4Lionel MichelArduino Mini Pro2010-07-27ArduinoArduino Mini ProSparkfun/obsolete/Microcontroller Board (Arduino)ATmegaArduino Pro MiniThe Arduino Pro Mini is a microcontroller board based on the ATmega168. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers. A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board.blkAnalog Input 2GroundAnalog Input 3Regulated power supply (3.3 or 5V)Analog Input 4Digital I/O 0Digital I/O 1GRNDigital I/O 1Digital I/O 0ResetGroundDigital I/O 2Digital I/O 3Digital I/O 4Digital I/O 5Digital I/O 6Digital I/O 7Digital I/O 8Digital I/O 9Digital I/O 10Digital I/O 11Analog Input 5Digital I/O 12Regulated power supply (3.3 or 5V)Digital I/O 13ResetAnalog Input 0GroundAnalog Input 1Raw power (unregulated)