The electrolytic capacitor still has 300V voltage when the circuit board is powered off. Use your bad test lead to connect a 30K resistor in series. When repairing the board, just discharge the large ...
2007 2nd Shenzhen International Piezoelectric Crystal and Application Technology Exhibition Time: June 13-15, 2007Venue: Shenzhen Convention and Exhibition Center Organizer: Hong Kong International Ex...
I re-read the backlight driver and found a few questions to ask you: [b]1. [/b]pBKLinfo->hCoreDll = LoadLibrary(TEXT("coredll.dll")); if (NULL != pBKLinfo->hCoreDll) { pBKLinfo->pfnGetSystemPowerStatu...
[color=#333333][backcolor=rgb(238, 238, 238)]EDIT control data cursor selects the number in reverse and changes the current number (ucgui interface [color=#555555][backcolor=rgb(255, 255, 255)][font=A...
[color=#333333] NFC is developed on the basis of RF technology. NFC is essentially not much different from RF technology. Both are based on signal transmission between two objects with close geographi...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
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 continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]