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 ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting pattern I wanted and the shape I decide. That's why I started to build this ...