9 digital input/output pins (of which 4 can be used as PWM outputs and 4 as analog inputs)
An 8 MHz resonator
A micro USB connection
A JST connector for a 3.7V LiPo battery
A reset button
Contains everything needed to support the microcontroller
Simply connect it to a computer with a USB cable or power it with a battery to get started
ATmega32u4 has built-in USB communication, eliminating the need for a separate USB-to-serial adapter. Which allows the LilyPad USB to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port.
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