The ESP32 keeps finding new jobs in my house.

In our everyday lives, environmental conditions like temperature and humidity can have a big impact, whether it’s in your home, office, greenhouse, or server room. Imagine leaving your room for a few ...

[导读]矩阵中的按钮代表LED。您可以根据需要切换它们，然后按“发送到UNO”。此按钮数据被转换为JSON并发送到后端。一旦您 ...

JsonDocument作为整个V6版本ArduinoJson库的内存入口，负责处理整个json数据的内存管理，这是我们需要首先重点关注的内容。 创建一个JsonDocument之后，默认初始化为空，调用 JsonDocument::isNull()会返回true，这个时候既可以代表当做jsonObject，也可以当做jsonArray，这取决于 ...

Ever wished your Arduino could send you an SMS alert when something important happens—like an intruder detected by your DIY security system, or a gas leak in your kitchen? With just an Arduino UNO R4 ...

Have you ever wondered how to open a JSON file? Probably not. However, for those who do, chances are you’ve tried everything under the sun but still cannot find a way to gain access to the data inside ...

Iridium Certus 7904 Satellite IoT Developer Kit is a compact Arduino-programmable devkit with satellite connectivity, a microSD card for data storage, USB and LiPo battery power support, and various ...

[导读]近年来，基于Arduino和ESP32的web服务器项目在各种应用中变得非常流行和有用。但是这种web服务器的一个主要缺点是它的静态特性。意思是通过HTTP更新网页，你需要在更新任何数据之前更新整个网页。这个问题有很多解决方法，比如几秒钟后自动刷新网页 ...

If an Arduino port is not showing up, your USB connection might be faulty or the ports may be disabled entirely. We will show you how to enable a port in Arduino and look it up in the Device Manager.