Recently, I have been learning the knowledge related to system transplantation. During the learning and debugging process, I found many problems and solved many problems. However, I always feel confus...
This is the power supply part of an old CRT color TV. I don't understand what the R837 and C844 near the optocoupler do. Can someone please explain it to me?...
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The expanded family of compact Type-C connectors s...
1. RF chip marketAccording to Yole Development, the value of RF front-end chips in 2G smartphones is $0.9, which has risen sharply to $3.4 in 3G smartphones. The value of RF front-end chips in smartph...
[i=s] This post was last edited by ove learning makes me happy on 2019-12-6 17:11 [/i]1 WinSCP OverviewAlthough we have a virtual machine and can install an Ubuntu operating system under the Windows o...
Now switch to 3D view to see the following effect, it seems that there is no green oil and you can see the copper skin directly. Clicking "Clear" in the lower right corner does not work....
The typical circuit of the power supply based on UC3842 is shown in Figure 1. Overload and short-circuit protection is generally achieved by connecting a resistor (R4) in series with the source of th...[Details]
I. Introduction SD card has two optional communication protocols: SD mode and SPI mode. SD mode is the standard reading and writing mode of SD card, but when choosing SD mode, you often need ...[Details]
sbit DQ=P3^7; //DS18B20 data transmission line connects to the corresponding pin of the microcontroller void delaymm(uint z) { uint x,y; for(x=z;x 0;x--) for(y=110;y 0;y--); } //R...[Details]
Not long ago, Energy Star released the 2.0 version of the external power supply energy efficiency specification. The new specification significantly increases the operating frequency requirements, ...[Details]
LCD1602 is the most basic character LCD display, which can display 16x02=32 characters. So the operation of timing - reading and writing is the most important content. Today, I will take you to read ...[Details]
Compared with traditional single-chip microcomputers, AVR has greatly improved and enhanced its structural system, functional components, performance and reliability in addition to being able to re...[Details]
1 Introduction The on-chip FLASH of MSP430F5438 can be used as EEPROM. This part of FLASH is called INFO FLASH, and there are 4 blocks of 128 bytes each. Although the capacity of INFO FLASH is relati...[Details]
A spectrum analyzer is a special instrument used to analyze the frequency components often contained in signals. With the rapid development of wireless communication and automation technology, the te...[Details]
stm32 is an arm cortex-m3 architecture chip. It can be used with library functions to realize various functions more conveniently, especially when combined with various bus development applications. ...[Details]
1 Introduction
In modern armored communication and command equipment, powerful, precise and reliable equipment is composed of more and more electronic extensions and components connected by dense ...[Details]
In terms of data storage type, the 8051 series has on-chip and off-chip program memory, on-chip and off-chip data memory. The on-chip program memory is also divided into direct addressing area and ind...[Details]
Qualcomm's next-generation flagship Snapdragon 875 chipset is codenamed "Lahaina," and now a new leak suggests it may be much more powerful than expected. According to an early benchmark test release...[Details]
With the development of technology, high-power and high-current DC power supplies are required in many occasions. The DC fast-controlled power supply used in the magnetic confinement nuclear fusion d...[Details]
Currently, radio and television are in the transition and development stage from analog technology to digital technology, from one-way broadcast to two-way interactive transmission, and from basic s...[Details]
Microcontroller MCU
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