The 5mm Blue LED’s are positioned 30mm apart ... bottom right – shown passing through NPN transistors). The Arduino Mega 2560 R3 is positioned on a suspended platform, with the anodes ...

Fastest finger first indicators (FFFIs) bring precision to quiz games, measuring contestants’ reaction times with accuracy.

推荐使用Arduino Uno等开发板，并详细说明了如何安装和使用Adafruit NeoPixel库来控制智能可寻址 LED灯带。文章还解释了如何组装电路、编写和修改函数 ...

The Arduino Mega is a useful tool for the maker. Generally, once one has come up with plans for blinking LEDs that require more IO than is available on the Arduino Uno, one graduates to the Mega ...