In the production process, we always encounter the phenomenon that one, one string, or several strings of lamp beads cannot light up when testing after mounting on the board. Here is a summary of this...
[i=s] This post was last edited by qwqwqw2088 on 2014-5-12 11:02 [/i] [color=#000000] [size=2] [/size][size=3][font=宋体] [/font][font=Times New Roman] 1. Channel selection. The first step in choosing t...
void LED_Config(void){// The first step is to turn on the GPIO peripheral clock power. Only when it is turned on can the related GPIO registers be operated .Chip_GPIO_Init(LPC_GPIO); //Peripheral cloc...
Frequency converter: The output waveform is a simulated sine wave, which is mainly used for speed regulation of three-phase asynchronous motors, also called variable frequency speed regulator. Variabl...
[font=新宋体][size=4] I received the legendary [UFUN] today, a very mysterious board, the PCIE interface alone is different [/size][/font][font=新宋体][size=4]:pleased: Let me post the photo above!! I opene...
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]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[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]
LED (Light-emitting diode) is widely used in indication, display and other fields due to its advantages such as long life and low energy consumption. Reliability, stability and high light output ar...[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]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
introduction
In industrial production and equipment maintenance, people often test coil winding turn-to-turn short circuit faults. For example, turn-to-turn short circuits in power transformer...[Details]
At present, the DES algorithm is increasingly used in confidential communications in the financial and non-financial sectors. DES (Data Encryption Standard) is a data encryption algorithm that was suc...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
Beijing time, July 2 morning news, Google last week released its own brand tablet computer Nexus 7, equipped with its latest operating system Android 4.1 "Jelly Bean". But market research firm Ovum sa...[Details]
1. Introduction
With the development of electromechanical technology, electronic technology has also penetrated into the automobile braking system, and a new technology called "electronic brak...[Details]
LED definition
In the PN junction of some semiconductor materials, when the injected minority carriers recombine with the majority carriers, they release the excess energy in the fo...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
