Bluetooth (蓝牙) is a term we are all too familiar with—Bluetooth headsets, Bluetooth mice, Bluetooth speakers… Bluetooth is closely related to our lives. But what exactly is Bluetooth? This story starts with a Danish king. Bluetooth is actually a short-range wireless communication technology that is a global open standard for wireless transmission of voice and … Read more
Click the Blue Text Follow Us 1. Introduction 1. Concept Zigbee is a wireless communication protocol widely used for connecting Internet of Things (IoT) devices. It is based on the IEEE 802.15.4 standard and uses low-power digital radio to create Personal Area Networks (PAN). Zigbee networks are characterized by low data rates, low power consumption, … Read more
Wireless networks can be divided into two types. One type is infrastructure-based networks, which require fixed base stations, such as mobile communication networks that need tall antennas and high-power base stations for support; the other type is infrastructure-less networks, including mobile Ad Hoc networks and wireless sensor networks (WSN), where the nodes are distributed without … Read more
▌Solution Overview There are many technologies available for reading water meters, which can mainly be categorized into wired and wireless reading methods. Among various meter reading technologies, wireless meter reading is more widely accepted due to its ease of installation and maintenance without the need for on-site wiring. However, some wireless technologies also face application … Read more
This article is sourced from: IoT Media Author: Silver Craftsman The LoRa technology, launched a few years ago, excited the entire IoT industry due to its long transmission distance and much lower power consumption compared to other wireless communication technologies. Many believe that the emergence of LoRa and other LPWAN technologies can fill the gaps … Read more
Author: Brian Ray Source: CSDN IoT Development Choosing the right technology is key to success. Wireless technology allows devices to establish network connections and communicate with each other without the need for wired cables. This article will detail the characteristics of five IEEE protocols. Various types of wireless network technologies support communication between devices or … Read more
Authors: Feng Feng, Wen An An Published by: IoT Think Tank Please indicate the source and origin when reprinting Introduction To further understand LoRa from a theoretical and fundamental perspective, thereby reasonably selecting suitable communication technologies to provide users with higher quality smart home products and services. Anyone who has used smart home devices knows … Read more
Health Score: 100 In today’s digital age, the rapid development of the Internet of Things (IoT) has brought numerous conveniences to our lives. Wireless communication technology plays a crucial role in achieving interconnectivity among various smart devices. Zigbee technology, as a low-power, low-data-rate wireless communication technology, has become the preferred choice for many IoT applications. … Read more
Introduction ZigBee is considered a secure communication protocol. Its security architecture complements the security services provided by the IEEE 802.15.4 standard. The security services provided by ZigBee include secure key establishment, secure key transfer, frame protection through symmetric encryption, and secure device management. However, its security features are based on certain inherent assumptions: • ZigBee … Read more
IoT Communication Protocol Cloud Protocol IoT devices that support TCP/IP can connect to the cloud using HTTP, MQTT, CoAP, LwM2M, and XMPP application layer protocols through Wi-Fi, cellular networks, and Ethernet. Gateway Protocol The gateway protocol is suitable for short-range communications that cannot connect to the cloud directly, such as Bluetooth, ZigBee, and LoRa. These … Read more