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。 为了安全与隔离，LED 灯带不直接由 Arduino 供电，而是： 灯带的 正极( ...

The company has launched boards running Linux before, including the Yun and the Tian, yet it's typically competed more with ...

Halloween is about tricks and treats, but who wouldn’t fancy a bit to drink with that? [John Sutley] decided to complete his Halloween party with a drink dispenser looking as though it was dumped by a ...

Authored by embedded ML specialists with extensive experience in ESP32 voice recognition architecture, TinyML optimisation, ...

[导读]序列游戏因其简单和令人上瘾的玩法而广受欢迎。使用Arduino， LED，按钮和一些代码，您可以设计一个游戏，玩家必须以正确的顺序复制一系列灯光。每个成功的回合都会增加序列长度，使游戏逐渐变得更加困难。 •将阴极连接到GND。 •连接LED：通过220Ω ...

FireBeetle 2 ESP32-C5 IoT development board offers GDI display interface, LiPo battery support, 18x GPIO, USB-C port, and ...

Real-time environmental monitoring is increasingly important in agriculture, industrial automation, smart homes, and healthcare. The real-time data monitoring ...

When you press the button, the LED matrix displays a dice roll animation and stops on a random number between 1 and 6. Built using SPI communication with the MAX7219 driver.

A Password is a secret code that is stored on a server and can be used to access your account from any location, at least when speaking of computer-related accounts. Now they say that since servers ...

You bought into the LED hype, right? LED bulbs are supposed to save you money, last practically forever and maybe even talk to Alexa. Plus, they're better for the planet and more efficient. So why are ...

Alaska Airlines says their flight operations have been restored after a "significant IT outage" led to a system-wide ground stop of hundreds of Alaska and Horizon flights. The ground stop was ...

在消费级物联网领域，高通、联发科、展锐、瑞芯微、君正等厂商凭借各自优势占据着高性能设备市场的重要位置。然而，当我们将目光转向那些更贴近日常生活的物联网设备，如智能门锁、智慧照明、智能家电等，会发现主导这些领域的芯片厂商并非上述几家。近期，通过与芯科科 ...