board delivers superior performance and functionality for various types of projects. 5. Versatile Use: This mega r3 atmega2560+wifi esp8266 is perfect for hobbyists, engineers, and students who need a reliable and efficient development board for a wide range of applications, such as robotics, IoT, home automation, and more.