On one hand this means that sketches on the Leo are a little bigger because it's also handling USB interaction. On the other hand, it allows the Leonardo to appear to a connected computer as a mouse and/or keyboard, in addition to a virtual (CDC) serial / COM port. It also has ...
带有漂亮LED指示灯的USB引导程序,兼容AVR109(与Flora,Feather 32u4,Leonardo等相同) 微型USB插孔用于电源,USB上传和调试,您可以将它放在一个盒子里或用胶带粘贴起来,当您想重新编程时使用任何Micro USB电缆。 可以充当USB HID键盘,鼠标,MIDI或纯USB“CDC”串行设备(默认) 用USB或外部输出(如电池)供电到VBAT引脚 - ...