In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 ...
Have you ever looked at a small development board like an Arduino or an ESP8266 board and thought you’d like one with just a ...
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( ...
Halloween is about tricks and treats, but who wouldn’t fancy a bit to drink with that? [John Sutley] decided to complete his Halloween party with a drink dispenser looking as though it was dumped by a ...
Abstract: The emergence of the Internet of Things (IoT) has presented novel prospects and complications for networking. The multitude of interconnected gadgets and systems provides unparalleled ...
Abstract: This paper presents a cost-effective IoT-based Patient Health Monitoring System designed to provide continuous, real-time monitoring of vital signs, particularly suited for use in rural ...