Arduino tricks that you're familiar with: 9 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx. Running at 16MHz and 5V, this board will remind you a lot of your other favorite Arduino-compatible boards but this little guy can go just about anywhere. There is a voltage regulator on board so it can accept voltage up to 12VDC. If you're supplying unregulated power to the board, be sure to connect to the "RAW" pin on not VCC.

• ATmega32U4 running at 5V/16MHz

• Supported under Arduino IDE v1.0.1+

• On-Board micro-USB connector for programming

• 9x 10-bit ADC pins

• 12x Digital I/Os (5 are PWM capable)

• Rx and Tx Hardware Serial Connections

• Our Smallest Arduino-Compatible Board Yet!

• 1.3"x0.7"

• Host port USB Micro B

• Clock speed 16 MHz

• RAM 2.5 KB

• Program memory 32 KB

• EEPROM 1 KB

• Boot loader Caterina