Product Name: Leonardo R3 Pro Micro ATmega32U4 Board for Arduino UNO MEGA R3 Mega2560 Duemilanove Nano with USB Cable
The Leonardo is a microcontroller board based on the ATmega32U4. It has 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, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.
Operating Voltage 5V Input Voltage (recommended)
Digital I/O Pins 20
PWM Channels 7 Analog Input Channels
12 DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA
Flash Memory 32 KB of which 4 KB used by boot loader SRAM 2.5 KB EEPROM 1 KB Clock Speed 16 MHz
2x Leonardo R3 Board