Everyone knows that accurate delay is very necessary in many cases, but for those who have been using C to write programs, it is difficult to know how long the delay they wrote is. For example, for th...
answer: The characteristics of the field effect tube bias circuit are: 1. Field effect transistors are voltage-controlled devices. Therefore, the amplifier circuit only requires the establishment of a...
[i=s]This post was last edited by symic on 2022-3-6 23:55[/i]Last week, I finished unpacking and analyzing the schematics. This week, I downloaded the development manual and other documents from the o...
5110 screen is very common. Generally, it is lit by analog SPI. I used SSI of LMS8962 to make 5110 display. I planned to finish it on Sunday, but I couldn't finish it after a whole day. It's more than...
Recently I have been working on LCD dot matrix screen (without font library) related products. When I was doing font modeling, I found that the Arabic numerals and English fonts in Song style were rea...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:18 [/i] Please give me some advice. When using DDS, I am using AD9851 and I have encountered this problem: I need to press the reset button ...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
We software engineers love to find the perfect solution to any problem we encounter. But oddly enough, we find that in this particular area, there is no perfect solution. Clever tricks may save som...[Details]
1. Introduction
The novel bidirectional high-frequency link inverter has the advantages of bidirectional power flow, high-frequency electrical isolation, simple topology, and two-stage po...[Details]
1 Working Principle
This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer and adopts the MCS-51 assembly language to design a microwave pu...[Details]
The Cirrus CS485xx DSP family provides high-performance post-processing and mixing of digital audio. Dual clock domains provided on the PCM input allow mixing of audio streams with different sampli...[Details]
51mcu
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