nd it has been moved to the corner of the board near the USB interface, making it easier to press.
ATmega16U2 replaces 8U2. This does not mean that R3 with 16K flash can make your code run faster. This updat is for the USB interface chip. In theory, it allows UNO to simulate USB HID, such as MIDI/ Joystick/Keyboard.
Advantages:
Completely solve the traditional UNO board win7 and win8 system is not compatible with the above instability. Especially in the pirated 64-bit WIN7 system, the