Arduino Leonardo – Atmega32U4 Usb-Native Microcontroller With Pre-Soldered Headers

Description

The Arduino Leonardo is a microcontroller board based on the ATmega32u4 (datasheet). 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 a ACtoDC adapter or battery to get started. The Leonardo differs from all preceding boards in that the ATmega32u4 has builtin USB communication eliminating the need for a secondary processor. This allows the Leonardo to appear to a connected computer as a mouse and keyboard in addition to a virtual (CDC) serial / COM port. It also has other implications for the behaviour of the board.

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