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( ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

Teams, survivors, caregivers and the public are invited to attend and walk during the Relay for Life for the Anthracite Region on Saturday at the Tamaqua Area High School Stadium. The American Cancer ...

HONG KONG, Nov. 2, 2025 /PRNewswire/ -- On November 2, the torch relay for the 15th National Games, of the People's Republic of China was launched simultaneously in four cities: Hong Kong, Macao, ...

Aryan Gupta’s sanitation rover replaces unsafe manual drain cleaning with a remotely operated, low-cost robot that protects workers and exemplifies ethical, human-centered engineering in urban India.

Qatar Cancer Society (QCS) invites all members of the community to participate in the second edition of the inspiring global event “Relay for Life 2025,” which will be organised by the Society this ...

Qualcomm announced Tuesday it is buying Arduino, an Italian developer of tiny computers used worldwide by artists and makers for interactive projects. The San Diego-based company’s Qualcomm ...

We just wound down our annual St. Jude fundraiser. The Relay community was once again incredibly generous, donating $753,756 to help end childhood cancer around the world. This makes 2025 our ...

Survivors and caregivers lap the halls of First United Methodist Church in Laurinburg, cheered on by the community during the Relay for Life. LAURINBURG — Chelsey Hunt Dial was 29 when she received a ...

DuBOIS — The Relay For Life of DuBois and Elk County will rev up its 2026 season with its 14th Annual Car Cruz-In on Saturday, Sept. 27, at DuBois City Park. Registration begins at 11 a.m., with the ...