前言遥控器种类主要‌按传输技术分为红外遥控器、无线电遥控器、蓝牙遥控器、WiFi 遥控器等‌，同时也可按应用场景、通道数、编码方式等维度进行分类。下图是一款红外遥控器，其中的功能有：开启，关闭，减亮，加亮，2分，5分，10分，分可以理解成档位。

Arduino is great, but it sometimes gets in the way due to its entry level style of doing things. One limitation is making your own library that also includes other libraries.[Scott] has sent in a ...

SEGGER and Arduino have announced that SEGGER’s J-Link debugging solutions are now fully compatible with Arduino Portenta boards and IDE. Developers will be able to purchase a J-Link from the Arduino ...