物联网 (IoT) 不只是新技术，还是与旧技术的集成，其关键在于通信。可用的通信方法各不相同，但是，各种不同的协议在将海量 “事物” 连接到互联网时发挥着重要的作用。 本文介绍了两种物联网补充协议：用于短距离设备连接的本地协议 Modbus 以及支持物 ...

最近做了一个物联网的项目，顺便总结一下MQTT协议。大家都知道，MQTT协议在物联网中很常用，如果你对此还不是很了解 ...

Billions of connected devices need to communicate and move data effectively across networks and cloud platforms. Here’s why MQTT is the standard protocol. The internet of things (IoT) continues to ...

For the last few months, I had been using Sparkfun’s Phant server as a data logger for a small science project. Unfortunately, they’ve had some serious technical issues and have discontinued the ...

Last time on Minimal MQTT, we used a Raspberry Pi to set up an MQTT broker — the central hub of a home data network. Now it’s time to add some sensor and display nodes and get this thing running. So ...