In the project, a Gigabit Ethernet signal from PHY needs to be connected between two PCB boards through a connector. I have never been involved in this issue before. I wonder if there is a suitable co...
HEF4051 is a substitute for which commonly used chip? There is too little application information for this chip. I want to see the application information of commonly used chips with the same function...
[i=s]This post was last edited by zbnzbnzbnz on 2015-5-23 00:50[/i] . . First of all, let me clarify that I know it is not good to cram without studying the basics, but it is really urgent to use it f...
Indirect replacementrefers to a method of making an IC that cannot be directly replaced by slightly modifying the peripheral circuit, changing the original pin arrangement or adding or removing indivi...
The general situation is this, I chose the SM5964 microcontroller but I don't know how to access the 1024 Bytes On-chip RAM it supports. The program I have now originally supports xdata (large mode co...
I wrote a driver based on the WinCE driver writing method. I can call the driver successfully through the program. Now I want to know how to read the information sent by the program (sent by writefile...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[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]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
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]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[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]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
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