A piece of news about NFC. [color=#585858][backcolor=rgb(246, 246, 246)][font=myface][size=18px]NFC (near field communication) has suffered setbacks repeatedly, but it has not dampened the confidence ...
[b]1. Preface[/b][p=20, null, left][color=rgb(50, 50, 50)][font=Arial, Helvetica, sans-serif][size=13px]In "The Overall Architecture of the Linux Kernel", Wowo mentioned that since Linux supports almo...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i]All sound systems that use microphones to pick up sound have the possibility of feedback howling. Microphone howling is very harm...
The CLUE development board has a high-resolution screen and a variety of sensors, making it very playable. The best way to program CLUE is to use CircuitPython, and you can also use Arduino. Graphical...
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
Any power transmission and distribution equipment and power-consuming devices cannot be pure resistive loads, so they must occupy a certain amount of reactive power. The existence of reactive curre...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]
Today's advanced electronic systems for the telecom and datacom markets rely heavily on high-performance, fine-line digital ICs (FPGAs, DSPs, and/or ASICs) to quickly and efficiently process time-s...[Details]
In the process of instrument application, there are many types of influencing factors of online gas analyzers and the changes are more complex. It is difficult to effectively control these influenc...[Details]