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 ...
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 ReSpeaker Lite ($32) is a ESP32-based audio kit with a 2-mic array from Seeed Studio that can transform your old speakers ...
Sfera Labs announces lower prices for its popular Iono RP and Iono RP D16 modules. Known for reliability, robust design, and ...