昨天认识了Arduino，今天来看看Arduino的各种常用开发板。 它有各种型号的，如Arduino Uno、Arduino Leonardo、Arduino101、Arduino Mega 2560、Arduino Nano、Arduino Micro、Arduino Ethernet、ArduinoYún、Arduino Due、Arduino33 ...

Timer4 on the ATmega32U4 (Arduino Leonardo, Micro, Pro Micro) is another one of Microchip/Atmel’s high-speed timers that can be fed by a PLL (phase-locked-loop) multiplied version of the 16MHz system ...

Adding USB functionality to your Arduino projects used to be a pain, but thankfully, the V-USB project came along and gave your ATMEGA328 the ability to control the USB lines directly and mimic simple ...