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
Click the blue text above to follow us Every day there are fun things waiting for you In the IoT project architecture, besides the TCP-based MQTT protocol, the most commonly used is the UDP-based CoAP protocol. Both can be said to hold equal advantages. The CoAP protocol runs on top of UDP, and the message … Read more
Source: LPWAN Technology IoT Think Tank Organized and Published Please indicate the source when reprinting —— [Introduction] —— The author’s remarks: The following narrative is solely personal opinion, devoid of any emotional color. Background The core development technologies of NB-IoT are held by a few major companies, such as Huawei HiSilicon, Qualcomm, and Intel. Of … Read more
1. LiteOS OC COAP Abstract Component Overview To accommodate various modes of using CoAP to connect to Huawei OC, this layer interface is adopted, providing the necessary interfaces for applications above and allowing flexible adaptation of access methods below. The OC COAP AL API interface is declared in <oc_coap_al.h>, and you need to include this … Read more
“For the Internet of Things, the most important aspect is communication with devices. Currently, the common communication protocols in IoT include: MQTT, CoAP, HTTP, XMPP, SoAP“ 01 — MQTT MQTT (Message Queuing Telemetry Transport) was originally developed by IBM as an instant messaging protocol. The MQTT protocol is designed for communication between remote sensors and … Read more
↑ Click the above“IoT Time and Space” to follow us Reprint must indicate the source: “IoT Time and Space” WeChat official account (IoT-LPWAN)。 The main IoT application layer protocols include CoAP, MQTT, XMPP, HTTP, etc. The “IoT Time and Space” public account will analyze and compare these protocols separately. First, let’s take a look at … Read more
A new protocol support has been added to the IoT access — CoAP (Constrained Application Protocol)! What is IoT access? It is a fully managed cloud service developed by Baidu Smart Cloud’s Tiangong team, which helps the Internet of Things establish secure and reliable bidirectional connections and device management between devices and the cloud. It … Read more
Hands-On Writing of UDP Protocol Stack Series No. Content 1 “Hands-On Writing of UDP Protocol Stack – UDP Protocol Stack Format” 2 “Hands-On Writing of UDP Protocol Stack – DHCP Message Parsing” 3 “Hands-On Writing of UDP Protocol Stack – OTA Host” 4 “Hands-On Writing of UDP Protocol Stack – DNS Message Parsing” 5 “Hands-On … Read more