Arduino Leonardo Pinout includes 20 digital I/O pins, 12 analog inputs and 7 PWMs. It uses ATmega32U4 microcontroller working at 16 MHz.
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With ATmega32U4, running at 5V/16MHz. Supported under IDE v1.0.1. 12 x Digital I/Os (5 are PWM capable). Rx and Tx Hardware Serial Connections.
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