Descriptions: This new version is conducted on the original version, mainly meet foreign customers' requirements of high design quality and functionality, and both guarantee and the original agreement compatible and easy to use. Features: 100% brand new and high quality Completely solves the traditional incompatible and instability of the to Win7 and Win8 system. Upgraded , 100% compatible for prototyping platform. With pins socket for inserting wire. Both guarantee and the original agreement compatible and easy to use. Specifications: Core chip: ATmega 328 Operating frequency: 16MHz Flash storage: 32K (0.5kb starting capacity) Static Random-Access Memory: 2 KB EEPROM: 1 KB Working voltage: 5V Digital pin: 14pin (6 of them support PWM) Simulated pin: 6pin (input) External interface: DC input USB B port Size: 7.5 x 5.5cm / 2.95 x 2.17 inch Weight: 52g Package included: 1 * ATmega328P Board 1 * USB Cable 1 * Straight Pin Header 2.54mm Pitch 1、100% brand new and high quality 2、Completely solves the traditional incompatible and instability of the to Win7 and Win8 system 3、Upgraded , 100% compatible for prototyping platform 4、With pins socket for inserting wire 5、Both guarantee and the original agreement compatible and easy to use