Through comparison and program demonstration, this paper determines a new type of network-based temperature and humidity monitoring system, that is, the collected measurement results of one or more temperature and humidity sensors are dynamically released in the form of a web

Regulations for the management of micropower (short-range) radio equipment Chapter 1 General Article 1 To promote the healthy development of the radio communications industry, strengthen the management of micropower (short-range) radio equipment (hereinafter referred to as m

At present, communication systems such as wireless base stations place very high requirements on reception sensitivity and large signal performance. This article focuses on the mixer-related issues and introduces several key performances of the mixer and the basic parameters pr

Through comparison and program demonstration, this paper determines a new type of network-based temperature and humidity monitoring system, that is, the collected measurement results of one or more temperature and humidity sensors are dynamically released in the form of a web p

Gas chromatograph prone to malfunctions and maintenance Due to the complex structure, multiple condition settings, and long recovery preparation time, gas chromatographs often have various abnormalities during use. If you do not maintain for the cause, it will cause serious c

The display screen is divided into two kinds of synchronous and asynchronous from the communication control mode. The synchronous control mode is real-time communication between the host computer and the screen body. The asynchronous control mode is that the host computer and t

Introduction Some applications require a stable output voltage, which may be higher or lower than the input voltage range. This is common in battery-powered systems where the input voltage changes over time. Conventional methods include increasing the battery voltage and then

With the sales of lithium-ion electric vehicles in Beijing, Shanghai, Suzhou, Hangzhou and other large and medium-sized cities in China, more and more electric vehicle manufacturers have begun to launch lithium battery projects. However, what kind of lithium battery to choose

IBM Research Report in the Technology Zone: Will traditional enterprises break the balance after counterattack? Time is right for everyone, Zhaoyi is deeply innovating in the layout of the memory chip industry chain. EMC design component selection and circuit design are critic

Over the years, the meteorological short message service has become an important form of meteorological public service. Practicality, convenience, and authority are important factors for it to gain a foothold in the fiercely competitive information service industry. It has play

As the screens of LCD TVs become larger and brighter, they require more operating voltages and operating currents, and the need for more stable and reliable circuit protection technologies is more urgent. There are many types of circuit protection devices that can be used to h

In the transmission process of detection signals and control signals of today's wireless measurement and control workstations, one is traditional analog transmission, represented by FM-FM; the other is digital transmission, represented by PCM. The two methods have their own