TIME:201608311120
DESCRIPTION: In Arduino Leonardo, Serial is reserved for USB CDC devices. The onboard RX and TX use Serial1, so the default serial port for boards like Leonardo is changed to Serial1. (Arduino Leonardo SerialUSB CDC豸RXTXΪSerial1ԽLeonardoȰĬϴ޸ΪSerial1)

TIME:201607082007
DESCRIPTION: To allow switching serial ports on devices like Arduino Mega that have multiple hardware serial ports, the static method was removed. (ΪArduino Mega ȾжӲڵ豸лڣȥ̬)

