Abstract: Yesterday, during the weekend, I came across a video on Douyin that claimed building a small IoT project would cost several hundred dollars. After watching it, I exclaimed that it was quite misleading. Today, I will organize a fun little IoT project from before that I guarantee you can complete in just 10 minutes. … Read more
IoT protocols refer to the protocols used for communication and data transmission between devices in an IoT environment. Depending on their functions, IoT protocols can be divided into two main categories: transport protocols and communication protocols. Transport Protocols: Mainly responsible for networking and communication between devices within a subnet, such as Wi-Fi, Ethernet, RFID, NFC … Read more
Click the blue text above: “IoT Guesthouse” to follow us In this section, we will guide you to update the Ai-Thinker ESP8266 MQTT transparent transmission AT firmware, and then use a serial tool to control the ESP8266 to connect to Wumart Smart. 01 Preparation 1Hardware Preparation (1) Prepare the ESP8266 module, we will use the … Read more
The Raspberry Pi, designed for learning computer programming education, is a microcomputer the size of a credit card, with a system based on Linux. Since its launch, it has been favored by many computer enthusiasts and makers. Despite its small size, it is incredibly powerful! So what sparks can be created when the Raspberry Pi … Read more
Reminder: This chapter mainly covers how to publish and subscribe to MQTT topics via web services, thereby controlling the faucet. It also includes the assembly and testing of faucet components. 1. Design Requirements Any third-party device can access the web page to control the faucet. Graphical interactive interface. The web access is provided by the … Read more
After the Internet, the Internet of Things (IoT) will be a major development trend. The release of various smart hardware and the continuous updates in network technology are also accelerating the arrival of this “connected world” era. For developers, understanding the major IoT development platforms is essential to make achievements in this booming field. Today, … Read more
Detailed Explanation of AIoT Technology Issue11 Background In the field of the Internet of Things (IoT), as the scale of enterprise business gradually expands, the number of terminal devices increases. The cost of self-built MQTT cluster horizontal expansion and ongoing maintenance becomes increasingly high. There is an urgent need to find a highly reliable, secure, … Read more
The Expert Speaks The Internet of Things and the concept of connecting everything is quite trendy, isn’t it? Upon seeing Alibaba Cloud’s IoT platform, I thought about directly connecting the PLC to the Alibaba Cloud IoT platform. After several days of testing, I finally succeeded. ▲ Siemens’ MQTT client library ▲ Publishing messages ▲ Platform … Read more
Introduction: Flexible Authentication/Authorization Mechanisms Provide Efficient Security Assurance EMQX has always placed great emphasis on security, providing continuous enhancement of security guarantees for IoT users through a wide range of out-of-the-box security features, including MQTT over TLS/SSL, transmission encryption and authentication integration based on national cryptography algorithms, as well as various identity authentication functions such … Read more
This article mainly covers the implementation of MQTT server connection and topic publishing in Python & the implementation of Python forms. Refer to the following for setting up the MQTT server: http://www.guyuehome.com/44993 Design Goals: Implement remote control for faucet switch Implement scheduled remote control for faucet Implement a visual interactive interface Based on the above … Read more