ATmega32U4 and 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, an ICSP header, and a reset button.
- ATMEGA32U4 running in 5V / 16MHz
- Support Arduino IDE V1.0.1
- Micro USB interface programming on the board
- Four 10-bit ADC pin
- 12 digital I / O (5 PWM capability)
- Rx and Tx hardware serial connection.