Hello, moderator. Now I have a 3-in-1 board. The basic buttons and LEDs have been tested. Now I need to use this chip myself, but I encountered a problem when drawing the schematic diagram. It is port...
[b]Main topic: [/b] [list][*][b]Automotive electronic test system [/b][*][b]Testing of electric vehicle fuel cells [/b][*][b]Battery voltage fluctuation when ABS is working [/b][/list][b]Solution: [/b...
Hall sensor 49E is divided into SS49E OH49E AH49E. What is the difference? According to the function description, it is generally used in the acceleration handle of electric vehicles, which only requi...
The postponement of the start of school and the start of online classes are a nightmare for those students who have bad habits and poor self-control. After all, it is inevitable that they have not yet...
[i=s]This post was last edited by DDZZ669 on 2018-9-22 20:23[/i] The previous post [url=https://bbs.eeworld.com.cn/thread-926678-1-1.html]【Raspberry Pi 3B+ Review】Light up LED[/url] introduced how to ...
The underlying logic of software engineering design is 0 and 1, which includes three actions: calculation, judgment, and execution. The whole process is called an algorithm....
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[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
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
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