Día: 18 de diciembre de 2023 (página 77)

In response to the problem that satellite positioning cannot be used in indoor environments, there are many different indoor positioning technologies on the market. Common indoor wireless positioning technologies include: Wi-Fi, Bluetooth, infrared, ultra-wideband, RFID, ZigBee, etc. Bluetooth is a…

Coal has always been the main energy source in China, and coal mine geological monitoring is an important guarantee for safe production in coal mines. Distributed optical fiber sensing technology has the advantages of continuous sensing points, high precision, anti-electromagnetic…

The radio frequency signal amplifier (RF PA) is an important part of the transmission system, and its importance is obvious. What is a radio frequency signal amplifier? The following gives us a brief introduction to the concept of RF signal…

We have analyzed the factors that affect the antenna transmission distance before. In fact, the antenna gain also has a very large impact on the transmission distance. So, is the higher the antenna gain, the better? Once you understand the…

The layout of components in PCB design is crucial. A correct and reasonable layout not only makes the layout more tidy and beautiful, but also affects the length and quantity of printed wires. A good PCB component layout is extremely…

Crystal oscillator is a crystal oscillator. It mainly provides a highly stable time frequency signal for the circuit so that electronic components can work uniformly. How is this achieved? 1. Working principle of crystal oscillator It turns out that the…

Gateways, routers, and switches are also devices that connect to the network, but they have different functions and uses. First, let’s understand what gateways, routers, and switches are. gateway Simply put, a gateway is a device that connects two networks.…

Bluetooth 5.0 is a Bluetooth technology standard proposed by the Bluetooth Technology Alliance in 2016. Bluetooth 5.0 has corresponding improvements and optimizations for the speed of low-power devices. Bluetooth 5.0 combines wifi to assist indoor positioning, improves transmission speed, and…

Bluetooth is a short-range wireless communication technology that can complete data exchange between fixed devices and mobile devices. Generally, BR/EDR Bluetooth before Bluetooth 3.0 is called traditional Bluetooth, while Bluetooth BLE under the Bluetooth 4.0 standard is called Bluetooth Low…

What is a wireless communication gateway Wireless communication gateway is a gateway that uses wireless technology for transmission. It is widely used in vehicle monitoring, remote control, telemetry, small wireless networks, wireless meter reading, access control systems, community paging, industrial…

Among the many IoT innovations tested in cities and regions around the world in recent years, smart transportation systems have moved from pilots to implementation, with promising success. An ambitious project in the Netherlands now relies on hundreds of smart…

Emerging technologies are always developing and adapting at a breakneck pace, and new uses and developments appear with surprising regularity. The Internet of Things may have been around for too long to be classified as a truly emerging technology, but…