基于 Arduino 的自动昼夜 LED 灯带控制器设计

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( ...
Electronic Design

Arduino Releases Nesso N1 Next-Level IoT Dev Kit

Arduino announced it has collaborated with M5Stack to develop the new compact and powerful Nesso N1 IoT development kit. This ...
Liliputing

Open Book Touch is a full-featured, open source eReader (crowdfunding soon)

The Open Book Touch also runs open source firmware. The default firmware features a UI framework called Focus, which is based ...
Circuit Digest

How to Install Windows 11 on Raspberry Pi Devices

Technical Note: The microSD card must remain inserted permanently for Raspberry Pi 5 Windows 11 installations. It acts as the ...
Leicester Mercury

Leicestershire Police

Leicestershire Police is the territorial police force responsible for policing Leicestershire and Rutland. Its headquarters are at Enderby. Keep up to date with the latest news from the force, and the ...