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( ...

I recently won an Amazon Echo in a BBQ cooking competition and I was eager to get it set up in my house. As you may know, the Echo allows you to use voice commands to do things like order from Amazon, ...

Arduino on Tuesday announced a new low-code Internet of Things application development platform at CES 2020 in Las Vegas. It also introduced the low-power Arduino Portenta H7 module, a new family of ...

Arduino has unveiled a new low-code solution for product creators designing hardware for the internet of things (IoT). It also unveiled a new family of Portenta chips for a variety of hardware ...

The team behind the Arduino robotics kit wants to push users beyond standard programming to give them the chance to invent their own IoT products. Arduino is a single-board computer kit which aims to ...

If you are building Internet of Things (IoT) projects, the ability to receive real-time alerts is a game-changer. Arduino, a prominent player in the IoT space, has introduced a new feature to its ...

Arduino has announced the launch of its Oplà IoT Kit, described as an open programmable IoT platform. It aims to simplify the building of custom IoT devices, with support for cryptographic control ...

Arduino Day took place in California at the weekend and founder Massimo Banzi unveiled the embedded development board community’s most powerful IoT platform to date. The launch of the MKR1000 joined a ...

The official Arduino developing team has this week announced new additions to its excellent Arduino IoT Cloud with the addition of new Value Selector and Value Dropdown Widgets. The Arduino Cloud has ...

As IoT devices become more prevalent in the consumer world, how long will it be before it’s cheaper to buy one, than to make one? Definitely not yet, which means if you want your very own IoT power ...