13.6.2 Understanding the MQTT Protocol Visually Using the roles of a TV station, reporter, and audience makes it easier to understand: TV Station: In MQTT, it is referred to as the server (broker). It has the following functions: ① Accepts network connections from clients; // reporters/audience connect to the TV station ② Accepts application information … Read more
Is the Internet of Things hot? I think it is. In fact, the Internet of Things has unconsciously integrated into our lives, bringing us convenience, such as smart locks, ETC electronic toll collection systems, etc. At first, everyone felt it was quite novel, but now it has become commonplace. It can be said that the … Read more
Introduction: Want to quickly set up a reliable messaging hub for smart hardware and industrial IoT? Apache Artemis is not only the successor to ActiveMQ but also the hidden MQTT Protocol King! It supports millions of device connections with millisecond latency. Today, I will guide you step-by-step to deploy your dedicated MQTT Broker, and at … Read more
1. What Is MQTT Protocol The full name of MQTT protocol is Message Queuing Telemetry Transport, translated as Message Queue Telemetry Transport. It is a message protocol based on the publish-subscribe model under ISO standards, based on the TCP/IP protocol suite, designed to improve the performance of network device hardware and the network itself. MQTT … Read more
Robot Technology Communication and Secondary Development, follow the clickable public account. This public account provides a platform for communication in robot application technology, currently supporting mainstream KUKA, ABB, and UR robots. For details, please leave a message in the background. SasApps Official Website: http://www.sassapps.cn/ Public Account Download Address: In addition to using the API to … Read more
Note: The exploration of Home Assistant-ESPHome is not yet complete. We will continue to improve the ESPHome ESP32 Mixly board, making it easier for everyone to enjoy ESPHome smart home devices. In this chapter, we will explore how to connect MQTT devices to Home Assistant using Mixly programming. First, create an MQTT client in Home … Read more
When using the OneNET platform, if we develop our own applications, there will generally be a need to obtain the online and offline information of devices as well as the data points uploaded by the devices. To meet the above requirements, we have the following two methods: Use OneNET’s HTTP RESTful API to poll for … Read more
With the continuous increase in the number of IoT devices, the communication or connection between these devices has become an important topic of consideration.Communication is very common and critical for the IoT, whether it is short-range wireless transmission technology or mobile communication technology, both influence the development of the IoT.In communication, communication protocols are particularly … Read more
Wan Dun, Li Ya, Zhang Yu, Li Zhan, Zhang Xu (Henan Polytechnic University, Jiaozuo, Henan 454003) Abstract: The mushroom greenhouse needs to provide a suitable growing environment for mushrooms, in response to the problems existing in the current traditional greenhouse production model, we designed an IoT-based mushroom greenhouse monitoring and control system, to improve yield, … Read more
Qiming Cloud/ 01 Problem Description When using the ESP32-S3 chip/module with a USB wireless network card and ESP-IDF version idf5.0.3, the client encountered an issue where the computer could not recognize the USB device after compiling and flashing the esp-iot-bridge/examples/wireless_nic example. What could be the reason? Qiming Cloud/ 02 Solution Approach After understanding the client’s … Read more