11EMULATING USB MICE AND KEYBOARDS WITH THE LEONARDO
This chapter shows you how to convert information gathered by the Arduino into keypresses or mouse movements and then send them to a computer to simulate typing on a USB keyboard or to simulate manipulating an external mouse. To do so, you’ll use the Arduino Leonardo development board, which has a few subtle differences from the usual Uno or compatible board.
Along with a micro-USB connector and a complete surface-mount design for all the main components, the Leonardo uses Microchip Technology’s ATmega32U4 microcontroller. This microcontroller has built-in USB communication, so the board ...
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