Founded in 1981, Guanxi Electronics is a professional manufacturer of relays and optocouplers. Its main business operations include the production and sales of the following four categories of products: reed relays, solid-state relays, optocouplers, and electric relays.
The code is as follows: #include
#include
#include
void main() { int i=50,j; char a[]="hello world."; while(i) { for(j=0;j
I remembered printing the Buddha
What's the use? There is no exit conditionen...
#include
typedef unsigned char u8; typedef unsigned int u16; void delay(u16 i) { while(i--); } u8 a[]={0x18,0x24,0x42,0x81,0x42,0x24,0x18}; What does this line mean? , mainly used to implement somethi...
I have been exposed to bandwidth for a long time, but it seems that I have never figured it out. Today, I checked Baidu Encyclopedia and found that it solved many of my doubts. Here are some excerpts:...
There are three groups of circuits as shown in the figure (the 6291 above has only one group). If the 1st PIN of CN1 is connected to DGND by mistake during the test, what may happen? There are also so...
When I used AD software to design a 6-layer board, I found a phenomenon. My fourth layer is the POWER layer, which divides the system power supply. When I need to drill vias for network connection, I ...
Since Huawei was first included in the Entity List in May 2019, the total number of Huawei subsidiaries included in the US "Entity List" has reached 152.
It's another restless night! Last night, the U...
A voltage transformer is a special transformer used to convert high voltage into low voltage. Under normal use conditions, the secondary voltage is substantially proportional to the primary voltage, ...[Details]
Nearly 30 million MP3 players have been produced, of which 50% are hard disk drive (HDD) MP3 players. The power supply for MP3 players usually comes from an AC adapter, a USB cable or a lithium-i...[Details]
1 Introduction
With the rapid development of power electronics technology, thyristor soft start devices have emerged. The start-stop technology of three-phase asynchronous motor...[Details]
Lithium-ion batteries are widely used in portable devices due to their high energy density in terms of both weight and capacity. Users of devices such as smart phones, PDAs, and MP3 players want to...[Details]
0 Introduction
With the development of LED technology, high-power LEDs have been widely used in lighting decoration and lighting, and power LED driver chips are becoming more and more importan...[Details]
1. Fault phenomenon:
A Maipu 1KVA online UPS power supply has normal bypass output after startup. Press the ON button to switch from bypass to inverter operation, but immediately jumps to byp...[Details]
There are some experiences I can share with you: (1) The output of the power supply circuit is connected to the board through a low-resistance, high-power resistor. In this way, the power supply ...[Details]
July 19, 2022 - Naxin Micro released two new single-channel isolated gate drivers, NSi66x1A and NSi6601M, both of which are suitable for driving power tubes such as SiC, IGBT and MOSFET. They have ...[Details]
At the heart of the Chevrolet Volt sedan lies a sophisticated power pack management system that ensures the safety and reliability of the multi-cell lithium-ion battery pack that powers the Volt's ...[Details]
In recent years, with
the rapid development of
LED
production technology,
the brightness
of LEDs
has been improved and their lifespan has been extended. In addition, the production c...[Details]
Most of the lighting lines in buildings nowadays are dark wires. If you use a 4-wire electronic switch to control these lights, you need to connect another power source and modify the line. This is...[Details]
Modern portable digital devices are inseparable from displays, and the white light LED (light emitting diode) used as the display backlight has performance several or even dozens of times better ...[Details]
Abstract: This paper introduces a design of a 5V/120A LED display power supply, briefly describes the application of lossless absorption technology and primary current synthesis technology in the circ...[Details]
The basic unit of luminous intensity - Candela
The basic unit of luminous intensity, Candela, is one of the basic units of the International System of Units. This article describe...[Details]
DCM discontinuous mode : a triangular wave in which the current starts to rise from zero. CCM continuous mode : a side trapezoidal wave in which the current rises from a non-zero value. DCM mode ...[Details]
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