Autor: iot-en (page 148)

O MQTT é um protocolo de transporte de publicação/subscrição de mensagens baseado em cliente-servidor. O protocolo MQTT é leve, simples, aberto e fácil de implementar. Estas caraterísticas tornam-no aplicável a uma vasta gama de aplicações. Em muitos casos, inclusive em ambientes restritos, como...

Em todos os aspectos, na era da IoT, a ligação é o núcleo, e as aplicações IoT e as tecnologias de comunicação IoT andam de mãos dadas. Falar sobre a Internet das Coisas sem considerar os diferentes modelos de conetividade de rede existentes é como...

IoT projects tend to start small and replicate quickly, so the ability to scale seamlessly and geographically is critical, especially in global deployments. 85% of global enterprises are considering an IoT strategy, and enterprises need to build on it to…

At present, there are many types of interfaces in communication equipment, and you will always encounter various conversion boards during debugging. Today, this article will help you understand the differences between these interfaces. First of all, the serial port, UART…

One of the hallmarks of the construction industry is its enormous capacity to reinvent itself. The integration of technology trends such as the Internet of Things will facilitate many tasks in the industry, such as optimizing resources and improving the…

What is NB-IoT NB-IoT is a wireless cellular network communication protocol. It is the abbreviation of NArrow Band Internet of Things, which means narrowband Internet of Things. It is a low-power wide-coverage Internet of Things technology (LPWA). Narrowband only refers…

A basic understanding diagram of MQTT: Basic flow chart: MQTT is a link protocol that specifies how to organize data bytes and transmit them over a TCP/IP network. But in reality, developers don’t need to link to the specific details…

First introduction to MQTT The Internet of Things, as the name suggests, is the Internet where things are connected. It can link objects through the Internet, and these objects can collaborate with each other. MQTT is a TCP/IP-based protocol for…

As the national government’s investment in the construction of smart cities gradually increases, smart street lights are basically built as an intensive urban infrastructure in all constructions, playing the role of the most important transportation hub. They can drive All…

MQTT (Message Queuing Telemetry Transport) is a client-server publish/subscribe messaging transport protocol that is lightweight, open, simple, simple in design, and easy to implement. Although HTTP is the epic standard for web pages, for large-scale communication between machines (Machine-to-Machine, M2M),…

As the cost of adopting IoT technology continues to decrease, the willingness of various industries to enable IoT is becoming stronger and stronger. For the construction industry, it is reaching a tipping point where the ROI of implementing IoT will…

5G is not just an iteration after 3G or 4G, 5G will have an impact similar to the introduction of electricity or cars, which will affect the entire economy and benefit the entire society. Just as 3G supports images and…