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( ...

Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. Anyone interested in creating interactive objects can “play” with Arduino! Described ...

Here is a simple Arduino Camping Light project. In this design, only one push button switch is used to control the light output (from a bunch of white LEDs) between off, dim, medium, and full ...

If you like decorating your house for the holidays, these digital LEDs save the trouble of manual teardowns by using Arduino to modify animation effects each season. Instructables user CarlS powered ...

[Kalle Hyvönen] just finished building his own aquarium lights. He used four powerful soft-white LEDs, mounting them on a pair of heat sinks to keep things cool. Now he could have just connected them ...

[Rob] created these amazing Bluetooth controlled LED lights for his daughter’s wedding adding a colorful ambient glow to the ceremony. Each item held a Neopixel ring and an Arduino microprocessor with ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. People use ugly sweater parties as opportunities to get creative ...

This project proves that even recycled materials can be used to create fantastic looking home decor. Energy efficient LED lights and used PPE milk bottles become stylish lamps that are controlled via ...

With the holiday season fast approaching it might be time to invest in a new set of fairy lights to decorate your home or office. But why settle for boring off-the-shelf lights when you could be using ...

This week I will outline a project for Halloween that uses the Arduino and a light to create a glowing effect inside a pumpkin. I use artificial pumpkins for projects like this so I can reuse them in ...