This is the professional version of the Mini Pro is a microcontroller board, has its good burn Bootloader, without the user having to buy ISP burner were burning, easy to use. It has 14 digital input / output pins (of which 6 can be used as PWM outputs), 8 analog inputs (increase A6 A7 with two analog input ports than the regular version), an 8MHz resonator, a reset button, the installation hole pin head.