当环境光线变亮时，又自动关闭灯带。 连接 Arduino ↔ LDR 分压 ↔ 继电器模块 ↔ 12V 灯带。 热熔胶枪（可选） 用于固定 LDR 位置或整理线材，提升结构可靠性。 A0 点的电压随光照变化而变化，Arduino 通过 analogRead(A0) 读到 0–1023 之间的数值，即可反映当前亮度。

You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the button is not pressed and 1 that the button is ...

There was a point in time, excruciatingly brief, in which desktop computers often had a large “TURBO” button on their front panel. Some even featured an LED display that would indicate the current CPU ...

As if you already weren’t agonizing over whether or not you should build your own arcade cabinet, add this one to the list of compelling reasons why you should dedicate an unreasonable amount of ...

导语：昨天介绍了如何用柠檬做个LED灯，如果你觉得那个too simple，不防尝试用Arduino来控制RGB LED灯吧。 昨天介绍了如何用柠檬做个LED灯，如果你觉得那个too simple，不防尝试用Arduino来控制RGB LED灯吧。 这一步比较随意，将LED灯接到面包板任何地方都行，不过灯的 ...

Makers, hobbyists and electronics enthusiasts looking for a project to keep them busy this weekend may be interested in a new DIY Arduino arcade game project which uses LEGO bricks and Arduino ...