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( ...

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 ...

[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 ...

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 ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

Instructables member Qttting_F has published a fantastic project detailing how to build a Water Surface Lamp, using a little Arduino coding and hardware, combined with a few LED lights to great effect ...

Riding a bicycle at night is a bit dangerous, but electronics blogger Jenna DeBoisblanc shows off how to build a system that includes turn signals, a strobe light, speedometer, and brake lights to ...

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 ...

Adnan’s innovative project involves a sophisticated yet accessible setup. The Arduino Uno, which is a popular microcontroller board, is connected to the motorbike’s existing signalling system. This ...