1. What is MQTT? MQTT, short for Message Queuing Telemetry Transport, is a lightweight protocol designed specifically for devices with unstable networks and limited bandwidth. For example, in Northeast China, there are times when the signal is poor, making it difficult to access the internet on mobile phones. This is when MQTT comes into play. … Read more
CoAP: A Lightweight HTTP in IoT Hello everyone! Today I want to talk to you about a very important protocol in the field of IoT – CoAP (Constrained Application Protocol). As a veteran in embedded development, I know how painful it is to use traditional HTTP on resource-constrained devices. CoAP is like the ‘lightweight cousin’ … Read more
This article is an excellent piece from the Kanxue Forum. Kanxue Forum Author ID: Feng Yi Ying Han It seems that there is very little content related to the CoAP protocol on domestic security forums like Kanxue, and the CVEs mainly involve vulnerabilities in the CoAP protocol library. Therefore, I will organize and record my … 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
IoT protocols refer to the protocols used for communication and data transmission between devices in an IoT environment. Based on their functions, IoT protocols can be categorized into Transport Protocols, Communication Protocols, and Industry Protocols. Transport Protocols: Generally responsible for networking and communication between devices within a subnet. Examples include Wi-Fi, Ethernet, NFC, Zigbee, Bluetooth, … Read more
Yesterday, a news article from Shanghai was praised by the People’s Daily, which also suggested nationwide promotion. Colleagues are celebrating the application of NB-IoT. What is NB-IoT? What are the advantages of NB-IoT? What can NB-IoT do? What is its relationship with the Internet of Things? 1. What is NB-IoT 2. Four Major Features of … Read more
The Anti-Pyramid Scheme Network released on July 6:This article introduces the fundamental knowledge of the Internet of Things, what it is, and common IoT protocols.Why have participants in IoT investment projects been severely deceived in recent years? Where have the core members of those promotional IoT project investment platforms gone? Not going to discuss that … Read more
For software companies, the IoT model brings decisive changes to their hardware design and the services they provide. One of the most impactful aspects is the communication protocols. 1 Communication Protocols Communication protocols can be thought of as a language, allowing two or more devices to communicate with each other. Just as there are rules … Read more
As an IoT developer and learner, testing and debugging IoT device protocols is a crucial part of the job! The Toolkit integrates MQTT, CoAP, and NB-IoT protocols into one, with a memory footprint of only 15M, making it a command-line tool designed for IoT developers and engineers! var __INLINE_SCRIPT__ = (function () { 'use strict'; … Read more
1. Cloud Preparation – Register and Log in to OC Platform Register and log in to the Huawei OceanConnect platform using a Huawei Cloud account. The interface after entering is as follows: 2. Cloud Operations – Create Cloud Device 2.1. Create Project Click to create a project: Fill in the information and submit: After creation, … Read more